/* THIS FILE IS AUTOGENERATED FROM XMLHttpRequest.webidl BY Codegen.py - DO NOT EDIT */

#include "AtomList.h"
#include "ChromeUtilsBinding.h"
#include "EventHandlerBinding.h"
#include "WrapperFactory.h"
#include "XMLHttpRequestBinding.h"
#include "XMLHttpRequestEventTargetBinding.h"
#include "XrayWrapper.h"
#include "jsapi.h"
#include "jsfriendapi.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/FormData.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/SimpleGlobalObject.h"
#include "mozilla/dom/TypedArray.h"
#include "mozilla/dom/URLSearchParams.h"
#include "mozilla/dom/XMLHttpRequest.h"
#include "mozilla/dom/XMLHttpRequestUpload.h"
#include "mozilla/dom/XrayExpandoClass.h"
#include "nsContentUtils.h"
#include "nsIChannel.h"
#include "nsIDocument.h"
#include "nsIInputStream.h"
#include "nsISupports.h"
#include "nsThreadUtils.h"
#include "xpcjsid.h"

namespace mozilla {
namespace dom {

namespace XMLHttpRequestResponseTypeValues {
extern const EnumEntry strings[10] = {
  {"", 0},
  {"arraybuffer", 11},
  {"blob", 4},
  {"document", 8},
  {"json", 4},
  {"text", 4},
  {"moz-chunked-text", 16},
  {"moz-chunked-arraybuffer", 23},
  {"moz-blob", 8},
  { nullptr, 0 }
};
} // namespace XMLHttpRequestResponseTypeValues

bool
ToJSValue(JSContext* aCx, XMLHttpRequestResponseType aArgument, JS::MutableHandle<JS::Value> aValue)
{
  MOZ_ASSERT(uint32_t(aArgument) < ArrayLength(XMLHttpRequestResponseTypeValues::strings));
  JSString* resultStr =
    JS_NewStringCopyN(aCx, XMLHttpRequestResponseTypeValues::strings[uint32_t(aArgument)].value,
                      XMLHttpRequestResponseTypeValues::strings[uint32_t(aArgument)].length);
  if (!resultStr) {
    return false;
  }
  aValue.setString(resultStr);
  return true;
}



MozXMLHttpRequestParameters::MozXMLHttpRequestParameters()
{
  // Safe to pass a null context if we pass a null value
  Init(nullptr, JS::NullHandleValue);
}



bool
MozXMLHttpRequestParameters::InitIds(JSContext* cx, MozXMLHttpRequestParametersAtoms* atomsCache)
{
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one
  // uninitialized.
  if (!atomsCache->mozSystem_id.init(cx, "mozSystem") ||
      !atomsCache->mozAnon_id.init(cx, "mozAnon")) {
    return false;
  }
  return true;
}

bool
MozXMLHttpRequestParameters::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
  // Passing a null JSContext is OK only if we're initing from null,
  // Since in that case we will not have to do any property gets
  MOZ_ASSERT_IF(!cx, val.isNull());
  MozXMLHttpRequestParametersAtoms* atomsCache = nullptr;
  if (cx) {
    atomsCache = GetAtomCache<MozXMLHttpRequestParametersAtoms>(cx);
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      return false;
    }
  }

  { // scope for isConvertible
    bool isConvertible;
    if (!IsConvertibleToDictionary(cx, val, &isConvertible)) {
      return false;
    }
    if (!isConvertible) {
      return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription);
    }
  }

  bool isNull = val.isNullOrUndefined();
  // We only need these if !isNull, in which case we have |cx|.
  Maybe<JS::Rooted<JSObject *> > object;
  Maybe<JS::Rooted<JS::Value> > temp;
  if (!isNull) {
    MOZ_ASSERT(cx);
    object.emplace(cx, &val.toObject());
    temp.emplace(cx);
  }
  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->mozAnon_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mMozAnon)) {
      return false;
    }
  } else {
    mMozAnon = false;
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->mozSystem_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mMozSystem)) {
      return false;
    }
  } else {
    mMozSystem = false;
  }
  mIsAnyMemberPresent = true;
  return true;
}

bool
MozXMLHttpRequestParameters::Init(const nsAString& aJSON)
{
  AutoJSAPI jsapi;
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
  if (!cleanGlobal) {
    return false;
  }
  if (!jsapi.Init(cleanGlobal)) {
    return false;
  }
  JSContext* cx = jsapi.cx();
  JS::Rooted<JS::Value> json(cx);
  bool ok = ParseJSON(cx, aJSON, &json);
  NS_ENSURE_TRUE(ok, false);
  return Init(cx, json);
}

bool
MozXMLHttpRequestParameters::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
{
  MozXMLHttpRequestParametersAtoms* atomsCache = GetAtomCache<MozXMLHttpRequestParametersAtoms>(cx);
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
    return false;
  }

  JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
  if (!obj) {
    return false;
  }
  rval.set(JS::ObjectValue(*obj));

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    bool const & currentValue = mMozAnon;
    temp.setBoolean(currentValue);
    if (!JS_DefinePropertyById(cx, obj, atomsCache->mozAnon_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(0);

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    bool const & currentValue = mMozSystem;
    temp.setBoolean(currentValue);
    if (!JS_DefinePropertyById(cx, obj, atomsCache->mozSystem_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(0);

  return true;
}

bool
MozXMLHttpRequestParameters::ToJSON(nsAString& aJSON) const
{
  AutoJSAPI jsapi;
  jsapi.Init();
  JSContext *cx = jsapi.cx();
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
  // because we'll only be creating objects, in ways that have no
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
  // which likewise guarantees no side-effects for the sorts of
  // things we will pass it.
  JSAutoCompartment ac(cx, binding_detail::UnprivilegedJunkScopeOrWorkerGlobal());
  JS::Rooted<JS::Value> val(cx);
  if (!ToObjectInternal(cx, &val)) {
    return false;
  }
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
  return StringifyToJSON(cx, obj, aJSON);
}

void
MozXMLHttpRequestParameters::TraceDictionary(JSTracer* trc)
{
}

void
MozXMLHttpRequestParameters::operator=(const MozXMLHttpRequestParameters& aOther)
{
  mMozAnon = aOther.mMozAnon;
  mMozSystem = aOther.mMozSystem;
}

namespace binding_detail {
} // namespace binding_detail


namespace XMLHttpRequestBinding {

static_assert(IsRefcounted<NativeType>::value == IsRefcounted<XMLHttpRequestEventTargetBinding::NativeType>::value,
              "Can't inherit from an interface with a different ownership model.");

static bool
get_onreadystatechange(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitGetterCallArgs args)
{
  RefPtr<EventHandlerNonNull> result(self->GetOnreadystatechange());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (result) {
    args.rval().setObject(*GetCallbackFromCallbackObject(result));
    if (!MaybeWrapObjectOrNullValue(cx, args.rval())) {
      return false;
    }
    return true;
  } else {
    args.rval().setNull();
    return true;
  }
}

static bool
set_onreadystatechange(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitSetterCallArgs args)
{
  RootedCallback<RefPtr<binding_detail::FastEventHandlerNonNull>> arg0(cx);
  if (args[0].isObject()) {
      { // Scope for tempRoot
        JS::Rooted<JSObject*> tempRoot(cx, &args[0].toObject());
        arg0 = new binding_detail::FastEventHandlerNonNull(cx, tempRoot, mozilla::dom::GetIncumbentGlobal());
      }
  } else {
    arg0 = nullptr;
  }
  self->SetOnreadystatechange(Constify(arg0));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo onreadystatechange_getterinfo = {
  { (JSJitGetterOp)get_onreadystatechange },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");
static const JSJitInfo onreadystatechange_setterinfo = {
  { (JSJitGetterOp)set_onreadystatechange },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Setter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
get_readyState(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitGetterCallArgs args)
{
  uint16_t result(self->ReadyState());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setInt32(int32_t(result));
  return true;
}

static const JSJitInfo readyState_getterinfo = {
  { (JSJitGetterOp)get_readyState },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_INT32,  /* returnType.  Not relevant for setters. */
  true,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
open(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, const JSJitMethodCallArgs& args)
{
  unsigned argcount = std::min(args.length(), 5u);
  switch (argcount) {
    case 2: {
      nsCString arg0;
      if (!ConvertJSValueToByteString(cx, args[0], false, arg0)) {
        return false;
      }
      binding_detail::FakeString arg1;
      if (!ConvertJSValueToString(cx, args[1], eStringify, eStringify, arg1)) {
        return false;
      }
      binding_detail::FastErrorResult rv;
      self->Open(Constify(arg0), NonNullHelper(Constify(arg1)), rv);
      if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
        return false;
      }
      MOZ_ASSERT(!JS_IsExceptionPending(cx));
      args.rval().setUndefined();
      return true;
      break;
    }
    case 3: {
      MOZ_FALLTHROUGH;
    }
    case 4: {
      MOZ_FALLTHROUGH;
    }
    case 5: {
      nsCString arg0;
      if (!ConvertJSValueToByteString(cx, args[0], false, arg0)) {
        return false;
      }
      binding_detail::FakeString arg1;
      if (!ConvertJSValueToString(cx, args[1], eStringify, eStringify, arg1)) {
        return false;
      }
      bool arg2;
      if (!ValueToPrimitive<bool, eDefault>(cx, args[2], &arg2)) {
        return false;
      }
      binding_detail::FakeString arg3;
      if (args.hasDefined(3)) {
        if (!ConvertJSValueToString(cx, args[3], eNull, eNull, arg3)) {
          return false;
        }
      } else {
        arg3.SetIsVoid(true);
      }
      binding_detail::FakeString arg4;
      if (args.hasDefined(4)) {
        if (!ConvertJSValueToString(cx, args[4], eNull, eNull, arg4)) {
          return false;
        }
      } else {
        arg4.SetIsVoid(true);
      }
      binding_detail::FastErrorResult rv;
      self->Open(Constify(arg0), NonNullHelper(Constify(arg1)), arg2, NonNullHelper(Constify(arg3)), NonNullHelper(Constify(arg4)), rv);
      if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
        return false;
      }
      MOZ_ASSERT(!JS_IsExceptionPending(cx));
      args.rval().setUndefined();
      return true;
      break;
    }
    default: {
      return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "XMLHttpRequest.open");
      break;
    }
  }
  MOZ_CRASH("We have an always-returning default case");
  return false;
}

static const JSJitInfo open_methodinfo = {
  { (JSJitGetterOp)open },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
setRequestHeader(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, const JSJitMethodCallArgs& args)
{
  if (MOZ_UNLIKELY(args.length() < 2)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "XMLHttpRequest.setRequestHeader");
  }
  nsCString arg0;
  if (!ConvertJSValueToByteString(cx, args[0], false, arg0)) {
    return false;
  }
  nsCString arg1;
  if (!ConvertJSValueToByteString(cx, args[1], false, arg1)) {
    return false;
  }
  binding_detail::FastErrorResult rv;
  self->SetRequestHeader(Constify(arg0), Constify(arg1), rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo setRequestHeader_methodinfo = {
  { (JSJitGetterOp)setRequestHeader },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
get_timeout(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitGetterCallArgs args)
{
  uint32_t result(self->Timeout());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setNumber(result);
  return true;
}

static bool
set_timeout(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitSetterCallArgs args)
{
  uint32_t arg0;
  if (!ValueToPrimitive<uint32_t, eDefault>(cx, args[0], &arg0)) {
    return false;
  }
  binding_detail::FastErrorResult rv;
  self->SetTimeout(arg0, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo timeout_getterinfo = {
  { (JSJitGetterOp)get_timeout },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_DOUBLE,  /* returnType.  Not relevant for setters. */
  true,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");
static const JSJitInfo timeout_setterinfo = {
  { (JSJitGetterOp)set_timeout },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Setter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
get_withCredentials(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitGetterCallArgs args)
{
  bool result(self->WithCredentials());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setBoolean(result);
  return true;
}

static bool
set_withCredentials(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitSetterCallArgs args)
{
  bool arg0;
  if (!ValueToPrimitive<bool, eDefault>(cx, args[0], &arg0)) {
    return false;
  }
  binding_detail::FastErrorResult rv;
  self->SetWithCredentials(arg0, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo withCredentials_getterinfo = {
  { (JSJitGetterOp)get_withCredentials },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
  true,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");
static const JSJitInfo withCredentials_setterinfo = {
  { (JSJitGetterOp)set_withCredentials },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Setter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
get_upload(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitGetterCallArgs args)
{
  binding_detail::FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::XMLHttpRequestUpload>(self->GetUpload(rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(true || JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo upload_getterinfo = {
  { (JSJitGetterOp)get_upload },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
send(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, const JSJitMethodCallArgs& args)
{
  unsigned argcount = std::min(args.length(), 1u);
  switch (argcount) {
    case 0: {
      binding_detail::FastErrorResult rv;
      self->Send(cx, rv);
      if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
        return false;
      }
      MOZ_ASSERT(!JS_IsExceptionPending(cx));
      args.rval().setUndefined();
      return true;
      break;
    }
    case 1: {
      if (args[0].isObject()) {
        do {
          RootedTypedArray<ArrayBuffer> arg0(cx);
          if (!arg0.Init(&args[0].toObject())) {
            break;
          }
          binding_detail::FastErrorResult rv;
          self->Send(cx, Constify(arg0), rv);
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
            return false;
          }
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
          args.rval().setUndefined();
          return true;
        } while (0);
        do {
          RootedTypedArray<ArrayBufferView> arg0(cx);
          if (!arg0.Init(&args[0].toObject())) {
            break;
          }
          binding_detail::FastErrorResult rv;
          self->Send(cx, Constify(arg0), rv);
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
            return false;
          }
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
          args.rval().setUndefined();
          return true;
        } while (0);
        do {
          NonNull<mozilla::dom::Blob> arg0;
          {
            nsresult rv = UnwrapObject<prototypes::id::Blob, mozilla::dom::Blob>(args[0], arg0);
            if (NS_FAILED(rv)) {
              break;
            }
          }
          binding_detail::FastErrorResult rv;
          self->Send(cx, NonNullHelper(arg0), rv);
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
            return false;
          }
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
          args.rval().setUndefined();
          return true;
        } while (0);
        do {
          NonNull<nsIDocument> arg0;
          {
            nsresult rv = UnwrapObject<prototypes::id::Document, nsIDocument>(args[0], arg0);
            if (NS_FAILED(rv)) {
              break;
            }
          }
          binding_detail::FastErrorResult rv;
          self->Send(cx, NonNullHelper(arg0), rv);
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
            return false;
          }
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
          args.rval().setUndefined();
          return true;
        } while (0);
        do {
          NonNull<mozilla::dom::FormData> arg0;
          {
            nsresult rv = UnwrapObject<prototypes::id::FormData, mozilla::dom::FormData>(args[0], arg0);
            if (NS_FAILED(rv)) {
              break;
            }
          }
          binding_detail::FastErrorResult rv;
          self->Send(cx, NonNullHelper(arg0), rv);
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
            return false;
          }
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
          args.rval().setUndefined();
          return true;
        } while (0);
        do {
          nsIInputStream* arg0;
          RefPtr<nsIInputStream> arg0_holder;
          JS::Rooted<JSObject*> source(cx, &args[0].toObject());
          if (NS_FAILED(UnwrapArg<nsIInputStream>(source, getter_AddRefs(arg0_holder)))) {
            break;
          }
          MOZ_ASSERT(arg0_holder);
          arg0 = arg0_holder;
          binding_detail::FastErrorResult rv;
          self->Send(cx, NonNullHelper(arg0), rv);
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
            return false;
          }
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
          args.rval().setUndefined();
          return true;
        } while (0);
        do {
          NonNull<mozilla::dom::URLSearchParams> arg0;
          {
            nsresult rv = UnwrapObject<prototypes::id::URLSearchParams, mozilla::dom::URLSearchParams>(args[0], arg0);
            if (NS_FAILED(rv)) {
              break;
            }
          }
          binding_detail::FastErrorResult rv;
          self->Send(cx, NonNullHelper(arg0), rv);
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
            return false;
          }
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
          args.rval().setUndefined();
          return true;
        } while (0);
      }
      binding_detail::FakeString arg0;
      if (!ConvertJSValueToString(cx, args[0], eNull, eNull, arg0)) {
        return false;
      }
      binding_detail::FastErrorResult rv;
      self->Send(cx, NonNullHelper(Constify(arg0)), rv);
      if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
        return false;
      }
      MOZ_ASSERT(!JS_IsExceptionPending(cx));
      args.rval().setUndefined();
      return true;
      break;
    }
    default: {
      return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "XMLHttpRequest.send");
      break;
    }
  }
  MOZ_CRASH("We have an always-returning default case");
  return false;
}

static const JSJitInfo send_methodinfo = {
  { (JSJitGetterOp)send },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
abort(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, const JSJitMethodCallArgs& args)
{
  binding_detail::FastErrorResult rv;
  self->Abort(rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo abort_methodinfo = {
  { (JSJitGetterOp)abort },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
get_responseURL(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitGetterCallArgs args)
{
  DOMString result;
  self->GetResponseURL(result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo responseURL_getterinfo = {
  { (JSJitGetterOp)get_responseURL },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
get_status(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitGetterCallArgs args)
{
  binding_detail::FastErrorResult rv;
  uint16_t result(self->GetStatus(rv));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setInt32(int32_t(result));
  return true;
}

static const JSJitInfo status_getterinfo = {
  { (JSJitGetterOp)get_status },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_INT32,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
get_statusText(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitGetterCallArgs args)
{
  binding_detail::FastErrorResult rv;
  nsCString result;
  self->GetStatusText(result, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!NonVoidByteStringToJsval(cx, result, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo statusText_getterinfo = {
  { (JSJitGetterOp)get_statusText },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
getResponseHeader(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, const JSJitMethodCallArgs& args)
{
  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "XMLHttpRequest.getResponseHeader");
  }
  nsCString arg0;
  if (!ConvertJSValueToByteString(cx, args[0], false, arg0)) {
    return false;
  }
  binding_detail::FastErrorResult rv;
  nsCString result;
  self->GetResponseHeader(Constify(arg0), result, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!ByteStringToJsval(cx, result, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo getResponseHeader_methodinfo = {
  { (JSJitGetterOp)getResponseHeader },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
getAllResponseHeaders(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, const JSJitMethodCallArgs& args)
{
  binding_detail::FastErrorResult rv;
  nsCString result;
  self->GetAllResponseHeaders(result, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!NonVoidByteStringToJsval(cx, result, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo getAllResponseHeaders_methodinfo = {
  { (JSJitGetterOp)getAllResponseHeaders },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
overrideMimeType(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, const JSJitMethodCallArgs& args)
{
  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "XMLHttpRequest.overrideMimeType");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  binding_detail::FastErrorResult rv;
  self->OverrideMimeType(NonNullHelper(Constify(arg0)), rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo overrideMimeType_methodinfo = {
  { (JSJitGetterOp)overrideMimeType },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
get_responseType(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitGetterCallArgs args)
{
  XMLHttpRequestResponseType result(self->ResponseType());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!ToJSValue(cx, result, args.rval())) {
    return false;
  }
  return true;
}

static bool
set_responseType(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitSetterCallArgs args)
{
  XMLHttpRequestResponseType arg0;
  {
    int index;
    if (!FindEnumStringIndex<false>(cx, args[0], XMLHttpRequestResponseTypeValues::strings, "XMLHttpRequestResponseType", "Value being assigned to XMLHttpRequest.responseType", &index)) {
      return false;
    }
    if (index < 0) {
      return true;
    }
    arg0 = static_cast<XMLHttpRequestResponseType>(index);
  }
  binding_detail::FastErrorResult rv;
  self->SetResponseType(arg0, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo responseType_getterinfo = {
  { (JSJitGetterOp)get_responseType },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");
static const JSJitInfo responseType_setterinfo = {
  { (JSJitGetterOp)set_responseType },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Setter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
get_response(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitGetterCallArgs args)
{
  binding_detail::FastErrorResult rv;
  JS::Rooted<JS::Value> result(cx);
  self->GetResponse(cx, &result, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  JS::ExposeValueToActiveJS(result);
  args.rval().set(result);
  if (!MaybeWrapValue(cx, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo response_getterinfo = {
  { (JSJitGetterOp)get_response },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
get_responseText(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitGetterCallArgs args)
{
  // Have to either root across the getter call or reget after.
  bool isXray;
  JS::Rooted<JSObject*> slotStorage(cx, GetCachedSlotStorageObject(cx, obj, &isXray));
  if (!slotStorage) {
    return false;
  }
  const size_t slotIndex = isXray ? (xpc::JSSLOT_EXPANDO_COUNT + 0) : (DOM_INSTANCE_RESERVED_SLOTS + 0);
  MOZ_ASSERT(JSCLASS_RESERVED_SLOTS(js::GetObjectClass(slotStorage)) > slotIndex);
  {
    // Scope for cachedVal
    JS::Value cachedVal = js::GetReservedSlot(slotStorage, slotIndex);
    if (!cachedVal.isUndefined()) {
      args.rval().set(cachedVal);
      // The cached value is in the compartment of slotStorage,
      // so wrap into the caller compartment as needed.
      return MaybeWrapValue(cx, args.rval());
    }
  }

  binding_detail::FastErrorResult rv;
  DOMString result;
  self->GetResponseText(result, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  {
    JS::Rooted<JSObject*> conversionScope(cx, isXray ? obj : slotStorage);
    JSAutoCompartment ac(cx, conversionScope);
    do { // block we break out of when done wrapping
      if (!xpc::StringToJsval(cx, result, args.rval())) {
        return false;
      }
      break;
    } while (0);
  }
  { // And now store things in the compartment of our slotStorage.
    JSAutoCompartment ac(cx, slotStorage);
    // Make a copy so that we don't do unnecessary wrapping on args.rval().
    JS::Rooted<JS::Value> storedVal(cx, args.rval());
    if (!MaybeWrapValue(cx, &storedVal)) {
      return false;
    }
    js::SetReservedSlot(slotStorage, slotIndex, storedVal);
    if (!isXray) {
      // In the Xray case we don't need to do this, because getting the
      // expando object already preserved our wrapper.
      PreserveWrapper(self);
    }
  }
  // And now make sure args.rval() is in the caller compartment
  return MaybeWrapValue(cx, args.rval());
}

static const JSJitInfo responseText_getterinfo = {
  { (JSJitGetterOp)get_responseText },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  true, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  (DOM_INSTANCE_RESERVED_SLOTS + 0)   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert((DOM_INSTANCE_RESERVED_SLOTS + 0) <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert((DOM_INSTANCE_RESERVED_SLOTS + 0) < 2, "There is no slot for us");

static bool
get_responseXML(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitGetterCallArgs args)
{
  binding_detail::FastErrorResult rv;
  auto result(StrongOrRawPtr<nsIDocument>(self->GetResponseXML(rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!result) {
    args.rval().setNull();
    return true;
  }
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(true || JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo responseXML_getterinfo = {
  { (JSJitGetterOp)get_responseXML },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
get_mozBackgroundRequest(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitGetterCallArgs args)
{
  bool result(self->MozBackgroundRequest());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setBoolean(result);
  return true;
}

static bool
set_mozBackgroundRequest(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitSetterCallArgs args)
{
  bool arg0;
  if (!ValueToPrimitive<bool, eDefault>(cx, args[0], &arg0)) {
    return false;
  }
  binding_detail::FastErrorResult rv;
  self->SetMozBackgroundRequest(arg0, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo mozBackgroundRequest_getterinfo = {
  { (JSJitGetterOp)get_mozBackgroundRequest },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
  true,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");
static const JSJitInfo mozBackgroundRequest_setterinfo = {
  { (JSJitGetterOp)set_mozBackgroundRequest },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Setter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
get_channel(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitGetterCallArgs args)
{
  auto result(StrongOrRawPtr<nsIChannel>(self->GetChannel()));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!result) {
    args.rval().setNull();
    return true;
  }
  if (!WrapObject(cx, result, &NS_GET_IID(nsIChannel), args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo channel_getterinfo = {
  { (JSJitGetterOp)get_channel },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
get_networkInterfaceId(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitGetterCallArgs args)
{
  nsCString result;
  self->GetNetworkInterfaceId(result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!ByteStringToJsval(cx, result, args.rval())) {
    return false;
  }
  return true;
}

static bool
set_networkInterfaceId(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitSetterCallArgs args)
{
  nsCString arg0;
  if (!ConvertJSValueToByteString(cx, args[0], true, arg0)) {
    return false;
  }
  self->SetNetworkInterfaceId(Constify(arg0));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo networkInterfaceId_getterinfo = {
  { (JSJitGetterOp)get_networkInterfaceId },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");
static const JSJitInfo networkInterfaceId_setterinfo = {
  { (JSJitGetterOp)set_networkInterfaceId },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Setter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
getInterface(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, const JSJitMethodCallArgs& args)
{
  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "XMLHttpRequest.getInterface");
  }
  nsIJSID* arg0;
  RefPtr<nsIJSID> arg0_holder;
  if (args[0].isObject()) {
    JS::Rooted<JSObject*> source(cx, &args[0].toObject());
    if (NS_FAILED(UnwrapArg<nsIJSID>(source, getter_AddRefs(arg0_holder)))) {
      ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of XMLHttpRequest.getInterface", "IID");
      return false;
    }
    MOZ_ASSERT(arg0_holder);
    arg0 = arg0_holder;
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of XMLHttpRequest.getInterface");
    return false;
  }
  binding_detail::FastErrorResult rv;
  JS::Rooted<JS::Value> result(cx);
  self->GetInterface(cx, NonNullHelper(arg0), &result, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  JS::ExposeValueToActiveJS(result);
  args.rval().set(result);
  if (!MaybeWrapValue(cx, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo getInterface_methodinfo = {
  { (JSJitGetterOp)getInterface },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
setOriginAttributes(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, const JSJitMethodCallArgs& args)
{
  binding_detail::FastOriginAttributesDictionary arg0;
  if (!arg0.Init(cx, (args.hasDefined(0)) ? args[0] : JS::NullHandleValue,  "Argument 1 of XMLHttpRequest.setOriginAttributes", false)) {
    return false;
  }
  self->SetOriginAttributes(Constify(arg0));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo setOriginAttributes_methodinfo = {
  { (JSJitGetterOp)setOriginAttributes },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
get_mozAnon(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitGetterCallArgs args)
{
  bool result(self->MozAnon());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setBoolean(result);
  return true;
}

static const JSJitInfo mozAnon_getterinfo = {
  { (JSJitGetterOp)get_mozAnon },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
  true,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
get_mozSystem(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::XMLHttpRequest* self, JSJitGetterCallArgs args)
{
  bool result(self->MozSystem());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setBoolean(result);
  return true;
}

static const JSJitInfo mozSystem_getterinfo = {
  { (JSJitGetterOp)get_mozSystem },
  { prototypes::id::XMLHttpRequest },
  { PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
  true,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
{
  mozilla::dom::XMLHttpRequest* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::XMLHttpRequest>(obj);
  // We don't want to preserve if we don't have a wrapper, and we
  // obviously can't preserve if we're not initialized.
  if (self && self->GetWrapperPreserveColor()) {
    PreserveWrapper(self);
  }
  return true;
}

static void
_finalize(js::FreeOp* fop, JSObject* obj)
{
  mozilla::dom::XMLHttpRequest* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::XMLHttpRequest>(obj);
  if (self) {
    ClearWrapper(self, self);
    AddForDeferredFinalization<mozilla::dom::XMLHttpRequest>(self);
  }
}

static void
_objectMoved(JSObject* obj, const JSObject* old)
{
  mozilla::dom::XMLHttpRequest* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::XMLHttpRequest>(obj);
  if (self) {
    UpdateWrapper(self, self, obj, old);
  }
}

static const JSFunctionSpec sMethods_specs[] = {
  JS_FNSPEC("open", GenericBindingMethod, reinterpret_cast<const JSJitInfo*>(&open_methodinfo), 2, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("setRequestHeader", GenericBindingMethod, reinterpret_cast<const JSJitInfo*>(&setRequestHeader_methodinfo), 2, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("send", GenericBindingMethod, reinterpret_cast<const JSJitInfo*>(&send_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("abort", GenericBindingMethod, reinterpret_cast<const JSJitInfo*>(&abort_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("getResponseHeader", GenericBindingMethod, reinterpret_cast<const JSJitInfo*>(&getResponseHeader_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("getAllResponseHeaders", GenericBindingMethod, reinterpret_cast<const JSJitInfo*>(&getAllResponseHeaders_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("overrideMimeType", GenericBindingMethod, reinterpret_cast<const JSJitInfo*>(&overrideMimeType_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FS_END,
  JS_FNSPEC("QueryInterface", QueryInterface, nullptr, 1, 0, nullptr),
  JS_FS_END
};

static PrefableDisablers sMethods_disablers8 = {
  true, false, 0, &WantsQueryInterface<mozilla::dom::XMLHttpRequest>::Enabled
};

// Can't be const because the pref-enabled boolean needs to be writable
static Prefable<const JSFunctionSpec> sMethods[] = {
  { nullptr, &sMethods_specs[0] },
  { &sMethods_disablers8, &sMethods_specs[8] },
  { nullptr, nullptr }
};

static jsid sMethods_ids[10];

static const JSFunctionSpec sChromeMethods_specs[] = {
  JS_FNSPEC("getInterface", GenericBindingMethod, reinterpret_cast<const JSJitInfo*>(&getInterface_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("setOriginAttributes", GenericBindingMethod, reinterpret_cast<const JSJitInfo*>(&setOriginAttributes_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};

static PrefableDisablers sChromeMethods_disablers0 = {
  true, false, GlobalNames::DedicatedWorkerGlobalScope | GlobalNames::SharedWorkerGlobalScope, nullptr
};

// Can't be const because the pref-enabled boolean needs to be writable
static Prefable<const JSFunctionSpec> sChromeMethods[] = {
  { &sChromeMethods_disablers0, &sChromeMethods_specs[0] },
  { nullptr, nullptr }
};

static jsid sChromeMethods_ids[3];

static const JSPropertySpec sAttributes_specs[] = {
  { "onreadystatechange", JSPROP_SHARED | JSPROP_ENUMERATE, { { { { GenericBindingGetter, &onreadystatechange_getterinfo } }, { { GenericBindingSetter, &onreadystatechange_setterinfo } } } } },
  { "readyState", JSPROP_SHARED | JSPROP_ENUMERATE, { { { { GenericBindingGetter, &readyState_getterinfo } }, JSNATIVE_WRAPPER(nullptr) } } },
  { "timeout", JSPROP_SHARED | JSPROP_ENUMERATE, { { { { GenericBindingGetter, &timeout_getterinfo } }, { { GenericBindingSetter, &timeout_setterinfo } } } } },
  { "withCredentials", JSPROP_SHARED | JSPROP_ENUMERATE, { { { { GenericBindingGetter, &withCredentials_getterinfo } }, { { GenericBindingSetter, &withCredentials_setterinfo } } } } },
  { "upload", JSPROP_SHARED | JSPROP_ENUMERATE, { { { { GenericBindingGetter, &upload_getterinfo } }, JSNATIVE_WRAPPER(nullptr) } } },
  { "responseURL", JSPROP_SHARED | JSPROP_ENUMERATE, { { { { GenericBindingGetter, &responseURL_getterinfo } }, JSNATIVE_WRAPPER(nullptr) } } },
  { "status", JSPROP_SHARED | JSPROP_ENUMERATE, { { { { GenericBindingGetter, &status_getterinfo } }, JSNATIVE_WRAPPER(nullptr) } } },
  { "statusText", JSPROP_SHARED | JSPROP_ENUMERATE, { { { { GenericBindingGetter, &statusText_getterinfo } }, JSNATIVE_WRAPPER(nullptr) } } },
  { "responseType", JSPROP_SHARED | JSPROP_ENUMERATE, { { { { GenericBindingGetter, &responseType_getterinfo } }, { { GenericBindingSetter, &responseType_setterinfo } } } } },
  { "response", JSPROP_SHARED | JSPROP_ENUMERATE, { { { { GenericBindingGetter, &response_getterinfo } }, JSNATIVE_WRAPPER(nullptr) } } },
  { "responseText", JSPROP_SHARED | JSPROP_ENUMERATE, { { { { GenericBindingGetter, &responseText_getterinfo } }, JSNATIVE_WRAPPER(nullptr) } } },
  JS_PS_END,
  { "responseXML", JSPROP_SHARED | JSPROP_ENUMERATE, { { { { GenericBindingGetter, &responseXML_getterinfo } }, JSNATIVE_WRAPPER(nullptr) } } },
  JS_PS_END,
  { "mozAnon", JSPROP_SHARED | JSPROP_ENUMERATE, { { { { GenericBindingGetter, &mozAnon_getterinfo } }, JSNATIVE_WRAPPER(nullptr) } } },
  { "mozSystem", JSPROP_SHARED | JSPROP_ENUMERATE, { { { { GenericBindingGetter, &mozSystem_getterinfo } }, JSNATIVE_WRAPPER(nullptr) } } },
  JS_PS_END
};

static PrefableDisablers sAttributes_disablers12 = {
  true, false, GlobalNames::DedicatedWorkerGlobalScope | GlobalNames::SharedWorkerGlobalScope, nullptr
};

// Can't be const because the pref-enabled boolean needs to be writable
static Prefable<const JSPropertySpec> sAttributes[] = {
  { nullptr, &sAttributes_specs[0] },
  { &sAttributes_disablers12, &sAttributes_specs[12] },
  { nullptr, &sAttributes_specs[14] },
  { nullptr, nullptr }
};

static jsid sAttributes_ids[17];

static const JSPropertySpec sChromeAttributes_specs[] = {
  { "mozBackgroundRequest", JSPROP_SHARED | JSPROP_ENUMERATE, { { { { GenericBindingGetter, &mozBackgroundRequest_getterinfo } }, { { GenericBindingSetter, &mozBackgroundRequest_setterinfo } } } } },
  JS_PS_END,
  { "channel", JSPROP_SHARED | JSPROP_ENUMERATE, { { { { GenericBindingGetter, &channel_getterinfo } }, JSNATIVE_WRAPPER(nullptr) } } },
  { "networkInterfaceId", JSPROP_SHARED | JSPROP_ENUMERATE, { { { { GenericBindingGetter, &networkInterfaceId_getterinfo } }, { { GenericBindingSetter, &networkInterfaceId_setterinfo } } } } },
  JS_PS_END
};

static PrefableDisablers sChromeAttributes_disablers2 = {
  true, false, GlobalNames::DedicatedWorkerGlobalScope | GlobalNames::SharedWorkerGlobalScope, nullptr
};

// Can't be const because the pref-enabled boolean needs to be writable
static Prefable<const JSPropertySpec> sChromeAttributes[] = {
  { nullptr, &sChromeAttributes_specs[0] },
  { &sChromeAttributes_disablers2, &sChromeAttributes_specs[2] },
  { nullptr, nullptr }
};

static jsid sChromeAttributes_ids[5];

static const ConstantSpec sConstants_specs[] = {
  { "UNSENT", JS::Int32Value(0) },
  { "OPENED", JS::Int32Value(1) },
  { "HEADERS_RECEIVED", JS::Int32Value(2) },
  { "LOADING", JS::Int32Value(3) },
  { "DONE", JS::Int32Value(4) },
  { 0, JS::UndefinedValue() }
};


// Can't be const because the pref-enabled boolean needs to be writable
static Prefable<const ConstantSpec> sConstants[] = {
  { nullptr, &sConstants_specs[0] },
  { nullptr, nullptr }
};

static jsid sConstants_ids[6];


static const NativePropertiesN<3> sNativeProperties = {
  -1,
  false, 0,
  false, 0,
  true,  0 /* sMethods */,
  true,  1 /* sAttributes */,
  false, 0,
  false, 0,
  true,  2 /* sConstants */,
  {
    { sMethods, sMethods_ids, sMethods_specs },
    { sAttributes, sAttributes_ids, sAttributes_specs },
    { sConstants, sConstants_ids, sConstants_specs }
  }
};

static const NativePropertiesN<2> sChromeOnlyNativeProperties = {
  -1,
  false, 0,
  false, 0,
  true,  0 /* sChromeMethods */,
  true,  1 /* sChromeAttributes */,
  false, 0,
  false, 0,
  false, 0,
  {
    { sChromeMethods, sChromeMethods_ids, sChromeMethods_specs },
    { sChromeAttributes, sChromeAttributes_ids, sChromeAttributes_specs }
  }
};

static bool
_constructor(JSContext* cx, unsigned argc, JS::Value* vp)
{
  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
  JS::Rooted<JSObject*> obj(cx, &args.callee());
  if (!args.isConstructing()) {
    // XXXbz wish I could get the name from the callee instead of
    // Adding more relocations
    return ThrowConstructorWithoutNew(cx, "XMLHttpRequest");
  }
  JS::Rooted<JSObject*> desiredProto(cx);
  if (!GetDesiredProto(cx, args, &desiredProto)) {
    return false;
  }

  unsigned argcount = std::min(args.length(), 1u);
  switch (argcount) {
    case 0: {
      GlobalObject global(cx, obj);
      if (global.Failed()) {
        return false;
      }

      bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
      binding_detail::FastMozXMLHttpRequestParameters arg0;
      if (!arg0.Init(cx, (args.hasDefined(0)) ? args[0] : JS::NullHandleValue,  "Argument 1 of XMLHttpRequest.constructor", false)) {
        return false;
      }
      Maybe<JSAutoCompartment> ac;
      if (objIsXray) {
        obj = js::CheckedUnwrap(obj);
        if (!obj) {
          return false;
        }
        ac.emplace(cx, obj);
        if (!JS_WrapObject(cx, &desiredProto)) {
          return false;
        }
      }
      binding_detail::FastErrorResult rv;
      auto result(StrongOrRawPtr<mozilla::dom::XMLHttpRequest>(mozilla::dom::XMLHttpRequest::Constructor(global, Constify(arg0), rv)));
      if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
        return false;
      }
      MOZ_ASSERT(!JS_IsExceptionPending(cx));
      static_assert(!IsPointer<decltype(result)>::value,
                    "NewObject implies that we need to keep the object alive with a strong reference.");
      if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
        MOZ_ASSERT(true || JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case 1: {
      if (args[0].isNullOrUndefined()) {
        binding_detail::FastMozXMLHttpRequestParameters arg0;
        if (!arg0.Init(cx, args[0],  "Argument 1 of XMLHttpRequest", false)) {
          return false;
        }
        GlobalObject global(cx, obj);
        if (global.Failed()) {
          return false;
        }

        bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
        Maybe<JSAutoCompartment> ac;
        if (objIsXray) {
          obj = js::CheckedUnwrap(obj);
          if (!obj) {
            return false;
          }
          ac.emplace(cx, obj);
          if (!JS_WrapObject(cx, &desiredProto)) {
            return false;
          }
        }
        binding_detail::FastErrorResult rv;
        auto result(StrongOrRawPtr<mozilla::dom::XMLHttpRequest>(mozilla::dom::XMLHttpRequest::Constructor(global, Constify(arg0), rv)));
        if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
          return false;
        }
        MOZ_ASSERT(!JS_IsExceptionPending(cx));
        static_assert(!IsPointer<decltype(result)>::value,
                      "NewObject implies that we need to keep the object alive with a strong reference.");
        if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
          MOZ_ASSERT(true || JS_IsExceptionPending(cx));
          return false;
        }
        return true;
      }
      if (args[0].isObject()) {
        do {
          binding_detail::FastMozXMLHttpRequestParameters arg0;
          { // scope for isConvertible
            bool isConvertible;
            if (!IsObjectValueConvertibleToDictionary(cx, args[0], &isConvertible)) {
              return false;
            }
            if (!isConvertible) {
              break;
            }

            if (!arg0.Init(cx, args[0],  "Argument 1 of XMLHttpRequest", false)) {
              return false;
            }
          }

          GlobalObject global(cx, obj);
          if (global.Failed()) {
            return false;
          }

          bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
          Maybe<JSAutoCompartment> ac;
          if (objIsXray) {
            obj = js::CheckedUnwrap(obj);
            if (!obj) {
              return false;
            }
            ac.emplace(cx, obj);
            if (!JS_WrapObject(cx, &desiredProto)) {
              return false;
            }
          }
          binding_detail::FastErrorResult rv;
          auto result(StrongOrRawPtr<mozilla::dom::XMLHttpRequest>(mozilla::dom::XMLHttpRequest::Constructor(global, Constify(arg0), rv)));
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
            return false;
          }
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
          static_assert(!IsPointer<decltype(result)>::value,
                        "NewObject implies that we need to keep the object alive with a strong reference.");
          if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
            MOZ_ASSERT(true || JS_IsExceptionPending(cx));
            return false;
          }
          return true;
        } while (0);
      }
      GlobalObject global(cx, obj);
      if (global.Failed()) {
        return false;
      }

      bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
      binding_detail::FakeString arg0;
      if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
        return false;
      }
      Maybe<JSAutoCompartment> ac;
      if (objIsXray) {
        obj = js::CheckedUnwrap(obj);
        if (!obj) {
          return false;
        }
        ac.emplace(cx, obj);
        if (!JS_WrapObject(cx, &desiredProto)) {
          return false;
        }
      }
      binding_detail::FastErrorResult rv;
      auto result(StrongOrRawPtr<mozilla::dom::XMLHttpRequest>(mozilla::dom::XMLHttpRequest::Constructor(global, NonNullHelper(Constify(arg0)), rv)));
      if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
        return false;
      }
      MOZ_ASSERT(!JS_IsExceptionPending(cx));
      static_assert(!IsPointer<decltype(result)>::value,
                    "NewObject implies that we need to keep the object alive with a strong reference.");
      if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
        MOZ_ASSERT(true || JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    default: {
      return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "XMLHttpRequest");
      break;
    }
  }
  MOZ_CRASH("We have an always-returning default case");
  return false;
}

static const js::ClassOps sInterfaceObjectClassOps = {
    nullptr,               /* addProperty */
    nullptr,               /* delProperty */
    nullptr,               /* getProperty */
    nullptr,               /* setProperty */
    nullptr,               /* enumerate */
    nullptr,               /* resolve */
    nullptr,               /* mayResolve */
    nullptr,               /* finalize */
    _constructor, /* call */
    nullptr,               /* hasInstance */
    _constructor, /* construct */
    nullptr,               /* trace */
};

static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
  {
    "Function",
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
    &sInterfaceObjectClassOps,
    JS_NULL_CLASS_SPEC,
    JS_NULL_CLASS_EXT,
    &sInterfaceObjectClassObjectOps
  },
  eInterface,
  true,
  prototypes::id::XMLHttpRequest,
  PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth,
  sNativePropertyHooks,
  "function XMLHttpRequest() {\n    [native code]\n}",
  XMLHttpRequestEventTargetBinding::GetConstructorObject
};

static const DOMIfaceAndProtoJSClass sPrototypeClass = {
  {
    "XMLHttpRequestPrototype",
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
    JS_NULL_CLASS_OPS,
    JS_NULL_CLASS_SPEC,
    JS_NULL_CLASS_EXT,
    JS_NULL_OBJECT_OPS
  },
  eInterfacePrototype,
  false,
  prototypes::id::XMLHttpRequest,
  PrototypeTraits<prototypes::id::XMLHttpRequest>::Depth,
  sNativePropertyHooks,
  "[object XMLHttpRequestPrototype]",
  XMLHttpRequestEventTargetBinding::GetProtoObject
};

bool
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
  if (!NS_IsMainThread()) {
    const char* name = js::GetObjectClass(aObj)->name;
    if (strcmp(name, "DedicatedWorkerGlobalScope") && strcmp(name, "SharedWorkerGlobalScope")) {
      return false;
    }
  }

  return true;
}

JSObject*
DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
{
  return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
}

static const js::ClassOps sClassOps = {
  _addProperty, /* addProperty */
  nullptr,               /* delProperty */
  nullptr,               /* getProperty */
  nullptr,               /* setProperty */
  nullptr, /* enumerate */
  nullptr, /* resolve */
  nullptr, /* mayResolve */
  _finalize, /* finalize */
  nullptr, /* call */
  nullptr,               /* hasInstance */
  nullptr,               /* construct */
  nullptr, /* trace */
};

static const js::ClassExtension sClassExtension = {
  nullptr, /* weakmapKeyDelegateOp */
  _objectMoved /* objectMovedOp */
};

static const DOMJSClass sClass = {
  { "XMLHttpRequest",
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(2),
    &sClassOps,
    JS_NULL_CLASS_SPEC,
    &sClassExtension,
    JS_NULL_OBJECT_OPS
  },
  { prototypes::id::EventTarget, prototypes::id::XMLHttpRequestEventTarget, prototypes::id::XMLHttpRequest, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
  IsBaseOf<nsISupports, mozilla::dom::XMLHttpRequest >::value,
  sNativePropertyHooks,
  FindAssociatedGlobalForNative<mozilla::dom::XMLHttpRequest>::Get,
  GetProtoObjectHandle,
  GetCCParticipant<mozilla::dom::XMLHttpRequest>::Get()
};
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
              "Must have the right minimal number of reserved slots.");
static_assert(2 >= 2,
              "Must have enough reserved slots.");

const JSClass*
GetJSClass()
{
  return sClass.ToJSClass();
}

bool
Wrap(JSContext* aCx, mozilla::dom::XMLHttpRequest* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
  MOZ_ASSERT(static_cast<mozilla::dom::XMLHttpRequest*>(aObject) ==
             reinterpret_cast<mozilla::dom::XMLHttpRequest*>(aObject),
             "Multiple inheritance for mozilla::dom::XMLHttpRequest is broken.");
  MOZ_ASSERT(static_cast<mozilla::dom::XMLHttpRequestEventTarget*>(aObject) ==
             reinterpret_cast<mozilla::dom::XMLHttpRequestEventTarget*>(aObject),
             "Multiple inheritance for mozilla::dom::XMLHttpRequestEventTarget is broken.");
  MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) ==
             reinterpret_cast<mozilla::dom::EventTarget*>(aObject),
             "Multiple inheritance for mozilla::dom::EventTarget is broken.");
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
  MOZ_ASSERT(!aCache->GetWrapper(),
             "You should probably not be using Wrap() directly; use "
             "GetOrCreateDOMReflector instead");

  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
             "nsISupports must be on our primary inheritance chain");

  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
  if (!global) {
    return false;
  }
  MOZ_ASSERT(JS_IsGlobalObject(global));
  MOZ_ASSERT(!JS::ObjectIsMarkedGray(global));

  // That might have ended up wrapping us already, due to the wonders
  // of XBL.  Check for that, and bail out as needed.
  aReflector.set(aCache->GetWrapper());
  if (aReflector) {
#ifdef DEBUG
    binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
#endif // DEBUG
    return true;
  }

  JSAutoCompartment ac(aCx, global);
  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
  if (!canonicalProto) {
    return false;
  }
  JS::Rooted<JSObject*> proto(aCx);
  if (aGivenProto) {
    proto = aGivenProto;
    // Unfortunately, while aGivenProto was in the compartment of aCx
    // coming in, we changed compartments to that of "parent" so may need
    // to wrap the proto here.
    if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
      if (!JS_WrapObject(aCx, &proto)) {
        return false;
      }
    }
  } else {
    proto = canonicalProto;
  }

  BindingJSObjectCreator<mozilla::dom::XMLHttpRequest> creator(aCx);
  creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
  if (!aReflector) {
    return false;
  }

  aCache->SetWrapper(aReflector);
  creator.InitializationSucceeded();

  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
             aCache->GetWrapperPreserveColor() == aReflector);
  // If proto != canonicalProto, we have to preserve our wrapper;
  // otherwise we won't be able to properly recreate it later, since
  // we won't know what proto to use.  Note that we don't check
  // aGivenProto here, since it's entirely possible (and even
  // somewhat common) to have a non-null aGivenProto which is the
  // same as canonicalProto.
  if (proto != canonicalProto) {
    PreserveWrapper(aObject);
  }

  return true;
}

// This may allocate too many slots, because we only really need
// slots for our non-interface-typed members that we cache.  But
// allocating slots only for those would make the slot index
// computations much more complicated, so let's do this the simple
// way for now.
DEFINE_XRAY_EXPANDO_CLASS(static, sXrayExpandoObjectClass, 1);

const NativePropertyHooks sNativePropertyHooks[] = { {
  nullptr,
  nullptr,
  nullptr,
  { sNativeProperties.Upcast(), sChromeOnlyNativeProperties.Upcast() },
  prototypes::id::XMLHttpRequest,
  constructors::id::XMLHttpRequest,
  XMLHttpRequestEventTargetBinding::sNativePropertyHooks,
  &sXrayExpandoObjectClass
} };

void
ClearCachedResponseTextValue(mozilla::dom::XMLHttpRequest* aObject)
{
  JSObject* obj;
  obj = aObject->GetWrapper();
  if (!obj) {
    return;
  }
  js::SetReservedSlot(obj, (DOM_INSTANCE_RESERVED_SLOTS + 0), JS::UndefinedValue());
  xpc::ClearXrayExpandoSlots(obj, (xpc::JSSLOT_EXPANDO_COUNT + 0));
}

void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
  JS::Handle<JSObject*> parentProto(XMLHttpRequestEventTargetBinding::GetProtoObjectHandle(aCx));
  if (!parentProto) {
    return;
  }

  JS::Handle<JSObject*> constructorProto(XMLHttpRequestEventTargetBinding::GetConstructorObjectHandle(aCx));
  if (!constructorProto) {
    return;
  }

  static bool sIdsInited = false;
  if (!sIdsInited && NS_IsMainThread()) {
    if (!InitIds(aCx, sChromeMethods, sChromeMethods_ids)) {
      return;
    }
    if (!InitIds(aCx, sMethods, sMethods_ids)) {
      return;
    }
    if (!InitIds(aCx, sChromeAttributes, sChromeAttributes_ids)) {
      return;
    }
    if (!InitIds(aCx, sAttributes, sAttributes_ids)) {
      return;
    }
    if (!InitIds(aCx, sConstants, sConstants_ids)) {
      return;
    }
    sIdsInited = true;
  }

  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::XMLHttpRequest);
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::XMLHttpRequest);
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
                              &sPrototypeClass.mBase, protoCache,
                              constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
                              interfaceCache,
                              sNativeProperties.Upcast(),
                              nsContentUtils::ThreadsafeIsCallerChrome() ? sChromeOnlyNativeProperties.Upcast() : nullptr,
                              "XMLHttpRequest", aDefineOnGlobal,
                              nullptr,
                              false);
}

JS::Handle<JSObject*>
GetProtoObjectHandle(JSContext* aCx)
{
  /* Get the interface prototype object for this class.  This will create the
     object as needed. */
  bool aDefineOnGlobal = true;

  /* Make sure our global is sane.  Hopefully we can remove this sometime */
  JSObject* global = JS::CurrentGlobalOrNull(aCx);
  if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
    return nullptr;
  }

  /* Check to see whether the interface objects are already installed */
  ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
  if (!protoAndIfaceCache.EntrySlotIfExists(prototypes::id::XMLHttpRequest)) {
    JS::Rooted<JSObject*> rootedGlobal(aCx, global);
    CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
  }

  /*
   * The object might _still_ be null, but that's OK.
   *
   * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
   * traced by TraceProtoAndIfaceCache() and its contents are never
   * changed after they have been set.
   *
   * Calling address() avoids the read read barrier that does gray
   * unmarking, but it's not possible for the object to be gray here.
   */

  const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::XMLHttpRequest);
  MOZ_ASSERT_IF(entrySlot, !JS::ObjectIsMarkedGray(entrySlot));
  return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
}

JS::Handle<JSObject*>
GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
{
  /* Get the interface object for this class.  This will create the object as
     needed. */

  /* Make sure our global is sane.  Hopefully we can remove this sometime */
  JSObject* global = JS::CurrentGlobalOrNull(aCx);
  if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
    return nullptr;
  }

  /* Check to see whether the interface objects are already installed */
  ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
  if (!protoAndIfaceCache.EntrySlotIfExists(constructors::id::XMLHttpRequest)) {
    JS::Rooted<JSObject*> rootedGlobal(aCx, global);
    CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
  }

  /*
   * The object might _still_ be null, but that's OK.
   *
   * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
   * traced by TraceProtoAndIfaceCache() and its contents are never
   * changed after they have been set.
   *
   * Calling address() avoids the read read barrier that does gray
   * unmarking, but it's not possible for the object to be gray here.
   */

  const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::XMLHttpRequest);
  MOZ_ASSERT_IF(entrySlot, !JS::ObjectIsMarkedGray(entrySlot));
  return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
}

JSObject*
GetConstructorObject(JSContext* aCx)
{
  return GetConstructorObjectHandle(aCx);
}

} // namespace XMLHttpRequestBinding



} // namespace dom
} // namespace mozilla