Issue #439 - Remove, fix and clean up automated tests

With the big amount of code churn around DOM a lot of tests
broke severely enough that they caused build bustage.
This commit cleans up, removes or otherwise fixes tests
that are broken, no longer relevant or obsolete.

110 files changed, 0 insertions, 9984 deletions

diff --git a/dom/base/test/chrome/chrome.ini b/dom/base/test/chrome/chrome.ini
index c6ee42391..64b1c8454 100644
--- a/dom/base/test/chrome/chrome.ini
+++ b/dom/base/test/chrome/chrome.ini
@@ -62,8 +62,6 @@ support-files = ../file_bug357450.js
 [test_bug1139964.xul]
 [test_bug1209621.xul]
 [test_cpows.xul]
-[test_custom_element_content.xul]
-[test_custom_element_ep.xul]
 [test_domparsing.xul]
 [test_fileconstructor.xul]
 [test_fileconstructor_tempfile.xul]
diff --git a/dom/base/test/mochitest.ini b/dom/base/test/mochitest.ini
index 928727f81..8183dab8b 100644
--- a/dom/base/test/mochitest.ini
+++ b/dom/base/test/mochitest.ini
@@ -630,7 +630,6 @@ skip-if = toolkit == 'android' #bug 904183
 [test_document.all_unqualified.html]
 [test_document_constructor.html]
 [test_document_importNode_document.html]
-[test_custom_element.html]
 [test_domcursor.html]
 [test_domparser_null_char.html]
 [test_domparsing.html]
@@ -698,7 +697,6 @@ skip-if = (os != 'android')    # meta-viewport tag support is mobile-only
 skip-if = toolkit == 'android' #TIMED_OUT
 [test_mozMatchesSelector.html]
 [test_mutationobserver_anonymous.html]
-[test_mutationobservers.html]
 [test_named_frames.html]
 [test_navigator_hardwareConcurrency.html]
 [test_navigator_language.html]
diff --git a/dom/bindings/moz.build b/dom/bindings/moz.build
index 649689c41..fae0fd15a 100644
--- a/dom/bindings/moz.build
+++ b/dom/bindings/moz.build
@@ -4,8 +4,6 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-TEST_DIRS += ['test']
-
 XPIDL_SOURCES += [
     'nsIScriptError.idl'
 ]
@@ -107,33 +105,6 @@ SOURCES += [
     'StructuredClone.cpp',
 ]
 
-# Tests for maplike and setlike require bindings to be built, which means they
-# must be included in libxul. This breaks the "no test classes are exported"
-# rule stated in the test/ directory, but it's the only way this will work.
-# Test classes are only built in debug mode, and all tests requiring use of
-# them are only run in debug mode.
-if CONFIG['MOZ_DEBUG']:
-    EXPORTS.mozilla.dom += [
-        "test/TestFunctions.h",
-        "test/TestInterfaceIterableDouble.h",
-        "test/TestInterfaceIterableDoubleUnion.h",
-        "test/TestInterfaceIterableSingle.h",
-        "test/TestInterfaceMaplike.h",
-        "test/TestInterfaceMaplikeObject.h",
-        "test/TestInterfaceSetlike.h",
-        "test/TestInterfaceSetlikeNode.h"
-        ]
-    UNIFIED_SOURCES += [
-        "test/TestFunctions.cpp",
-        "test/TestInterfaceIterableDouble.cpp",
-        "test/TestInterfaceIterableDoubleUnion.cpp",
-        "test/TestInterfaceIterableSingle.cpp",
-        "test/TestInterfaceMaplike.cpp",
-        "test/TestInterfaceMaplikeObject.cpp",
-        "test/TestInterfaceSetlike.cpp",
-        "test/TestInterfaceSetlikeNode.cpp",
-        ]
-
 include('/ipc/chromium/chromium-config.mozbuild')
 
 if CONFIG['MOZ_AUDIO_CHANNEL_MANAGER']:
diff --git a/dom/bindings/test/Makefile.in b/dom/bindings/test/Makefile.in
deleted file mode 100644
index 844a51c27..000000000
--- a/dom/bindings/test/Makefile.in
+++ /dev/null
@@ -1,21 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this file,
-# You can obtain one at http://mozilla.org/MPL/2.0/.
-
-ifdef COMPILE_ENVIRONMENT
-
-include ../webidlsrcs.mk
-
-# $(test_sources) comes from webidlsrcs.mk.
-# TODO Update this variable in backend.mk.
-CPPSRCS += $(addprefix ../,$(test_sources))
-
-# Include rules.mk before any of our targets so our first target is coming from
-# rules.mk and running make with no target in this dir does the right thing.
-include $(topsrcdir)/config/rules.mk
-
-endif
-
-check::
-	PYTHONDONTWRITEBYTECODE=1 $(PYTHON) $(topsrcdir)/config/pythonpath.py \
-	  $(PLY_INCLUDE) $(srcdir)/../parser/runtests.py
diff --git a/dom/bindings/test/TestBindingHeader.h b/dom/bindings/test/TestBindingHeader.h
deleted file mode 100644
index 4e2e10e43..000000000
--- a/dom/bindings/test/TestBindingHeader.h
+++ /dev/null
@@ -1,1464 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=8 sts=2 et sw=2 tw=80: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-
-#ifndef TestBindingHeader_h
-#define TestBindingHeader_h
-
-#include "mozilla/dom/BindingUtils.h"
-#include "mozilla/dom/Date.h"
-#include "mozilla/dom/MozMap.h"
-#include "mozilla/dom/TypedArray.h"
-#include "mozilla/ErrorResult.h"
-#include "nsCOMPtr.h"
-#include "nsGenericHTMLElement.h"
-#include "nsWrapperCache.h"
-
-// Forward declare this before we include TestCodeGenBinding.h, because that header relies on including
-// this one for it, for ParentDict. Hopefully it won't begin to rely on it in more fundamental ways.
-namespace mozilla {
-namespace dom {
-class DocGroup;
-class TestExternalInterface;
-class Promise;
-} // namespace dom
-} // namespace mozilla
-
-// We don't export TestCodeGenBinding.h, but it's right in our parent dir.
-#include "../TestCodeGenBinding.h"
-
-extern bool TestFuncControlledMember(JSContext*, JSObject*);
-
-namespace mozilla {
-namespace dom {
-
-// IID for nsRenamedInterface
-#define NS_RENAMED_INTERFACE_IID \
-{ 0xd4b19ef3, 0xe68b, 0x4e3f, \
- { 0x94, 0xbc, 0xc9, 0xde, 0x3a, 0x69, 0xb0, 0xe8 } }
-
-class nsRenamedInterface : public nsISupports,
-                           public nsWrapperCache
-{
-public:
-  NS_DECLARE_STATIC_IID_ACCESSOR(NS_RENAMED_INTERFACE_IID)
-  NS_DECL_ISUPPORTS
-
-  // We need a GetParentObject and GetDocGroup to make binding codegen happy
-  virtual nsISupports* GetParentObject();
-  DocGroup* GetDocGroup() const;
-};
-
-NS_DEFINE_STATIC_IID_ACCESSOR(nsRenamedInterface, NS_RENAMED_INTERFACE_IID)
-
-// IID for the IndirectlyImplementedInterface
-#define NS_INDIRECTLY_IMPLEMENTED_INTERFACE_IID \
-{ 0xfed55b69, 0x7012, 0x4849, \
- { 0xaf, 0x56, 0x4b, 0xa9, 0xee, 0x41, 0x30, 0x89 } }
-
-class IndirectlyImplementedInterface : public nsISupports,
-                                       public nsWrapperCache
-{
-public:
-  NS_DECLARE_STATIC_IID_ACCESSOR(NS_INDIRECTLY_IMPLEMENTED_INTERFACE_IID)
-  NS_DECL_ISUPPORTS
-
-  // We need a GetParentObject and GetDocGroup to make binding codegen happy
-  virtual nsISupports* GetParentObject();
-  DocGroup* GetDocGroup() const;
-
-  bool IndirectlyImplementedProperty();
-  void IndirectlyImplementedProperty(bool);
-  void IndirectlyImplementedMethod();
-};
-
-NS_DEFINE_STATIC_IID_ACCESSOR(IndirectlyImplementedInterface, NS_INDIRECTLY_IMPLEMENTED_INTERFACE_IID)
-
-// IID for the TestExternalInterface
-#define NS_TEST_EXTERNAL_INTERFACE_IID \
-{ 0xd5ba0c99, 0x9b1d, 0x4e71, \
- { 0x8a, 0x94, 0x56, 0x38, 0x6c, 0xa3, 0xda, 0x3d } }
-class TestExternalInterface : public nsISupports
-{
-public:
-  NS_DECLARE_STATIC_IID_ACCESSOR(NS_TEST_EXTERNAL_INTERFACE_IID)
-  NS_DECL_ISUPPORTS
-};
-
-NS_DEFINE_STATIC_IID_ACCESSOR(TestExternalInterface, NS_TEST_EXTERNAL_INTERFACE_IID)
-
-class TestNonWrapperCacheInterface : public nsISupports
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  bool WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector);
-};
-
-class OnlyForUseInConstructor : public nsISupports,
-                                public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-  // We need a GetParentObject to make binding codegen happy
-  virtual nsISupports* GetParentObject();
-};
-
-class TestInterface : public nsISupports,
-                      public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  // We need a GetParentObject to make binding codegen happy
-  virtual nsISupports* GetParentObject();
-
-  // And now our actual WebIDL API
-  // Constructors
-  static
-  already_AddRefed<TestInterface>
-    Constructor(const GlobalObject&, ErrorResult&);
-  static
-  already_AddRefed<TestInterface>
-    Constructor(const GlobalObject&, const nsAString&, ErrorResult&);
-  static
-  already_AddRefed<TestInterface>
-    Constructor(const GlobalObject&, uint32_t, const Nullable<bool>&,
-                ErrorResult&);
-  static
-  already_AddRefed<TestInterface>
-    Constructor(const GlobalObject&, TestInterface*, ErrorResult&);
-  static
-  already_AddRefed<TestInterface>
-    Constructor(const GlobalObject&, uint32_t, IndirectlyImplementedInterface&, ErrorResult&);
-
-  static
-  already_AddRefed<TestInterface>
-    Constructor(const GlobalObject&, Date&, ErrorResult&);
-  static
-  already_AddRefed<TestInterface>
-    Constructor(const GlobalObject&, const ArrayBuffer&, ErrorResult&);
-  static
-  already_AddRefed<TestInterface>
-    Constructor(const GlobalObject&, const Uint8Array&, ErrorResult&);
-  /*  static
-  already_AddRefed<TestInterface>
-    Constructor(const GlobalObject&, uint32_t, uint32_t,
-                const TestInterfaceOrOnlyForUseInConstructor&, ErrorResult&);
-  */
-
-  static
-  already_AddRefed<TestInterface> Test(const GlobalObject&, ErrorResult&);
-  static
-  already_AddRefed<TestInterface> Test(const GlobalObject&, const nsAString&,
-                                       ErrorResult&);
-  static
-  already_AddRefed<TestInterface> Test(const GlobalObject&, const nsACString&,
-                                       ErrorResult&);
-
-  static
-  already_AddRefed<TestInterface> Test2(const GlobalObject&,
-                                        const DictForConstructor&,
-                                        JS::Handle<JS::Value>,
-                                        JS::Handle<JSObject*>,
-                                        JS::Handle<JSObject*>,
-                                        const Sequence<Dict>&,
-                                        JS::Handle<JS::Value>,
-                                        const Optional<JS::Handle<JSObject*> >&,
-                                        const Optional<JS::Handle<JSObject*> >&,
-                                        ErrorResult&);
-
-  static
-  already_AddRefed<TestInterface> Test3(const GlobalObject&,
-                                        const LongOrAnyMozMap&,
-                                        ErrorResult&);
-
-  // Integer types
-  int8_t ReadonlyByte();
-  int8_t WritableByte();
-  void SetWritableByte(int8_t);
-  void PassByte(int8_t);
-  int8_t ReceiveByte();
-  void PassOptionalByte(const Optional<int8_t>&);
-  void PassOptionalByteBeforeRequired(const Optional<int8_t>&, int8_t);
-  void PassOptionalByteWithDefault(int8_t);
-  void PassOptionalByteWithDefaultBeforeRequired(int8_t, int8_t);
-  void PassNullableByte(const Nullable<int8_t>&);
-  void PassOptionalNullableByte(const Optional< Nullable<int8_t> >&);
-  void PassVariadicByte(const Sequence<int8_t>&);
-  int8_t CachedByte();
-  int8_t CachedConstantByte();
-  int8_t CachedWritableByte();
-  void SetCachedWritableByte(int8_t);
-  int8_t SideEffectFreeByte();
-  int8_t SetSideEffectFreeByte(int8_t);
-  int8_t DomDependentByte();
-  int8_t SetDomDependentByte(int8_t);
-  int8_t ConstantByte();
-  int8_t DeviceStateDependentByte();
-  int8_t ReturnByteSideEffectFree();
-  int8_t ReturnDOMDependentByte();
-  int8_t ReturnConstantByte();
-  int8_t ReturnDeviceStateDependentByte();
-
-  void UnsafePrerenderMethod();
-  int32_t UnsafePrerenderWritable();
-  void SetUnsafePrerenderWritable(int32_t);
-  int32_t UnsafePrerenderReadonly();
-  int16_t ReadonlyShort();
-  int16_t WritableShort();
-  void SetWritableShort(int16_t);
-  void PassShort(int16_t);
-  int16_t ReceiveShort();
-  void PassOptionalShort(const Optional<int16_t>&);
-  void PassOptionalShortWithDefault(int16_t);
-
-  int32_t ReadonlyLong();
-  int32_t WritableLong();
-  void SetWritableLong(int32_t);
-  void PassLong(int32_t);
-  int16_t ReceiveLong();
-  void PassOptionalLong(const Optional<int32_t>&);
-  void PassOptionalLongWithDefault(int32_t);
-
-  int64_t ReadonlyLongLong();
-  int64_t WritableLongLong();
-  void SetWritableLongLong(int64_t);
-  void PassLongLong(int64_t);
-  int64_t ReceiveLongLong();
-  void PassOptionalLongLong(const Optional<int64_t>&);
-  void PassOptionalLongLongWithDefault(int64_t);
-
-  uint8_t ReadonlyOctet();
-  uint8_t WritableOctet();
-  void SetWritableOctet(uint8_t);
-  void PassOctet(uint8_t);
-  uint8_t ReceiveOctet();
-  void PassOptionalOctet(const Optional<uint8_t>&);
-  void PassOptionalOctetWithDefault(uint8_t);
-
-  uint16_t ReadonlyUnsignedShort();
-  uint16_t WritableUnsignedShort();
-  void SetWritableUnsignedShort(uint16_t);
-  void PassUnsignedShort(uint16_t);
-  uint16_t ReceiveUnsignedShort();
-  void PassOptionalUnsignedShort(const Optional<uint16_t>&);
-  void PassOptionalUnsignedShortWithDefault(uint16_t);
-
-  uint32_t ReadonlyUnsignedLong();
-  uint32_t WritableUnsignedLong();
-  void SetWritableUnsignedLong(uint32_t);
-  void PassUnsignedLong(uint32_t);
-  uint32_t ReceiveUnsignedLong();
-  void PassOptionalUnsignedLong(const Optional<uint32_t>&);
-  void PassOptionalUnsignedLongWithDefault(uint32_t);
-
-  uint64_t ReadonlyUnsignedLongLong();
-  uint64_t WritableUnsignedLongLong();
-  void SetWritableUnsignedLongLong(uint64_t);
-  void PassUnsignedLongLong(uint64_t);
-  uint64_t ReceiveUnsignedLongLong();
-  void PassOptionalUnsignedLongLong(const Optional<uint64_t>&);
-  void PassOptionalUnsignedLongLongWithDefault(uint64_t);
-
-  float WritableFloat() const;
-  void SetWritableFloat(float);
-  float WritableUnrestrictedFloat() const;
-  void SetWritableUnrestrictedFloat(float);
-  Nullable<float> GetWritableNullableFloat() const;
-  void SetWritableNullableFloat(Nullable<float>);
-  Nullable<float> GetWritableNullableUnrestrictedFloat() const;
-  void SetWritableNullableUnrestrictedFloat(Nullable<float>);
-  double WritableDouble() const;
-  void SetWritableDouble(double);
-  double WritableUnrestrictedDouble() const;
-  void SetWritableUnrestrictedDouble(double);
-  Nullable<double> GetWritableNullableDouble() const;
-  void SetWritableNullableDouble(Nullable<double>);
-  Nullable<double> GetWritableNullableUnrestrictedDouble() const;
-  void SetWritableNullableUnrestrictedDouble(Nullable<double>);
-  void PassFloat(float, float, Nullable<float>, Nullable<float>,
-                 double, double, Nullable<double>, Nullable<double>,
-                 const Sequence<float>&, const Sequence<float>&,
-                 const Sequence<Nullable<float> >&,
-                 const Sequence<Nullable<float> >&,
-                 const Sequence<double>&, const Sequence<double>&,
-                 const Sequence<Nullable<double> >&,
-                 const Sequence<Nullable<double> >&);
-  void PassLenientFloat(float, float, Nullable<float>, Nullable<float>,
-                        double, double, Nullable<double>, Nullable<double>,
-                        const Sequence<float>&, const Sequence<float>&,
-                        const Sequence<Nullable<float> >&,
-                        const Sequence<Nullable<float> >&,
-                        const Sequence<double>&, const Sequence<double>&,
-                        const Sequence<Nullable<double> >&,
-                        const Sequence<Nullable<double> >&);
-  float LenientFloatAttr() const;
-  void SetLenientFloatAttr(float);
-  double LenientDoubleAttr() const;
-  void SetLenientDoubleAttr(double);
-
-  void PassUnrestricted(float arg1,
-                        float arg2,
-                        float arg3,
-                        float arg4,
-                        double arg5,
-                        double arg6,
-                        double arg7,
-                        double arg8);
-
-  // Interface types
-  already_AddRefed<TestInterface> ReceiveSelf();
-  already_AddRefed<TestInterface> ReceiveNullableSelf();
-  TestInterface* ReceiveWeakSelf();
-  TestInterface* ReceiveWeakNullableSelf();
-  void PassSelf(TestInterface&);
-  void PassNullableSelf(TestInterface*);
-  already_AddRefed<TestInterface> NonNullSelf();
-  void SetNonNullSelf(TestInterface&);
-  already_AddRefed<TestInterface> GetNullableSelf();
-  already_AddRefed<TestInterface> CachedSelf();
-  void SetNullableSelf(TestInterface*);
-  void PassOptionalSelf(const Optional<TestInterface*> &);
-  void PassOptionalNonNullSelf(const Optional<NonNull<TestInterface> >&);
-  void PassOptionalSelfWithDefault(TestInterface*);
-
-  already_AddRefed<TestNonWrapperCacheInterface> ReceiveNonWrapperCacheInterface();
-  already_AddRefed<TestNonWrapperCacheInterface> ReceiveNullableNonWrapperCacheInterface();
-  void ReceiveNonWrapperCacheInterfaceSequence(nsTArray<RefPtr<TestNonWrapperCacheInterface> >&);
-  void ReceiveNullableNonWrapperCacheInterfaceSequence(nsTArray<RefPtr<TestNonWrapperCacheInterface> >&);
-  void ReceiveNonWrapperCacheInterfaceNullableSequence(Nullable<nsTArray<RefPtr<TestNonWrapperCacheInterface> > >&);
-  void ReceiveNullableNonWrapperCacheInterfaceNullableSequence(Nullable<nsTArray<RefPtr<TestNonWrapperCacheInterface> > >&);
-
-  already_AddRefed<IndirectlyImplementedInterface> ReceiveOther();
-  already_AddRefed<IndirectlyImplementedInterface> ReceiveNullableOther();
-  IndirectlyImplementedInterface* ReceiveWeakOther();
-  IndirectlyImplementedInterface* ReceiveWeakNullableOther();
-  void PassOther(IndirectlyImplementedInterface&);
-  void PassNullableOther(IndirectlyImplementedInterface*);
-  already_AddRefed<IndirectlyImplementedInterface> NonNullOther();
-  void SetNonNullOther(IndirectlyImplementedInterface&);
-  already_AddRefed<IndirectlyImplementedInterface> GetNullableOther();
-  void SetNullableOther(IndirectlyImplementedInterface*);
-  void PassOptionalOther(const Optional<IndirectlyImplementedInterface*>&);
-  void PassOptionalNonNullOther(const Optional<NonNull<IndirectlyImplementedInterface> >&);
-  void PassOptionalOtherWithDefault(IndirectlyImplementedInterface*);
-
-  already_AddRefed<TestExternalInterface> ReceiveExternal();
-  already_AddRefed<TestExternalInterface> ReceiveNullableExternal();
-  TestExternalInterface* ReceiveWeakExternal();
-  TestExternalInterface* ReceiveWeakNullableExternal();
-  void PassExternal(TestExternalInterface*);
-  void PassNullableExternal(TestExternalInterface*);
-  already_AddRefed<TestExternalInterface> NonNullExternal();
-  void SetNonNullExternal(TestExternalInterface*);
-  already_AddRefed<TestExternalInterface> GetNullableExternal();
-  void SetNullableExternal(TestExternalInterface*);
-  void PassOptionalExternal(const Optional<TestExternalInterface*>&);
-  void PassOptionalNonNullExternal(const Optional<TestExternalInterface*>&);
-  void PassOptionalExternalWithDefault(TestExternalInterface*);
-
-  already_AddRefed<TestCallbackInterface> ReceiveCallbackInterface();
-  already_AddRefed<TestCallbackInterface> ReceiveNullableCallbackInterface();
-  TestCallbackInterface* ReceiveWeakCallbackInterface();
-  TestCallbackInterface* ReceiveWeakNullableCallbackInterface();
-  void PassCallbackInterface(TestCallbackInterface&);
-  void PassNullableCallbackInterface(TestCallbackInterface*);
-  already_AddRefed<TestCallbackInterface> NonNullCallbackInterface();
-  void SetNonNullCallbackInterface(TestCallbackInterface&);
-  already_AddRefed<TestCallbackInterface> GetNullableCallbackInterface();
-  void SetNullableCallbackInterface(TestCallbackInterface*);
-  void PassOptionalCallbackInterface(const Optional<RefPtr<TestCallbackInterface> >&);
-  void PassOptionalNonNullCallbackInterface(const Optional<OwningNonNull<TestCallbackInterface> >&);
-  void PassOptionalCallbackInterfaceWithDefault(TestCallbackInterface*);
-
-  already_AddRefed<IndirectlyImplementedInterface> ReceiveConsequentialInterface();
-  void PassConsequentialInterface(IndirectlyImplementedInterface&);
-
-  // Sequence types
-  void GetReadonlySequence(nsTArray<int32_t>&);
-  void GetReadonlySequenceOfDictionaries(JSContext*, nsTArray<Dict>&);
-  void GetReadonlyNullableSequenceOfDictionaries(JSContext*, Nullable<nsTArray<Dict> >&);
-  void GetReadonlyFrozenSequence(JSContext*, nsTArray<Dict>&);
-  void GetReadonlyFrozenNullableSequence(JSContext*, Nullable<nsTArray<Dict>>&);
-  void ReceiveSequence(nsTArray<int32_t>&);
-  void ReceiveNullableSequence(Nullable< nsTArray<int32_t> >&);
-  void ReceiveSequenceOfNullableInts(nsTArray< Nullable<int32_t> >&);
-  void ReceiveNullableSequenceOfNullableInts(Nullable< nsTArray< Nullable<int32_t> > >&);
-  void PassSequence(const Sequence<int32_t> &);
-  void PassNullableSequence(const Nullable< Sequence<int32_t> >&);
-  void PassSequenceOfNullableInts(const Sequence<Nullable<int32_t> >&);
-  void PassOptionalSequenceOfNullableInts(const Optional<Sequence<Nullable<int32_t> > > &);
-  void PassOptionalNullableSequenceOfNullableInts(const Optional<Nullable<Sequence<Nullable<int32_t> > > > &);
-  void ReceiveCastableObjectSequence(nsTArray< RefPtr<TestInterface> > &);
-  void ReceiveCallbackObjectSequence(nsTArray< RefPtr<TestCallbackInterface> > &);
-  void ReceiveNullableCastableObjectSequence(nsTArray< RefPtr<TestInterface> > &);
-  void ReceiveNullableCallbackObjectSequence(nsTArray< RefPtr<TestCallbackInterface> > &);
-  void ReceiveCastableObjectNullableSequence(Nullable< nsTArray< RefPtr<TestInterface> > >&);
-  void ReceiveNullableCastableObjectNullableSequence(Nullable< nsTArray< RefPtr<TestInterface> > >&);
-  void ReceiveWeakCastableObjectSequence(nsTArray<RefPtr<TestInterface>> &);
-  void ReceiveWeakNullableCastableObjectSequence(nsTArray<RefPtr<TestInterface>> &);
-  void ReceiveWeakCastableObjectNullableSequence(Nullable< nsTArray<RefPtr<TestInterface>> >&);
-  void ReceiveWeakNullableCastableObjectNullableSequence(Nullable< nsTArray<RefPtr<TestInterface>> >&);
-  void PassCastableObjectSequence(const Sequence< OwningNonNull<TestInterface> >&);
-  void PassNullableCastableObjectSequence(const Sequence< RefPtr<TestInterface> > &);
-  void PassCastableObjectNullableSequence(const Nullable< Sequence< OwningNonNull<TestInterface> > >&);
-  void PassNullableCastableObjectNullableSequence(const Nullable< Sequence< RefPtr<TestInterface> > >&);
-  void PassOptionalSequence(const Optional<Sequence<int32_t> >&);
-  void PassOptionalSequenceWithDefaultValue(const Sequence<int32_t> &);
-  void PassOptionalNullableSequence(const Optional<Nullable<Sequence<int32_t> > >&);
-  void PassOptionalNullableSequenceWithDefaultValue(const Nullable< Sequence<int32_t> >&);
-  void PassOptionalNullableSequenceWithDefaultValue2(const Nullable< Sequence<int32_t> >&);
-  void PassOptionalObjectSequence(const Optional<Sequence<OwningNonNull<TestInterface> > >&);
-  void PassExternalInterfaceSequence(const Sequence<RefPtr<TestExternalInterface> >&);
-  void PassNullableExternalInterfaceSequence(const Sequence<RefPtr<TestExternalInterface> >&);
-
-  void ReceiveStringSequence(nsTArray<nsString>&);
-  void PassStringSequence(const Sequence<nsString>&);
-
-  void ReceiveByteStringSequence(nsTArray<nsCString>&);
-  void PassByteStringSequence(const Sequence<nsCString>&);
-
-  void ReceiveAnySequence(JSContext*, nsTArray<JS::Value>&);
-  void ReceiveNullableAnySequence(JSContext*, Nullable<nsTArray<JS::Value> >&);
-  void ReceiveAnySequenceSequence(JSContext*, nsTArray<nsTArray<JS::Value> >&);
-
-  void ReceiveObjectSequence(JSContext*, nsTArray<JSObject*>&);
-  void ReceiveNullableObjectSequence(JSContext*, nsTArray<JSObject*>&);
-
-  void PassSequenceOfSequences(const Sequence< Sequence<int32_t> >&);
-  void PassSequenceOfSequencesOfSequences(const Sequence<Sequence<Sequence<int32_t>>>&);
-  void ReceiveSequenceOfSequences(nsTArray< nsTArray<int32_t> >&);
-  void ReceiveSequenceOfSequencesOfSequences(nsTArray<nsTArray<nsTArray<int32_t>>>&);
-
-  // MozMap types
-  void PassMozMap(const MozMap<int32_t> &);
-  void PassNullableMozMap(const Nullable< MozMap<int32_t> >&);
-  void PassMozMapOfNullableInts(const MozMap<Nullable<int32_t> >&);
-  void PassOptionalMozMapOfNullableInts(const Optional<MozMap<Nullable<int32_t> > > &);
-  void PassOptionalNullableMozMapOfNullableInts(const Optional<Nullable<MozMap<Nullable<int32_t> > > > &);
-  void PassCastableObjectMozMap(const MozMap< OwningNonNull<TestInterface> >&);
-  void PassNullableCastableObjectMozMap(const MozMap< RefPtr<TestInterface> > &);
-  void PassCastableObjectNullableMozMap(const Nullable< MozMap< OwningNonNull<TestInterface> > >&);
-  void PassNullableCastableObjectNullableMozMap(const Nullable< MozMap< RefPtr<TestInterface> > >&);
-  void PassOptionalMozMap(const Optional<MozMap<int32_t> >&);
-  void PassOptionalNullableMozMap(const Optional<Nullable<MozMap<int32_t> > >&);
-  void PassOptionalNullableMozMapWithDefaultValue(const Nullable< MozMap<int32_t> >&);
-  void PassOptionalObjectMozMap(const Optional<MozMap<OwningNonNull<TestInterface> > >&);
-  void PassExternalInterfaceMozMap(const MozMap<RefPtr<TestExternalInterface> >&);
-  void PassNullableExternalInterfaceMozMap(const MozMap<RefPtr<TestExternalInterface> >&);
-  void PassStringMozMap(const MozMap<nsString>&);
-  void PassByteStringMozMap(const MozMap<nsCString>&);
-  void PassMozMapOfMozMaps(const MozMap< MozMap<int32_t> >&);
-  void ReceiveMozMap(MozMap<int32_t>&);
-  void ReceiveNullableMozMap(Nullable<MozMap<int32_t>>&);
-  void ReceiveMozMapOfNullableInts(MozMap<Nullable<int32_t>>&);
-  void ReceiveNullableMozMapOfNullableInts(Nullable<MozMap<Nullable<int32_t>>>&);
-  void ReceiveMozMapOfMozMaps(MozMap<MozMap<int32_t>>&);
-  void ReceiveAnyMozMap(JSContext*, MozMap<JS::Value>&);
-
-  // Typed array types
-  void PassArrayBuffer(const ArrayBuffer&);
-  void PassNullableArrayBuffer(const Nullable<ArrayBuffer>&);
-  void PassOptionalArrayBuffer(const Optional<ArrayBuffer>&);
-  void PassOptionalNullableArrayBuffer(const Optional<Nullable<ArrayBuffer> >&);
-  void PassOptionalNullableArrayBufferWithDefaultValue(const Nullable<ArrayBuffer>&);
-  void PassArrayBufferView(const ArrayBufferView&);
-  void PassInt8Array(const Int8Array&);
-  void PassInt16Array(const Int16Array&);
-  void PassInt32Array(const Int32Array&);
-  void PassUint8Array(const Uint8Array&);
-  void PassUint16Array(const Uint16Array&);
-  void PassUint32Array(const Uint32Array&);
-  void PassUint8ClampedArray(const Uint8ClampedArray&);
-  void PassFloat32Array(const Float32Array&);
-  void PassFloat64Array(const Float64Array&);
-  void PassSequenceOfArrayBuffers(const Sequence<ArrayBuffer>&);
-  void PassSequenceOfNullableArrayBuffers(const Sequence<Nullable<ArrayBuffer> >&);
-  void PassMozMapOfArrayBuffers(const MozMap<ArrayBuffer>&);
-  void PassMozMapOfNullableArrayBuffers(const MozMap<Nullable<ArrayBuffer> >&);
-  void PassVariadicTypedArray(const Sequence<Float32Array>&);
-  void PassVariadicNullableTypedArray(const Sequence<Nullable<Float32Array> >&);
-  void ReceiveUint8Array(JSContext*, JS::MutableHandle<JSObject*>);
-  void SetUint8ArrayAttr(const Uint8Array&);
-  void GetUint8ArrayAttr(JSContext*, JS::MutableHandle<JSObject*>);
-
-  // DOMString types
-  void PassString(const nsAString&);
-  void PassNullableString(const nsAString&);
-  void PassOptionalString(const Optional<nsAString>&);
-  void PassOptionalStringWithDefaultValue(const nsAString&);
-  void PassOptionalNullableString(const Optional<nsAString>&);
-  void PassOptionalNullableStringWithDefaultValue(const nsAString&);
-  void PassVariadicString(const Sequence<nsString>&);
-  void ReceiveString(DOMString&);
-
-  // ByteString types
-  void PassByteString(const nsCString&);
-  void PassNullableByteString(const nsCString&);
-  void PassOptionalByteString(const Optional<nsCString>&);
-  void PassOptionalByteStringWithDefaultValue(const nsCString&);
-  void PassOptionalNullableByteString(const Optional<nsCString>&);
-  void PassOptionalNullableByteStringWithDefaultValue(const nsCString&);
-  void PassVariadicByteString(const Sequence<nsCString>&);
-  void PassOptionalUnionByteString(const Optional<ByteStringOrLong>&);
-  void PassOptionalUnionByteStringWithDefaultValue(const ByteStringOrLong&);
-
-  // USVString types
-  void PassUSVS(const nsAString&);
-  void PassNullableUSVS(const nsAString&);
-  void PassOptionalUSVS(const Optional<nsAString>&);
-  void PassOptionalUSVSWithDefaultValue(const nsAString&);
-  void PassOptionalNullableUSVS(const Optional<nsAString>&);
-  void PassOptionalNullableUSVSWithDefaultValue(const nsAString&);
-  void PassVariadicUSVS(const Sequence<nsString>&);
-  void ReceiveUSVS(DOMString&);
-
-  // Enumerated types
-  void PassEnum(TestEnum);
-  void PassNullableEnum(const Nullable<TestEnum>&);
-  void PassOptionalEnum(const Optional<TestEnum>&);
-  void PassEnumWithDefault(TestEnum);
-  void PassOptionalNullableEnum(const Optional<Nullable<TestEnum> >&);
-  void PassOptionalNullableEnumWithDefaultValue(const Nullable<TestEnum>&);
-  void PassOptionalNullableEnumWithDefaultValue2(const Nullable<TestEnum>&);
-  TestEnum ReceiveEnum();
-  Nullable<TestEnum> ReceiveNullableEnum();
-  TestEnum EnumAttribute();
-  TestEnum ReadonlyEnumAttribute();
-  void SetEnumAttribute(TestEnum);
-
-  // Callback types
-  void PassCallback(TestCallback&);
-  void PassNullableCallback(TestCallback*);
-  void PassOptionalCallback(const Optional<OwningNonNull<TestCallback> >&);
-  void PassOptionalNullableCallback(const Optional<RefPtr<TestCallback> >&);
-  void PassOptionalNullableCallbackWithDefaultValue(TestCallback*);
-  already_AddRefed<TestCallback> ReceiveCallback();
-  already_AddRefed<TestCallback> ReceiveNullableCallback();
-  void PassNullableTreatAsNullCallback(TestTreatAsNullCallback*);
-  void PassOptionalNullableTreatAsNullCallback(const Optional<RefPtr<TestTreatAsNullCallback> >&);
-  void PassOptionalNullableTreatAsNullCallbackWithDefaultValue(TestTreatAsNullCallback*);
-  void SetTreatAsNullCallback(TestTreatAsNullCallback&);
-  already_AddRefed<TestTreatAsNullCallback> TreatAsNullCallback();
-  void SetNullableTreatAsNullCallback(TestTreatAsNullCallback*);
-  already_AddRefed<TestTreatAsNullCallback> GetNullableTreatAsNullCallback();
-
-  void ForceCallbackGeneration(TestIntegerReturn&,
-                               TestNullableIntegerReturn&,
-                               TestBooleanReturn&,
-                               TestFloatReturn&,
-                               TestStringReturn&,
-                               TestEnumReturn&,
-                               TestInterfaceReturn&,
-                               TestNullableInterfaceReturn&,
-                               TestExternalInterfaceReturn&,
-                               TestNullableExternalInterfaceReturn&,
-                               TestCallbackInterfaceReturn&,
-                               TestNullableCallbackInterfaceReturn&,
-                               TestCallbackReturn&,
-                               TestNullableCallbackReturn&,
-                               TestObjectReturn&,
-                               TestNullableObjectReturn&,
-                               TestTypedArrayReturn&,
-                               TestNullableTypedArrayReturn&,
-                               TestSequenceReturn&,
-                               TestNullableSequenceReturn&,
-                               TestIntegerArguments&,
-                               TestInterfaceArguments&,
-                               TestStringEnumArguments&,
-                               TestObjectArguments&,
-                               TestOptionalArguments&);
-
-  // Any types
-  void PassAny(JSContext*, JS::Handle<JS::Value>);
-  void PassVariadicAny(JSContext*, const Sequence<JS::Value>&);
-  void PassOptionalAny(JSContext*, JS::Handle<JS::Value>);
-  void PassAnyDefaultNull(JSContext*, JS::Handle<JS::Value>);
-  void PassSequenceOfAny(JSContext*, const Sequence<JS::Value>&);
-  void PassNullableSequenceOfAny(JSContext*, const Nullable<Sequence<JS::Value> >&);
-  void PassOptionalSequenceOfAny(JSContext*, const Optional<Sequence<JS::Value> >&);
-  void PassOptionalNullableSequenceOfAny(JSContext*, const Optional<Nullable<Sequence<JS::Value> > >&);
-  void PassOptionalSequenceOfAnyWithDefaultValue(JSContext*, const Nullable<Sequence<JS::Value> >&);
-  void PassSequenceOfSequenceOfAny(JSContext*, const Sequence<Sequence<JS::Value> >&);
-  void PassSequenceOfNullableSequenceOfAny(JSContext*, const Sequence<Nullable<Sequence<JS::Value> > >&);
-  void PassNullableSequenceOfNullableSequenceOfAny(JSContext*, const Nullable<Sequence<Nullable<Sequence<JS::Value> > > >&);
-  void PassOptionalNullableSequenceOfNullableSequenceOfAny(JSContext*, const Optional<Nullable<Sequence<Nullable<Sequence<JS::Value> > > > >&);
-  void PassMozMapOfAny(JSContext*, const MozMap<JS::Value>&);
-  void PassNullableMozMapOfAny(JSContext*, const Nullable<MozMap<JS::Value> >&);
-  void PassOptionalMozMapOfAny(JSContext*, const Optional<MozMap<JS::Value> >&);
-  void PassOptionalNullableMozMapOfAny(JSContext*, const Optional<Nullable<MozMap<JS::Value> > >&);
-  void PassOptionalMozMapOfAnyWithDefaultValue(JSContext*, const Nullable<MozMap<JS::Value> >&);
-  void PassMozMapOfMozMapOfAny(JSContext*, const MozMap<MozMap<JS::Value> >&);
-  void PassMozMapOfNullableMozMapOfAny(JSContext*, const MozMap<Nullable<MozMap<JS::Value> > >&);
-  void PassNullableMozMapOfNullableMozMapOfAny(JSContext*, const Nullable<MozMap<Nullable<MozMap<JS::Value> > > >&);
-  void PassOptionalNullableMozMapOfNullableMozMapOfAny(JSContext*, const Optional<Nullable<MozMap<Nullable<MozMap<JS::Value>>>>>&);
-  void PassOptionalNullableMozMapOfNullableSequenceOfAny(JSContext*, const Optional<Nullable<MozMap<Nullable<Sequence<JS::Value>>>>>&);
-  void PassOptionalNullableSequenceOfNullableMozMapOfAny(JSContext*, const Optional<Nullable<Sequence<Nullable<MozMap<JS::Value>>>>>&);
-  void ReceiveAny(JSContext*, JS::MutableHandle<JS::Value>);
-
-  // object types
-  void PassObject(JSContext*, JS::Handle<JSObject*>);
-  void PassVariadicObject(JSContext*, const Sequence<JSObject*>&);
-  void PassNullableObject(JSContext*, JS::Handle<JSObject*>);
-  void PassVariadicNullableObject(JSContext*, const Sequence<JSObject*>&);
-  void PassOptionalObject(JSContext*, const Optional<JS::Handle<JSObject*> >&);
-  void PassOptionalNullableObject(JSContext*, const Optional<JS::Handle<JSObject*> >&);
-  void PassOptionalNullableObjectWithDefaultValue(JSContext*, JS::Handle<JSObject*>);
-  void PassSequenceOfObject(JSContext*, const Sequence<JSObject*>&);
-  void PassSequenceOfNullableObject(JSContext*, const Sequence<JSObject*>&);
-  void PassNullableSequenceOfObject(JSContext*, const Nullable<Sequence<JSObject*> >&);
-  void PassOptionalNullableSequenceOfNullableSequenceOfObject(JSContext*, const Optional<Nullable<Sequence<Nullable<Sequence<JSObject*> > > > >&);
-  void PassOptionalNullableSequenceOfNullableSequenceOfNullableObject(JSContext*, const Optional<Nullable<Sequence<Nullable<Sequence<JSObject*> > > > >&);
-  void PassMozMapOfObject(JSContext*, const MozMap<JSObject*>&);
-  void ReceiveObject(JSContext*, JS::MutableHandle<JSObject*>);
-  void ReceiveNullableObject(JSContext*, JS::MutableHandle<JSObject*>);
-
-  // Union types
-  void PassUnion(JSContext*, const ObjectOrLong& arg);
-  void PassUnionWithNullable(JSContext* cx, const ObjectOrNullOrLong& arg)
-  {
-    OwningObjectOrLong returnValue;
-    if (arg.IsNull()) {
-    } else if (arg.IsObject()) {
-      JS::Rooted<JSObject*> obj(cx, arg.GetAsObject());
-      JS_GetClass(obj);
-      returnValue.SetAsObject() = obj;
-    } else {
-      int32_t i = arg.GetAsLong();
-      i += 1;
-      returnValue.SetAsLong() = i;
-    }
-  }
-#ifdef DEBUG
-  void PassUnion2(const LongOrBoolean& arg);
-  void PassUnion3(JSContext*, const ObjectOrLongOrBoolean& arg);
-  void PassUnion4(const NodeOrLongOrBoolean& arg);
-  void PassUnion5(JSContext*, const ObjectOrBoolean& arg);
-  void PassUnion6(JSContext*, const ObjectOrString& arg);
-  void PassUnion7(JSContext*, const ObjectOrStringOrLong& arg);
-  void PassUnion8(JSContext*, const ObjectOrStringOrBoolean& arg);
-  void PassUnion9(JSContext*, const ObjectOrStringOrLongOrBoolean& arg);
-  void PassUnion10(const EventInitOrLong& arg);
-  void PassUnion11(JSContext*, const CustomEventInitOrLong& arg);
-  void PassUnion12(const EventInitOrLong& arg);
-  void PassUnion13(JSContext*, const ObjectOrLongOrNull& arg);
-  void PassUnion14(JSContext*, const ObjectOrLongOrNull& arg);
-  void PassUnion15(const LongSequenceOrLong&);
-  void PassUnion16(const Optional<LongSequenceOrLong>&);
-  void PassUnion17(const LongSequenceOrNullOrLong&);
-  void PassUnion18(JSContext*, const ObjectSequenceOrLong&);
-  void PassUnion19(JSContext*, const Optional<ObjectSequenceOrLong>&);
-  void PassUnion20(JSContext*, const ObjectSequenceOrLong&);
-  void PassUnion21(const LongMozMapOrLong&);
-  void PassUnion22(JSContext*, const ObjectMozMapOrLong&);
-  void PassUnion23(const ImageDataSequenceOrLong&);
-  void PassUnion24(const ImageDataOrNullSequenceOrLong&);
-  void PassUnion25(const ImageDataSequenceSequenceOrLong&);
-  void PassUnion26(const ImageDataOrNullSequenceSequenceOrLong&);
-  void PassUnion27(const StringSequenceOrEventInit&);
-  void PassUnion28(const EventInitOrStringSequence&);
-  void PassUnionWithCallback(const EventHandlerNonNullOrNullOrLong& arg);
-  void PassUnionWithByteString(const ByteStringOrLong&);
-  void PassUnionWithMozMap(const StringMozMapOrString&);
-  void PassUnionWithMozMapAndSequence(const StringMozMapOrStringSequence&);
-  void PassUnionWithSequenceAndMozMap(const StringSequenceOrStringMozMap&);
-  void PassUnionWithUSVS(const USVStringOrLong&);
-#endif
-  void PassNullableUnion(JSContext*, const Nullable<ObjectOrLong>&);
-  void PassOptionalUnion(JSContext*, const Optional<ObjectOrLong>&);
-  void PassOptionalNullableUnion(JSContext*, const Optional<Nullable<ObjectOrLong> >&);
-  void PassOptionalNullableUnionWithDefaultValue(JSContext*, const Nullable<ObjectOrLong>&);
-  //void PassUnionWithInterfaces(const TestInterfaceOrTestExternalInterface& arg);
-  //void PassUnionWithInterfacesAndNullable(const TestInterfaceOrNullOrTestExternalInterface& arg);
-  void PassUnionWithArrayBuffer(const ArrayBufferOrLong&);
-  void PassUnionWithString(JSContext*, const StringOrObject&);
-  void PassUnionWithEnum(JSContext*, const SupportedTypeOrObject&);
-  //void PassUnionWithCallback(JSContext*, const TestCallbackOrLong&);
-  void PassUnionWithObject(JSContext*, const ObjectOrLong&);
-
-  void PassUnionWithDefaultValue1(const DoubleOrString& arg);
-  void PassUnionWithDefaultValue2(const DoubleOrString& arg);
-  void PassUnionWithDefaultValue3(const DoubleOrString& arg);
-  void PassUnionWithDefaultValue4(const FloatOrString& arg);
-  void PassUnionWithDefaultValue5(const FloatOrString& arg);
-  void PassUnionWithDefaultValue6(const FloatOrString& arg);
-  void PassUnionWithDefaultValue7(const UnrestrictedDoubleOrString& arg);
-  void PassUnionWithDefaultValue8(const UnrestrictedDoubleOrString& arg);
-  void PassUnionWithDefaultValue9(const UnrestrictedDoubleOrString& arg);
-  void PassUnionWithDefaultValue10(const UnrestrictedDoubleOrString& arg);
-  void PassUnionWithDefaultValue11(const UnrestrictedFloatOrString& arg);
-  void PassUnionWithDefaultValue12(const UnrestrictedFloatOrString& arg);
-  void PassUnionWithDefaultValue13(const UnrestrictedFloatOrString& arg);
-  void PassUnionWithDefaultValue14(const DoubleOrByteString& arg);
-  void PassUnionWithDefaultValue15(const DoubleOrByteString& arg);
-  void PassUnionWithDefaultValue16(const DoubleOrByteString& arg);
-  void PassUnionWithDefaultValue17(const DoubleOrSupportedType& arg);
-  void PassUnionWithDefaultValue18(const DoubleOrSupportedType& arg);
-  void PassUnionWithDefaultValue19(const DoubleOrSupportedType& arg);
-
-  void PassNullableUnionWithDefaultValue1(const Nullable<DoubleOrString>& arg);
-  void PassNullableUnionWithDefaultValue2(const Nullable<DoubleOrString>& arg);
-  void PassNullableUnionWithDefaultValue3(const Nullable<DoubleOrString>& arg);
-  void PassNullableUnionWithDefaultValue4(const Nullable<FloatOrString>& arg);
-  void PassNullableUnionWithDefaultValue5(const Nullable<FloatOrString>& arg);
-  void PassNullableUnionWithDefaultValue6(const Nullable<FloatOrString>& arg);
-  void PassNullableUnionWithDefaultValue7(const Nullable<UnrestrictedDoubleOrString>& arg);
-  void PassNullableUnionWithDefaultValue8(const Nullable<UnrestrictedDoubleOrString>& arg);
-  void PassNullableUnionWithDefaultValue9(const Nullable<UnrestrictedDoubleOrString>& arg);
-  void PassNullableUnionWithDefaultValue10(const Nullable<UnrestrictedFloatOrString>& arg);
-  void PassNullableUnionWithDefaultValue11(const Nullable<UnrestrictedFloatOrString>& arg);
-  void PassNullableUnionWithDefaultValue12(const Nullable<UnrestrictedFloatOrString>& arg);
-  void PassNullableUnionWithDefaultValue13(const Nullable<DoubleOrByteString>& arg);
-  void PassNullableUnionWithDefaultValue14(const Nullable<DoubleOrByteString>& arg);
-  void PassNullableUnionWithDefaultValue15(const Nullable<DoubleOrByteString>& arg);
-  void PassNullableUnionWithDefaultValue16(const Nullable<DoubleOrByteString>& arg);
-  void PassNullableUnionWithDefaultValue17(const Nullable<DoubleOrSupportedType>& arg);
-  void PassNullableUnionWithDefaultValue18(const Nullable<DoubleOrSupportedType>& arg);
-  void PassNullableUnionWithDefaultValue19(const Nullable<DoubleOrSupportedType>& arg);
-  void PassNullableUnionWithDefaultValue20(const Nullable<DoubleOrSupportedType>& arg);
-
-  void PassSequenceOfUnions(const Sequence<OwningCanvasPatternOrCanvasGradient>&);
-  void PassSequenceOfUnions2(JSContext*, const Sequence<OwningObjectOrLong>&);
-  void PassVariadicUnion(const Sequence<OwningCanvasPatternOrCanvasGradient>&);
-
-  void PassSequenceOfNullableUnions(const Sequence<Nullable<OwningCanvasPatternOrCanvasGradient>>&);
-  void PassVariadicNullableUnion(const Sequence<Nullable<OwningCanvasPatternOrCanvasGradient>>&);
-  void PassMozMapOfUnions(const MozMap<OwningCanvasPatternOrCanvasGradient>&);
-  void PassMozMapOfUnions2(JSContext*, const MozMap<OwningObjectOrLong>&);
-
-  void ReceiveUnion(OwningCanvasPatternOrCanvasGradient&);
-  void ReceiveUnion2(JSContext*, OwningObjectOrLong&);
-  void ReceiveUnionContainingNull(OwningCanvasPatternOrNullOrCanvasGradient&);
-  void ReceiveNullableUnion(Nullable<OwningCanvasPatternOrCanvasGradient>&);
-  void ReceiveNullableUnion2(JSContext*, Nullable<OwningObjectOrLong>&);
-  void GetWritableUnion(OwningCanvasPatternOrCanvasGradient&);
-  void SetWritableUnion(const CanvasPatternOrCanvasGradient&);
-  void GetWritableUnionContainingNull(OwningCanvasPatternOrNullOrCanvasGradient&);
-  void SetWritableUnionContainingNull(const CanvasPatternOrNullOrCanvasGradient&);
-  void GetWritableNullableUnion(Nullable<OwningCanvasPatternOrCanvasGradient>&);
-  void SetWritableNullableUnion(const Nullable<CanvasPatternOrCanvasGradient>&);
-
-  // Date types
-  void PassDate(Date);
-  void PassNullableDate(const Nullable<Date>&);
-  void PassOptionalDate(const Optional<Date>&);
-  void PassOptionalNullableDate(const Optional<Nullable<Date> >&);
-  void PassOptionalNullableDateWithDefaultValue(const Nullable<Date>&);
-  void PassDateSequence(const Sequence<Date>&);
-  void PassDateMozMap(const MozMap<Date>&);
-  void PassNullableDateSequence(const Sequence<Nullable<Date> >&);
-  Date ReceiveDate();
-  Nullable<Date> ReceiveNullableDate();
-
-  // Promise types
-  void PassPromise(Promise&);
-  void PassNullablePromise(Promise*);
-  void PassOptionalPromise(const Optional<OwningNonNull<Promise>>&);
-  void PassOptionalNullablePromise(const Optional<RefPtr<Promise>>&);
-  void PassOptionalNullablePromiseWithDefaultValue(Promise*);
-  void PassPromiseSequence(const Sequence<OwningNonNull<Promise>>&);
-  void PassPromiseMozMap(const MozMap<RefPtr<Promise>>&);
-  void PassNullablePromiseSequence(const Sequence<RefPtr<Promise>> &);
-  Promise* ReceivePromise();
-  already_AddRefed<Promise> ReceiveAddrefedPromise();
-
-  // binaryNames tests
-  void MethodRenamedTo();
-  void OtherMethodRenamedTo();
-  void MethodRenamedTo(int8_t);
-  int8_t AttributeGetterRenamedTo();
-  int8_t AttributeRenamedTo();
-  void SetAttributeRenamedTo(int8_t);
-  int8_t OtherAttributeRenamedTo();
-  void SetOtherAttributeRenamedTo(int8_t);
-
-  // Dictionary tests
-  void PassDictionary(JSContext*, const Dict&);
-  void PassDictionary2(JSContext*, const Dict&);
-  void GetReadonlyDictionary(JSContext*, Dict&);
-  void GetReadonlyNullableDictionary(JSContext*, Nullable<Dict>&);
-  void GetWritableDictionary(JSContext*, Dict&);
-  void SetWritableDictionary(JSContext*, const Dict&);
-  void GetReadonlyFrozenDictionary(JSContext*, Dict&);
-  void GetReadonlyFrozenNullableDictionary(JSContext*, Nullable<Dict>&);
-  void GetWritableFrozenDictionary(JSContext*, Dict&);
-  void SetWritableFrozenDictionary(JSContext*, const Dict&);
-  void ReceiveDictionary(JSContext*, Dict&);
-  void ReceiveNullableDictionary(JSContext*, Nullable<Dict>&);
-  void PassOtherDictionary(const GrandparentDict&);
-  void PassSequenceOfDictionaries(JSContext*, const Sequence<Dict>&);
-  void PassMozMapOfDictionaries(const MozMap<GrandparentDict>&);
-  void PassDictionaryOrLong(JSContext*, const Dict&);
-  void PassDictionaryOrLong(int32_t);
-  void PassDictContainingDict(JSContext*, const DictContainingDict&);
-  void PassDictContainingSequence(JSContext*, const DictContainingSequence&);
-  void ReceiveDictContainingSequence(JSContext*, DictContainingSequence&);
-  void PassVariadicDictionary(JSContext*, const Sequence<Dict>&);
-
-  // Typedefs
-  void ExerciseTypedefInterfaces1(TestInterface&);
-  already_AddRefed<TestInterface> ExerciseTypedefInterfaces2(TestInterface*);
-  void ExerciseTypedefInterfaces3(TestInterface&);
-
-  // Deprecated methods and attributes
-  int8_t DeprecatedAttribute();
-  int8_t SetDeprecatedAttribute(int8_t);
-  int8_t DeprecatedMethod();
-  int8_t DeprecatedMethodWithContext(JSContext*, const JS::Value&);
-
-  // Static methods and attributes
-  static void StaticMethod(const GlobalObject&, bool);
-  static void StaticMethodWithContext(const GlobalObject&, const JS::Value&);
-  static bool StaticAttribute(const GlobalObject&);
-  static void SetStaticAttribute(const GlobalObject&, bool);
-  static void Assert(const GlobalObject&, bool);
-
-  // Deprecated static methods and attributes
-  static int8_t StaticDeprecatedAttribute(const GlobalObject&);
-  static int8_t SetStaticDeprecatedAttribute(const GlobalObject&, int8_t);
-  static int8_t StaticDeprecatedMethod(const GlobalObject&);
-  static int8_t StaticDeprecatedMethodWithContext(const GlobalObject&, const JS::Value&);
-
-  // Overload resolution tests
-  bool Overload1(TestInterface&);
-  TestInterface* Overload1(const nsAString&, TestInterface&);
-  void Overload2(TestInterface&);
-  void Overload2(JSContext*, const Dict&);
-  void Overload2(bool);
-  void Overload2(const nsAString&);
-  void Overload2(Date);
-  void Overload3(TestInterface&);
-  void Overload3(const TestCallback&);
-  void Overload3(bool);
-  void Overload4(TestInterface&);
-  void Overload4(TestCallbackInterface&);
-  void Overload4(const nsAString&);
-  void Overload5(int32_t);
-  void Overload5(TestEnum);
-  void Overload6(int32_t);
-  void Overload6(bool);
-  void Overload7(int32_t);
-  void Overload7(bool);
-  void Overload7(const nsCString&);
-  void Overload8(int32_t);
-  void Overload8(TestInterface&);
-  void Overload9(const Nullable<int32_t>&);
-  void Overload9(const nsAString&);
-  void Overload10(const Nullable<int32_t>&);
-  void Overload10(JSContext*, JS::Handle<JSObject*>);
-  void Overload11(int32_t);
-  void Overload11(const nsAString&);
-  void Overload12(int32_t);
-  void Overload12(const Nullable<bool>&);
-  void Overload13(const Nullable<int32_t>&);
-  void Overload13(bool);
-  void Overload14(const Optional<int32_t>&);
-  void Overload14(TestInterface&);
-  void Overload15(int32_t);
-  void Overload15(const Optional<NonNull<TestInterface> >&);
-  void Overload16(int32_t);
-  void Overload16(const Optional<TestInterface*>&);
-  void Overload17(const Sequence<int32_t>&);
-  void Overload17(const MozMap<int32_t>&);
-  void Overload18(const MozMap<nsString>&);
-  void Overload18(const Sequence<nsString>&);
-  void Overload19(const Sequence<int32_t>&);
-  void Overload19(JSContext*, const Dict&);
-  void Overload20(JSContext*, const Dict&);
-  void Overload20(const Sequence<int32_t>&);
-  
-  // Variadic handling
-  void PassVariadicThirdArg(const nsAString&, int32_t,
-                            const Sequence<OwningNonNull<TestInterface> >&);
-
-  // Conditionally exposed methods/attributes
-  bool Prefable1();
-  bool Prefable2();
-  bool Prefable3();
-  bool Prefable4();
-  bool Prefable5();
-  bool Prefable6();
-  bool Prefable7();
-  bool Prefable8();
-  bool Prefable9();
-  void Prefable10();
-  void Prefable11();
-  bool Prefable12();
-  void Prefable13();
-  bool Prefable14();
-  bool Prefable15();
-  bool Prefable16();
-  void Prefable17();
-  void Prefable18();
-  void Prefable19();
-  void Prefable20();
-  void Prefable21();
-  void Prefable22();
-  void Prefable23();
-  void Prefable24();
-
-  // Conditionally exposed methods/attributes involving [SecureContext]
-  bool ConditionalOnSecureContext1();
-  bool ConditionalOnSecureContext2();
-  bool ConditionalOnSecureContext3();
-  bool ConditionalOnSecureContext4();
-  void ConditionalOnSecureContext5();
-  void ConditionalOnSecureContext6();
-  void ConditionalOnSecureContext7();
-  void ConditionalOnSecureContext8();
-
-  // Miscellania
-  int32_t AttrWithLenientThis();
-  void SetAttrWithLenientThis(int32_t);
-  uint32_t UnforgeableAttr();
-  uint32_t UnforgeableAttr2();
-  uint32_t UnforgeableMethod();
-  uint32_t UnforgeableMethod2();
-  void Stringify(nsString&);
-  void PassRenamedInterface(nsRenamedInterface&);
-  TestInterface* PutForwardsAttr();
-  TestInterface* PutForwardsAttr2();
-  TestInterface* PutForwardsAttr3();
-  void GetJsonifierShouldSkipThis(JSContext*, JS::MutableHandle<JS::Value>);
-  void SetJsonifierShouldSkipThis(JSContext*, JS::Rooted<JS::Value>&);
-  TestParentInterface* JsonifierShouldSkipThis2();
-  void SetJsonifierShouldSkipThis2(TestParentInterface&);
-  TestCallbackInterface* JsonifierShouldSkipThis3();
-  void SetJsonifierShouldSkipThis3(TestCallbackInterface&);
-  void ThrowingMethod(ErrorResult& aRv);
-  bool GetThrowingAttr(ErrorResult& aRv) const;
-  void SetThrowingAttr(bool arg, ErrorResult& aRv);
-  bool GetThrowingGetterAttr(ErrorResult& aRv) const;
-  void SetThrowingGetterAttr(bool arg);
-  bool ThrowingSetterAttr() const;
-  void SetThrowingSetterAttr(bool arg, ErrorResult& aRv);
-  void NeedsSubjectPrincipalMethod(nsIPrincipal&);
-  bool NeedsSubjectPrincipalAttr(nsIPrincipal&);
-  void SetNeedsSubjectPrincipalAttr(bool, nsIPrincipal&);
-  void NeedsCallerTypeMethod(CallerType);
-  bool NeedsCallerTypeAttr(CallerType);
-  void SetNeedsCallerTypeAttr(bool, CallerType);
-  void CeReactionsMethod();
-  void CeReactionsMethodOverload();
-  void CeReactionsMethodOverload(const nsAString&);
-  bool CeReactionsAttr() const;
-  void SetCeReactionsAttr(bool);
-  int16_t LegacyCall(const JS::Value&, uint32_t, TestInterface&);
-  void PassArgsWithDefaults(JSContext*, const Optional<int32_t>&,
-                            TestInterface*, const Dict&, double,
-                            const Optional<float>&);
-
-  void SetDashed_attribute(int8_t);
-  int8_t Dashed_attribute();
-  void Dashed_method();
-
-  // Methods and properties imported via "implements"
-  bool ImplementedProperty();
-  void SetImplementedProperty(bool);
-  void ImplementedMethod();
-  bool ImplementedParentProperty();
-  void SetImplementedParentProperty(bool);
-  void ImplementedParentMethod();
-  bool IndirectlyImplementedProperty();
-  void SetIndirectlyImplementedProperty(bool);
-  void IndirectlyImplementedMethod();
-  uint32_t DiamondImplementedProperty();
-
-  // Test EnforceRange/Clamp
-  void DontEnforceRangeOrClamp(int8_t);
-  void DoEnforceRange(int8_t);
-  void DoClamp(int8_t);
-  void SetEnforcedByte(int8_t);
-  int8_t EnforcedByte();
-  void SetClampedByte(int8_t);
-  int8_t ClampedByte();
-
-private:
-  // We add signatures here that _could_ start matching if the codegen
-  // got data types wrong.  That way if it ever does we'll have a call
-  // to these private deleted methods and compilation will fail.
-  void SetReadonlyByte(int8_t) = delete;
-  template<typename T>
-  void SetWritableByte(T) = delete;
-  template<typename T>
-  void PassByte(T) = delete;
-  void PassNullableByte(Nullable<int8_t>&) = delete;
-  template<typename T>
-  void PassOptionalByte(const Optional<T>&) = delete;
-  template<typename T>
-  void PassOptionalByteWithDefault(T) = delete;
-  void PassVariadicByte(Sequence<int8_t>&) = delete;
-
-  void SetReadonlyShort(int16_t) = delete;
-  template<typename T>
-  void SetWritableShort(T) = delete;
-  template<typename T>
-  void PassShort(T) = delete;
-  template<typename T>
-  void PassOptionalShort(const Optional<T>&) = delete;
-  template<typename T>
-  void PassOptionalShortWithDefault(T) = delete;
-
-  void SetReadonlyLong(int32_t) = delete;
-  template<typename T>
-  void SetWritableLong(T) = delete;
-  template<typename T>
-  void PassLong(T) = delete;
-  template<typename T>
-  void PassOptionalLong(const Optional<T>&) = delete;
-  template<typename T>
-  void PassOptionalLongWithDefault(T) = delete;
-
-  void SetReadonlyLongLong(int64_t) = delete;
-  template<typename T>
-  void SetWritableLongLong(T) = delete;
-  template<typename T>
-  void PassLongLong(T) = delete;
-  template<typename T>
-  void PassOptionalLongLong(const Optional<T>&) = delete;
-  template<typename T>
-  void PassOptionalLongLongWithDefault(T) = delete;
-
-  void SetReadonlyOctet(uint8_t) = delete;
-  template<typename T>
-  void SetWritableOctet(T) = delete;
-  template<typename T>
-  void PassOctet(T) = delete;
-  template<typename T>
-  void PassOptionalOctet(const Optional<T>&) = delete;
-  template<typename T>
-  void PassOptionalOctetWithDefault(T) = delete;
-
-  void SetReadonlyUnsignedShort(uint16_t) = delete;
-  template<typename T>
-  void SetWritableUnsignedShort(T) = delete;
-  template<typename T>
-  void PassUnsignedShort(T) = delete;
-  template<typename T>
-  void PassOptionalUnsignedShort(const Optional<T>&) = delete;
-  template<typename T>
-  void PassOptionalUnsignedShortWithDefault(T) = delete;
-
-  void SetReadonlyUnsignedLong(uint32_t) = delete;
-  template<typename T>
-  void SetWritableUnsignedLong(T) = delete;
-  template<typename T>
-  void PassUnsignedLong(T) = delete;
-  template<typename T>
-  void PassOptionalUnsignedLong(const Optional<T>&) = delete;
-  template<typename T>
-  void PassOptionalUnsignedLongWithDefault(T) = delete;
-
-  void SetReadonlyUnsignedLongLong(uint64_t) = delete;
-  template<typename T>
-  void SetWritableUnsignedLongLong(T) = delete;
-  template<typename T>
-  void PassUnsignedLongLong(T) = delete;
-  template<typename T>
-  void PassOptionalUnsignedLongLong(const Optional<T>&) = delete;
-  template<typename T>
-  void PassOptionalUnsignedLongLongWithDefault(T) = delete;
-
-  // Enforce that only const things are passed for sequences
-  void PassSequence(Sequence<int32_t> &) = delete;
-  void PassNullableSequence(Nullable< Sequence<int32_t> >&) = delete;
-  void PassOptionalNullableSequenceWithDefaultValue(Nullable< Sequence<int32_t> >&) = delete;
-  void PassSequenceOfAny(JSContext*, Sequence<JS::Value>&) = delete;
-  void PassNullableSequenceOfAny(JSContext*, Nullable<Sequence<JS::Value> >&) = delete;
-  void PassOptionalSequenceOfAny(JSContext*, Optional<Sequence<JS::Value> >&) = delete;
-  void PassOptionalNullableSequenceOfAny(JSContext*, Optional<Nullable<Sequence<JS::Value> > >&) = delete;
-  void PassOptionalSequenceOfAnyWithDefaultValue(JSContext*, Nullable<Sequence<JS::Value> >&) = delete;
-  void PassSequenceOfSequenceOfAny(JSContext*, Sequence<Sequence<JS::Value> >&) = delete;
-  void PassSequenceOfNullableSequenceOfAny(JSContext*, Sequence<Nullable<Sequence<JS::Value> > >&) = delete;
-  void PassNullableSequenceOfNullableSequenceOfAny(JSContext*, Nullable<Sequence<Nullable<Sequence<JS::Value> > > >&) = delete;
-  void PassOptionalNullableSequenceOfNullableSequenceOfAny(JSContext*, Optional<Nullable<Sequence<Nullable<Sequence<JS::Value> > > > >&) = delete;
-  void PassSequenceOfObject(JSContext*, Sequence<JSObject*>&) = delete;
-  void PassSequenceOfNullableObject(JSContext*, Sequence<JSObject*>&) = delete;
-  void PassOptionalNullableSequenceOfNullableSequenceOfObject(JSContext*, Optional<Nullable<Sequence<Nullable<Sequence<JSObject*> > > > >&) = delete;
-  void PassOptionalNullableSequenceOfNullableSequenceOfNullableObject(JSContext*, Optional<Nullable<Sequence<Nullable<Sequence<JSObject*> > > > >&) = delete;
-
-  // Enforce that only const things are passed for optional
-  void PassOptionalByte(Optional<int8_t>&) = delete;
-  void PassOptionalNullableByte(Optional<Nullable<int8_t> >&) = delete;
-  void PassOptionalShort(Optional<int16_t>&) = delete;
-  void PassOptionalLong(Optional<int32_t>&) = delete;
-  void PassOptionalLongLong(Optional<int64_t>&) = delete;
-  void PassOptionalOctet(Optional<uint8_t>&) = delete;
-  void PassOptionalUnsignedShort(Optional<uint16_t>&) = delete;
-  void PassOptionalUnsignedLong(Optional<uint32_t>&) = delete;
-  void PassOptionalUnsignedLongLong(Optional<uint64_t>&) = delete;
-  void PassOptionalSelf(Optional<TestInterface*> &) = delete;
-  void PassOptionalNonNullSelf(Optional<NonNull<TestInterface> >&) = delete;
-  void PassOptionalOther(Optional<IndirectlyImplementedInterface*>&);
-  void PassOptionalNonNullOther(Optional<NonNull<IndirectlyImplementedInterface> >&);
-  void PassOptionalExternal(Optional<TestExternalInterface*>&) = delete;
-  void PassOptionalNonNullExternal(Optional<TestExternalInterface*>&) = delete;
-  void PassOptionalSequence(Optional<Sequence<int32_t> >&) = delete;
-  void PassOptionalNullableSequence(Optional<Nullable<Sequence<int32_t> > >&) = delete;
-  void PassOptionalObjectSequence(Optional<Sequence<OwningNonNull<TestInterface> > >&) = delete;
-  void PassOptionalArrayBuffer(Optional<ArrayBuffer>&) = delete;
-  void PassOptionalNullableArrayBuffer(Optional<ArrayBuffer*>&) = delete;
-  void PassOptionalEnum(Optional<TestEnum>&) = delete;
-  void PassOptionalCallback(JSContext*, Optional<OwningNonNull<TestCallback> >&) = delete;
-  void PassOptionalNullableCallback(JSContext*, Optional<RefPtr<TestCallback> >&) = delete;
-  void PassOptionalAny(Optional<JS::Handle<JS::Value> >&) = delete;
-
-  // And test that string stuff is always const
-  void PassString(nsAString&) = delete;
-  void PassNullableString(nsAString&) = delete;
-  void PassOptionalString(Optional<nsAString>&) = delete;
-  void PassOptionalStringWithDefaultValue(nsAString&) = delete;
-  void PassOptionalNullableString(Optional<nsAString>&) = delete;
-  void PassOptionalNullableStringWithDefaultValue(nsAString&) = delete;
-  void PassVariadicString(Sequence<nsString>&) = delete;
-
-  // cstrings should be const as well
-  void PassByteString(nsCString&) = delete;
-  void PassNullableByteString(nsCString&) = delete;
-  void PassOptionalByteString(Optional<nsCString>&) = delete;
-  void PassOptionalByteStringWithDefaultValue(nsCString&) = delete;
-  void PassOptionalNullableByteString(Optional<nsCString>&) = delete;
-  void PassOptionalNullableByteStringWithDefaultValue(nsCString&) = delete;
-  void PassVariadicByteString(Sequence<nsCString>&) = delete;
-
-  // Make sure dictionary arguments are always const
-  void PassDictionary(JSContext*, Dict&) = delete;
-  void PassOtherDictionary(GrandparentDict&) = delete;
-  void PassSequenceOfDictionaries(JSContext*, Sequence<Dict>&) = delete;
-  void PassDictionaryOrLong(JSContext*, Dict&) = delete;
-  void PassDictContainingDict(JSContext*, DictContainingDict&) = delete;
-  void PassDictContainingSequence(DictContainingSequence&) = delete;
-
-  // Make sure various nullable things are always const
-  void PassNullableEnum(Nullable<TestEnum>&) = delete;
-
-  // Make sure unions are always const
-  void PassUnion(JSContext*, ObjectOrLong& arg) = delete;
-  void PassUnionWithNullable(JSContext*, ObjectOrNullOrLong& arg) = delete;
-  void PassNullableUnion(JSContext*, Nullable<ObjectOrLong>&) = delete;
-  void PassOptionalUnion(JSContext*, Optional<ObjectOrLong>&) = delete;
-  void PassOptionalNullableUnion(JSContext*, Optional<Nullable<ObjectOrLong> >&) = delete;
-  void PassOptionalNullableUnionWithDefaultValue(JSContext*, Nullable<ObjectOrLong>&) = delete;
-
-  // Make sure various date stuff is const as needed
-  void PassNullableDate(Nullable<Date>&) = delete;
-  void PassOptionalDate(Optional<Date>&) = delete;
-  void PassOptionalNullableDate(Optional<Nullable<Date> >&) = delete;
-  void PassOptionalNullableDateWithDefaultValue(Nullable<Date>&) = delete;
-  void PassDateSequence(Sequence<Date>&) = delete;
-  void PassNullableDateSequence(Sequence<Nullable<Date> >&) = delete;
-
-  // Make sure variadics are const as needed
-  void PassVariadicAny(JSContext*, Sequence<JS::Value>&) = delete;
-  void PassVariadicObject(JSContext*, Sequence<JSObject*>&) = delete;
-  void PassVariadicNullableObject(JSContext*, Sequence<JSObject*>&) = delete;
-
-  // Ensure NonNull does not leak in
-  void PassSelf(NonNull<TestInterface>&) = delete;
-  void PassSelf(OwningNonNull<TestInterface>&) = delete;
-  void PassSelf(const NonNull<TestInterface>&) = delete;
-  void PassSelf(const OwningNonNull<TestInterface>&) = delete;
-  void PassOther(NonNull<IndirectlyImplementedInterface>&) = delete;
-  void PassOther(const NonNull<IndirectlyImplementedInterface>&) = delete;
-  void PassOther(OwningNonNull<IndirectlyImplementedInterface>&) = delete;
-  void PassOther(const OwningNonNull<IndirectlyImplementedInterface>&) = delete;
-  void PassCallbackInterface(OwningNonNull<TestCallbackInterface>&) = delete;
-  void PassCallbackInterface(const OwningNonNull<TestCallbackInterface>&) = delete;
-  void PassCallbackInterface(NonNull<TestCallbackInterface>&) = delete;
-  void PassCallbackInterface(const NonNull<TestCallbackInterface>&) = delete;
-  void PassCallback(OwningNonNull<TestCallback>&) = delete;
-  void PassCallback(const OwningNonNull<TestCallback>&) = delete;
-  void PassCallback(NonNull<TestCallback>&) = delete;
-  void PassCallback(const NonNull<TestCallback>&) = delete;
-  void PassString(const NonNull<nsAString>&) = delete;
-  void PassString(NonNull<nsAString>&) = delete;
-  void PassString(const OwningNonNull<nsAString>&) = delete;
-  void PassString(OwningNonNull<nsAString>&) = delete;
-};
-
-class TestIndexedGetterInterface : public nsISupports,
-                                   public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  // We need a GetParentObject to make binding codegen happy
-  virtual nsISupports* GetParentObject();
-
-  uint32_t IndexedGetter(uint32_t, bool&);
-  uint32_t IndexedGetter(uint32_t&) = delete;
-  uint32_t Item(uint32_t&);
-  uint32_t Item(uint32_t, bool&) = delete;
-  uint32_t Length();
-  void LegacyCall(JS::Handle<JS::Value>);
-};
-
-class TestNamedGetterInterface : public nsISupports,
-                                 public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  // We need a GetParentObject to make binding codegen happy
-  virtual nsISupports* GetParentObject();
-
-  void NamedGetter(const nsAString&, bool&, nsAString&);
-  void GetSupportedNames(nsTArray<nsString>&);
-};
-
-class TestIndexedGetterAndSetterAndNamedGetterInterface : public nsISupports,
-                                                          public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  // We need a GetParentObject to make binding codegen happy
-  virtual nsISupports* GetParentObject();
-
-  void NamedGetter(const nsAString&, bool&, nsAString&);
-  void GetSupportedNames(nsTArray<nsString>&);
-  int32_t IndexedGetter(uint32_t, bool&);
-  void IndexedSetter(uint32_t, int32_t);
-  uint32_t Length();
-};
-
-class TestIndexedAndNamedGetterInterface : public nsISupports,
-                                           public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  // We need a GetParentObject to make binding codegen happy
-  virtual nsISupports* GetParentObject();
-
-  uint32_t IndexedGetter(uint32_t, bool&);
-  void NamedGetter(const nsAString&, bool&, nsAString&);
-  void NamedItem(const nsAString&, nsAString&);
-  uint32_t Length();
-  void GetSupportedNames(nsTArray<nsString>&);
-};
-
-class TestIndexedSetterInterface : public nsISupports,
-                                   public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  // We need a GetParentObject to make binding codegen happy
-  virtual nsISupports* GetParentObject();
-
-  void IndexedSetter(uint32_t, const nsAString&);
-  void IndexedGetter(uint32_t, bool&, nsString&);
-  uint32_t Length();
-  void SetItem(uint32_t, const nsAString&);
-};
-
-class TestNamedSetterInterface : public nsISupports,
-                                 public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  // We need a GetParentObject to make binding codegen happy
-  virtual nsISupports* GetParentObject();
-
-  void NamedSetter(const nsAString&, TestIndexedSetterInterface&);
-  TestIndexedSetterInterface* NamedGetter(const nsAString&, bool&);
-  void GetSupportedNames(nsTArray<nsString>&);
-};
-
-class TestIndexedAndNamedSetterInterface : public nsISupports,
-                                           public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  // We need a GetParentObject to make binding codegen happy
-  virtual nsISupports* GetParentObject();
-
-  void IndexedSetter(uint32_t, TestIndexedSetterInterface&);
-  TestIndexedSetterInterface* IndexedGetter(uint32_t, bool&);
-  uint32_t Length();
-  void NamedSetter(const nsAString&, TestIndexedSetterInterface&);
-  TestIndexedSetterInterface* NamedGetter(const nsAString&, bool&);
-  void SetNamedItem(const nsAString&, TestIndexedSetterInterface&);
-  void GetSupportedNames(nsTArray<nsString>&);
-};
-
-class TestIndexedAndNamedGetterAndSetterInterface : public TestIndexedSetterInterface
-{
-public:
-  uint32_t IndexedGetter(uint32_t, bool&);
-  uint32_t Item(uint32_t);
-  void NamedGetter(const nsAString&, bool&, nsAString&);
-  void NamedItem(const nsAString&, nsAString&);
-  void IndexedSetter(uint32_t, int32_t&);
-  void IndexedSetter(uint32_t, const nsAString&) = delete;
-  void NamedSetter(const nsAString&, const nsAString&);
-  void Stringify(nsAString&);
-  uint32_t Length();
-  void GetSupportedNames(nsTArray<nsString>&);
-};
-
-class TestCppKeywordNamedMethodsInterface : public nsISupports,
-                                            public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  // We need a GetParentObject to make binding codegen happy
-  virtual nsISupports* GetParentObject();
-
-  bool Continue();
-  bool Delete();
-  int32_t Volatile();
-};
-
-class TestNamedDeleterInterface : public nsISupports,
-                                  public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  // We need a GetParentObject to make binding codegen happy
-  virtual nsISupports* GetParentObject();
-
-  void NamedDeleter(const nsAString&, bool&);
-  long NamedGetter(const nsAString&, bool&);
-  void GetSupportedNames(nsTArray<nsString>&);
-};
-
-class TestNamedDeleterWithRetvalInterface : public nsISupports,
-                                            public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  // We need a GetParentObject to make binding codegen happy
-  virtual nsISupports* GetParentObject();
-
-  bool NamedDeleter(const nsAString&, bool&);
-  bool NamedDeleter(const nsAString&) = delete;
-  long NamedGetter(const nsAString&, bool&);
-  bool DelNamedItem(const nsAString&);
-  bool DelNamedItem(const nsAString&, bool&) = delete;
-  void GetSupportedNames(nsTArray<nsString>&);
-};
-
-class TestParentInterface : public nsISupports,
-                            public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  // We need a GetParentObject to make binding codegen happy
-  virtual nsISupports* GetParentObject();
-};
-
-class TestChildInterface : public TestParentInterface
-{
-};
-
-class TestDeprecatedInterface : public nsISupports, public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  static
-  already_AddRefed<TestDeprecatedInterface>
-    Constructor(const GlobalObject&, ErrorResult&);
-
-  static void AlsoDeprecated(const GlobalObject&);
-
-  virtual nsISupports* GetParentObject();
-};
-
-class TestInterfaceWithPromiseConstructorArg : public nsISupports, public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  static
-  already_AddRefed<TestInterfaceWithPromiseConstructorArg>
-    Constructor(const GlobalObject&, Promise&, ErrorResult&);
-
-  virtual nsISupports* GetParentObject();
-};
-
-class TestSecureContextInterface : public nsISupports, public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  static
-  already_AddRefed<TestSecureContextInterface>
-    Constructor(const GlobalObject&, ErrorResult&);
-
-  static void AlsoSecureContext(const GlobalObject&);
-
-  virtual nsISupports* GetParentObject();
-};
-
-class TestNamespace {
-public:
-  static bool Foo(const GlobalObject&);
-  static int32_t Bar(const GlobalObject&);
-  static void Baz(const GlobalObject&);
-};
-
-class TestRenamedNamespace {
-};
-
-class TestProtoObjectHackedNamespace {
-};
-
-class TestWorkerExposedInterface : public nsISupports,
-                                   public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  // We need a GetParentObject to make binding codegen happy
-  nsISupports* GetParentObject();
-
-  void NeedsSubjectPrincipalMethod(Maybe<nsIPrincipal*>);
-  bool NeedsSubjectPrincipalAttr(Maybe<nsIPrincipal*>);
-  void SetNeedsSubjectPrincipalAttr(bool, Maybe<nsIPrincipal*>);
-  void NeedsCallerTypeMethod(CallerType);
-  bool NeedsCallerTypeAttr(CallerType);
-  void SetNeedsCallerTypeAttr(bool, CallerType);
-};
-
-class TestHTMLConstructorInterface : public nsGenericHTMLElement
-{
-public:
-  virtual nsISupports* GetParentObject();
-};
-
-class TestCEReactionsInterface : public nsISupports,
-                                 public nsWrapperCache
-{
-public:
-  NS_DECL_ISUPPORTS
-
-  // We need a GetParentObject to make binding codegen happy
-  virtual nsISupports* GetParentObject();
-
-  int32_t Item(uint32_t);
-  uint32_t Length() const;
-  int32_t IndexedGetter(uint32_t, bool &);
-  void IndexedSetter(uint32_t, int32_t);
-  void NamedDeleter(const nsAString&, bool &);
-  void NamedGetter(const nsAString&, bool &, nsString&);
-  void NamedSetter(const nsAString&, const nsAString&);
-  void GetSupportedNames(nsTArray<nsString>&);
-};
-
-} // namespace dom
-} // namespace mozilla
-
-#endif /* TestBindingHeader_h */
diff --git a/dom/bindings/test/TestCImplementedInterface.h b/dom/bindings/test/TestCImplementedInterface.h
deleted file mode 100644
index 64b5c9954..000000000
--- a/dom/bindings/test/TestCImplementedInterface.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=8 sts=2 et sw=2 tw=80: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-
-#ifndef TestCImplementedInterface_h
-#define TestCImplementedInterface_h
-
-#include "../TestJSImplGenBinding.h"
-
-namespace mozilla {
-namespace dom {
-
-class TestCImplementedInterface : public TestJSImplInterface
-{
-public:
-  TestCImplementedInterface(JS::Handle<JSObject*> aJSImpl,
-                            nsIGlobalObject* aParent)
-    : TestJSImplInterface(aJSImpl, aParent)
-  {}
-};
-
-class TestCImplementedInterface2 : public nsISupports,
-                                   public nsWrapperCache
-{
-public:
-  explicit TestCImplementedInterface2(nsIGlobalObject* aParent)
-  {}
-  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
-  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(TestCImplementedInterface2)
-
-  // We need a GetParentObject to make binding codegen happy
-  nsISupports* GetParentObject();
-};
-
-
-
-} // namespace dom
-} // namespace mozilla
-
-#endif // TestCImplementedInterface_h
diff --git a/dom/bindings/test/TestCodeGen.webidl b/dom/bindings/test/TestCodeGen.webidl
deleted file mode 100644
index 3fce5e21b..000000000
--- a/dom/bindings/test/TestCodeGen.webidl
+++ /dev/null
@@ -1,1281 +0,0 @@
-/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-
-typedef long myLong;
-typedef TestInterface AnotherNameForTestInterface;
-typedef TestInterface? NullableTestInterface;
-typedef CustomEventInit TestDictionaryTypedef;
-
-interface TestExternalInterface;
-
-[Pref="xyz"]
-interface TestRenamedInterface {
-};
-
-callback interface TestCallbackInterface {
-  readonly attribute long foo;
-  attribute DOMString bar;
-  void doSomething();
-  long doSomethingElse(DOMString arg, TestInterface otherArg);
-  void doSequenceLongArg(sequence<long> arg);
-  void doSequenceStringArg(sequence<DOMString> arg);
-  void doMozMapLongArg(MozMap<long> arg);
-  sequence<long> getSequenceOfLong();
-  sequence<TestInterface> getSequenceOfInterfaces();
-  sequence<TestInterface>? getNullableSequenceOfInterfaces();
-  sequence<TestInterface?> getSequenceOfNullableInterfaces();
-  sequence<TestInterface?>? getNullableSequenceOfNullableInterfaces();
-  sequence<TestCallbackInterface> getSequenceOfCallbackInterfaces();
-  sequence<TestCallbackInterface>? getNullableSequenceOfCallbackInterfaces();
-  sequence<TestCallbackInterface?> getSequenceOfNullableCallbackInterfaces();
-  sequence<TestCallbackInterface?>? getNullableSequenceOfNullableCallbackInterfaces();
-  MozMap<long> getMozMapOfLong();
-  Dict? getDictionary();
-  void passArrayBuffer(ArrayBuffer arg);
-  void passNullableArrayBuffer(ArrayBuffer? arg);
-  void passOptionalArrayBuffer(optional ArrayBuffer arg);
-  void passOptionalNullableArrayBuffer(optional ArrayBuffer? arg);
-  void passOptionalNullableArrayBufferWithDefaultValue(optional ArrayBuffer? arg= null);
-  void passArrayBufferView(ArrayBufferView arg);
-  void passInt8Array(Int8Array arg);
-  void passInt16Array(Int16Array arg);
-  void passInt32Array(Int32Array arg);
-  void passUint8Array(Uint8Array arg);
-  void passUint16Array(Uint16Array arg);
-  void passUint32Array(Uint32Array arg);
-  void passUint8ClampedArray(Uint8ClampedArray arg);
-  void passFloat32Array(Float32Array arg);
-  void passFloat64Array(Float64Array arg);
-  void passSequenceOfArrayBuffers(sequence<ArrayBuffer> arg);
-  void passSequenceOfNullableArrayBuffers(sequence<ArrayBuffer?> arg);
-  void passVariadicTypedArray(Float32Array... arg);
-  void passVariadicNullableTypedArray(Float32Array?... arg);
-  Uint8Array receiveUint8Array();
-  attribute Uint8Array uint8ArrayAttr;
-  Promise<void> receivePromise();
-};
-
-callback interface TestSingleOperationCallbackInterface {
-  TestInterface doSomething(short arg, sequence<double> anotherArg);
-};
-
-enum TestEnum {
-  "1",
-  "a",
-  "b"
-};
-
-callback TestCallback = void();
-[TreatNonCallableAsNull] callback TestTreatAsNullCallback = void();
-
-// Callback return value tests
-callback TestIntegerReturn = long();
-callback TestNullableIntegerReturn = long?();
-callback TestBooleanReturn = boolean();
-callback TestFloatReturn = float();
-callback TestStringReturn = DOMString(long arg);
-callback TestEnumReturn = TestEnum();
-callback TestInterfaceReturn = TestInterface();
-callback TestNullableInterfaceReturn = TestInterface?();
-callback TestExternalInterfaceReturn = TestExternalInterface();
-callback TestNullableExternalInterfaceReturn = TestExternalInterface?();
-callback TestCallbackInterfaceReturn = TestCallbackInterface();
-callback TestNullableCallbackInterfaceReturn = TestCallbackInterface?();
-callback TestCallbackReturn = TestCallback();
-callback TestNullableCallbackReturn = TestCallback?();
-callback TestObjectReturn = object();
-callback TestNullableObjectReturn = object?();
-callback TestTypedArrayReturn = ArrayBuffer();
-callback TestNullableTypedArrayReturn = ArrayBuffer?();
-callback TestSequenceReturn = sequence<boolean>();
-callback TestNullableSequenceReturn = sequence<boolean>?();
-// Callback argument tests
-callback TestIntegerArguments = sequence<long>(long arg1, long? arg2,
-                                               sequence<long> arg3,
-                                               sequence<long?>? arg4);
-callback TestInterfaceArguments = void(TestInterface arg1, TestInterface? arg2,
-                                       TestExternalInterface arg3,
-                                       TestExternalInterface? arg4,
-                                       TestCallbackInterface arg5,
-                                       TestCallbackInterface? arg6,
-                                       sequence<TestInterface> arg7,
-                                       sequence<TestInterface?>? arg8,
-                                       sequence<TestExternalInterface> arg9,
-                                       sequence<TestExternalInterface?>? arg10,
-                                       sequence<TestCallbackInterface> arg11,
-                                       sequence<TestCallbackInterface?>? arg12);
-callback TestStringEnumArguments = void(DOMString myString, DOMString? nullString,
-                                        TestEnum myEnum);
-callback TestObjectArguments = void(object anObj, object? anotherObj,
-                                    ArrayBuffer buf, ArrayBuffer? buf2);
-callback TestOptionalArguments = void(optional DOMString aString,
-                                      optional object something,
-                                      optional sequence<TestInterface> aSeq,
-                                      optional TestInterface? anInterface,
-                                      optional TestInterface anotherInterface,
-                                      optional long aLong);
-// If you add a new test callback, add it to the forceCallbackGeneration
-// method on TestInterface so it actually gets tested.
-
-TestInterface implements ImplementedInterface;
-
-// This interface is only for use in the constructor below
-interface OnlyForUseInConstructor {
-};
-
-[Constructor,
- Constructor(DOMString str),
- Constructor(unsigned long num, boolean? boolArg),
- Constructor(TestInterface? iface),
- Constructor(long arg1, IndirectlyImplementedInterface iface),
- Constructor(Date arg1),
- Constructor(ArrayBuffer arrayBuf),
- Constructor(Uint8Array typedArr),
- // Constructor(long arg1, long arg2, (TestInterface or OnlyForUseInConstructor) arg3),
- NamedConstructor=Test,
- NamedConstructor=Test(DOMString str),
- NamedConstructor=Test2(DictForConstructor dict, any any1, object obj1,
-                        object? obj2, sequence<Dict> seq, optional any any2,
-                        optional object obj3, optional object? obj4),
- NamedConstructor=Test3((long or MozMap<any>) arg1)
- ]
-interface TestInterface {
-  // Integer types
-  // XXXbz add tests for throwing versions of all the integer stuff
-  readonly attribute byte readonlyByte;
-  attribute byte writableByte;
-  void passByte(byte arg);
-  byte receiveByte();
-  void passOptionalByte(optional byte arg);
-  void passOptionalByteBeforeRequired(optional byte arg1, byte arg2);
-  void passOptionalByteWithDefault(optional byte arg = 0);
-  void passOptionalByteWithDefaultBeforeRequired(optional byte arg1 = 0, byte arg2);
-  void passNullableByte(byte? arg);
-  void passOptionalNullableByte(optional byte? arg);
-  void passVariadicByte(byte... arg);
-  [StoreInSlot, Pure]
-  readonly attribute byte cachedByte;
-  [StoreInSlot, Constant]
-  readonly attribute byte cachedConstantByte;
-  [StoreInSlot, Pure]
-  attribute byte cachedWritableByte;
-  [Affects=Nothing]
-  attribute byte sideEffectFreeByte;
-  [Affects=Nothing, DependsOn=DOMState]
-  attribute byte domDependentByte;
-  [Affects=Nothing, DependsOn=Nothing]
-  readonly attribute byte constantByte;
-  [DependsOn=DeviceState, Affects=Nothing]
-  readonly attribute byte deviceStateDependentByte;
-  [Affects=Nothing]
-  byte returnByteSideEffectFree();
-  [Affects=Nothing, DependsOn=DOMState]
-  byte returnDOMDependentByte();
-  [Affects=Nothing, DependsOn=Nothing]
-  byte returnConstantByte();
-  [DependsOn=DeviceState, Affects=Nothing]
-  byte returnDeviceStateDependentByte();
-
-  [UnsafeInPrerendering]
-  void unsafePrerenderMethod();
-  [UnsafeInPrerendering]
-  attribute long unsafePrerenderWritable;
-  [UnsafeInPrerendering]
-  readonly attribute long unsafePrerenderReadonly;
-  readonly attribute short readonlyShort;
-  attribute short writableShort;
-  void passShort(short arg);
-  short receiveShort();
-  void passOptionalShort(optional short arg);
-  void passOptionalShortWithDefault(optional short arg = 5);
-
-  readonly attribute long readonlyLong;
-  attribute long writableLong;
-  void passLong(long arg);
-  long receiveLong();
-  void passOptionalLong(optional long arg);
-  void passOptionalLongWithDefault(optional long arg = 7);
-
-  readonly attribute long long readonlyLongLong;
-  attribute long long writableLongLong;
-  void passLongLong(long long arg);
-  long long receiveLongLong();
-  void passOptionalLongLong(optional long long arg);
-  void passOptionalLongLongWithDefault(optional long long arg = -12);
-
-  readonly attribute octet readonlyOctet;
-  attribute octet writableOctet;
-  void passOctet(octet arg);
-  octet receiveOctet();
-  void passOptionalOctet(optional octet arg);
-  void passOptionalOctetWithDefault(optional octet arg = 19);
-
-  readonly attribute unsigned short readonlyUnsignedShort;
-  attribute unsigned short writableUnsignedShort;
-  void passUnsignedShort(unsigned short arg);
-  unsigned short receiveUnsignedShort();
-  void passOptionalUnsignedShort(optional unsigned short arg);
-  void passOptionalUnsignedShortWithDefault(optional unsigned short arg = 2);
-
-  readonly attribute unsigned long readonlyUnsignedLong;
-  attribute unsigned long writableUnsignedLong;
-  void passUnsignedLong(unsigned long arg);
-  unsigned long receiveUnsignedLong();
-  void passOptionalUnsignedLong(optional unsigned long arg);
-  void passOptionalUnsignedLongWithDefault(optional unsigned long arg = 6);
-
-  readonly attribute unsigned long long readonlyUnsignedLongLong;
-  attribute unsigned long long  writableUnsignedLongLong;
-  void passUnsignedLongLong(unsigned long long arg);
-  unsigned long long receiveUnsignedLongLong();
-  void passOptionalUnsignedLongLong(optional unsigned long long arg);
-  void passOptionalUnsignedLongLongWithDefault(optional unsigned long long arg = 17);
-
-  attribute float writableFloat;
-  attribute unrestricted float writableUnrestrictedFloat;
-  attribute float? writableNullableFloat;
-  attribute unrestricted float? writableNullableUnrestrictedFloat;
-  attribute double writableDouble;
-  attribute unrestricted double writableUnrestrictedDouble;
-  attribute double? writableNullableDouble;
-  attribute unrestricted double? writableNullableUnrestrictedDouble;
-  void passFloat(float arg1, unrestricted float arg2,
-                 float? arg3, unrestricted float? arg4,
-                 double arg5, unrestricted double arg6,
-                 double? arg7, unrestricted double? arg8,
-                 sequence<float> arg9, sequence<unrestricted float> arg10,
-                 sequence<float?> arg11, sequence<unrestricted float?> arg12,
-                 sequence<double> arg13, sequence<unrestricted double> arg14,
-                 sequence<double?> arg15, sequence<unrestricted double?> arg16);
-  [LenientFloat]
-  void passLenientFloat(float arg1, unrestricted float arg2,
-                        float? arg3, unrestricted float? arg4,
-                        double arg5, unrestricted double arg6,
-                        double? arg7, unrestricted double? arg8,
-                        sequence<float> arg9,
-                        sequence<unrestricted float> arg10,
-                        sequence<float?> arg11,
-                        sequence<unrestricted float?> arg12,
-                        sequence<double> arg13,
-                        sequence<unrestricted double> arg14,
-                        sequence<double?> arg15,
-                        sequence<unrestricted double?> arg16);
-  [LenientFloat]
-  attribute float lenientFloatAttr;
-  [LenientFloat]
-  attribute double lenientDoubleAttr;
-
-  void passUnrestricted(optional unrestricted float arg1 = 0,
-                        optional unrestricted float arg2 = Infinity,
-                        optional unrestricted float arg3 = -Infinity,
-                        optional unrestricted float arg4 = NaN,
-                        optional unrestricted double arg5 = 0,
-                        optional unrestricted double arg6 = Infinity,
-                        optional unrestricted double arg7 = -Infinity,
-                        optional unrestricted double arg8 = NaN);
-
-  // Castable interface types
-  // XXXbz add tests for throwing versions of all the castable interface stuff
-  TestInterface receiveSelf();
-  TestInterface? receiveNullableSelf();
-  TestInterface receiveWeakSelf();
-  TestInterface? receiveWeakNullableSelf();
-  void passSelf(TestInterface arg);
-  void passNullableSelf(TestInterface? arg);
-  attribute TestInterface nonNullSelf;
-  attribute TestInterface? nullableSelf;
-  [Cached, Pure]
-  readonly attribute TestInterface cachedSelf;
-  // Optional arguments
-  void passOptionalSelf(optional TestInterface? arg);
-  void passOptionalNonNullSelf(optional TestInterface arg);
-  void passOptionalSelfWithDefault(optional TestInterface? arg = null);
-
-  // Non-wrapper-cache interface types
-  [NewObject]
-  TestNonWrapperCacheInterface receiveNonWrapperCacheInterface();
-  [NewObject]
-  TestNonWrapperCacheInterface? receiveNullableNonWrapperCacheInterface();
-  [NewObject]
-  sequence<TestNonWrapperCacheInterface> receiveNonWrapperCacheInterfaceSequence();
-  [NewObject]
-  sequence<TestNonWrapperCacheInterface?> receiveNullableNonWrapperCacheInterfaceSequence();
-  [NewObject]
-  sequence<TestNonWrapperCacheInterface>? receiveNonWrapperCacheInterfaceNullableSequence();
-  [NewObject]
-  sequence<TestNonWrapperCacheInterface?>? receiveNullableNonWrapperCacheInterfaceNullableSequence();
-
-  // Non-castable interface types
-  IndirectlyImplementedInterface receiveOther();
-  IndirectlyImplementedInterface? receiveNullableOther();
-  IndirectlyImplementedInterface receiveWeakOther();
-  IndirectlyImplementedInterface? receiveWeakNullableOther();
-  void passOther(IndirectlyImplementedInterface arg);
-  void passNullableOther(IndirectlyImplementedInterface? arg);
-  attribute IndirectlyImplementedInterface nonNullOther;
-  attribute IndirectlyImplementedInterface? nullableOther;
-  // Optional arguments
-  void passOptionalOther(optional IndirectlyImplementedInterface? arg);
-  void passOptionalNonNullOther(optional IndirectlyImplementedInterface arg);
-  void passOptionalOtherWithDefault(optional IndirectlyImplementedInterface? arg = null);
-
-  // External interface types
-  TestExternalInterface receiveExternal();
-  TestExternalInterface? receiveNullableExternal();
-  TestExternalInterface receiveWeakExternal();
-  TestExternalInterface? receiveWeakNullableExternal();
-  void passExternal(TestExternalInterface arg);
-  void passNullableExternal(TestExternalInterface? arg);
-  attribute TestExternalInterface nonNullExternal;
-  attribute TestExternalInterface? nullableExternal;
-  // Optional arguments
-  void passOptionalExternal(optional TestExternalInterface? arg);
-  void passOptionalNonNullExternal(optional TestExternalInterface arg);
-  void passOptionalExternalWithDefault(optional TestExternalInterface? arg = null);
-
-  // Callback interface types
-  TestCallbackInterface receiveCallbackInterface();
-  TestCallbackInterface? receiveNullableCallbackInterface();
-  TestCallbackInterface receiveWeakCallbackInterface();
-  TestCallbackInterface? receiveWeakNullableCallbackInterface();
-  void passCallbackInterface(TestCallbackInterface arg);
-  void passNullableCallbackInterface(TestCallbackInterface? arg);
-  attribute TestCallbackInterface nonNullCallbackInterface;
-  attribute TestCallbackInterface? nullableCallbackInterface;
-  // Optional arguments
-  void passOptionalCallbackInterface(optional TestCallbackInterface? arg);
-  void passOptionalNonNullCallbackInterface(optional TestCallbackInterface arg);
-  void passOptionalCallbackInterfaceWithDefault(optional TestCallbackInterface? arg = null);
-
-  // Miscellaneous interface tests
-  IndirectlyImplementedInterface receiveConsequentialInterface();
-  void passConsequentialInterface(IndirectlyImplementedInterface arg);
-
-  // Sequence types
-  [Cached, Pure]
-  readonly attribute sequence<long> readonlySequence;
-  [Cached, Pure]
-  readonly attribute sequence<Dict> readonlySequenceOfDictionaries;
-  [Cached, Pure]
-  readonly attribute sequence<Dict>? readonlyNullableSequenceOfDictionaries;
-  [Cached, Pure, Frozen]
-  readonly attribute sequence<Dict> readonlyFrozenSequence;
-  [Cached, Pure, Frozen]
-  readonly attribute sequence<Dict>? readonlyFrozenNullableSequence;
-  sequence<long> receiveSequence();
-  sequence<long>? receiveNullableSequence();
-  sequence<long?> receiveSequenceOfNullableInts();
-  sequence<long?>? receiveNullableSequenceOfNullableInts();
-  void passSequence(sequence<long> arg);
-  void passNullableSequence(sequence<long>? arg);
-  void passSequenceOfNullableInts(sequence<long?> arg);
-  void passOptionalSequenceOfNullableInts(optional sequence<long?> arg);
-  void passOptionalNullableSequenceOfNullableInts(optional sequence<long?>? arg);
-  sequence<TestInterface> receiveCastableObjectSequence();
-  sequence<TestCallbackInterface> receiveCallbackObjectSequence();
-  sequence<TestInterface?> receiveNullableCastableObjectSequence();
-  sequence<TestCallbackInterface?> receiveNullableCallbackObjectSequence();
-  sequence<TestInterface>? receiveCastableObjectNullableSequence();
-  sequence<TestInterface?>? receiveNullableCastableObjectNullableSequence();
-  sequence<TestInterface> receiveWeakCastableObjectSequence();
-  sequence<TestInterface?> receiveWeakNullableCastableObjectSequence();
-  sequence<TestInterface>? receiveWeakCastableObjectNullableSequence();
-  sequence<TestInterface?>? receiveWeakNullableCastableObjectNullableSequence();
-  void passCastableObjectSequence(sequence<TestInterface> arg);
-  void passNullableCastableObjectSequence(sequence<TestInterface?> arg);
-  void passCastableObjectNullableSequence(sequence<TestInterface>? arg);
-  void passNullableCastableObjectNullableSequence(sequence<TestInterface?>? arg);
-  void passOptionalSequence(optional sequence<long> arg);
-  void passOptionalSequenceWithDefaultValue(optional sequence<long> arg = []);
-  void passOptionalNullableSequence(optional sequence<long>? arg);
-  void passOptionalNullableSequenceWithDefaultValue(optional sequence<long>? arg = null);
-  void passOptionalNullableSequenceWithDefaultValue2(optional sequence<long>? arg = []);
-  void passOptionalObjectSequence(optional sequence<TestInterface> arg);
-  void passExternalInterfaceSequence(sequence<TestExternalInterface> arg);
-  void passNullableExternalInterfaceSequence(sequence<TestExternalInterface?> arg);
-
-  sequence<DOMString> receiveStringSequence();
-  void passStringSequence(sequence<DOMString> arg);
-
-  sequence<ByteString> receiveByteStringSequence();
-  void passByteStringSequence(sequence<ByteString> arg);
-
-  sequence<any> receiveAnySequence();
-  sequence<any>? receiveNullableAnySequence();
-  sequence<sequence<any>> receiveAnySequenceSequence();
-
-  sequence<object> receiveObjectSequence();
-  sequence<object?> receiveNullableObjectSequence();
-
-  void passSequenceOfSequences(sequence<sequence<long>> arg);
-  void passSequenceOfSequencesOfSequences(sequence<sequence<sequence<long>>> arg);
-  sequence<sequence<long>> receiveSequenceOfSequences();
-  sequence<sequence<sequence<long>>> receiveSequenceOfSequencesOfSequences();
-
-  // MozMap types
-  void passMozMap(MozMap<long> arg);
-  void passNullableMozMap(MozMap<long>? arg);
-  void passMozMapOfNullableInts(MozMap<long?> arg);
-  void passOptionalMozMapOfNullableInts(optional MozMap<long?> arg);
-  void passOptionalNullableMozMapOfNullableInts(optional MozMap<long?>? arg);
-  void passCastableObjectMozMap(MozMap<TestInterface> arg);
-  void passNullableCastableObjectMozMap(MozMap<TestInterface?> arg);
-  void passCastableObjectNullableMozMap(MozMap<TestInterface>? arg);
-  void passNullableCastableObjectNullableMozMap(MozMap<TestInterface?>? arg);
-  void passOptionalMozMap(optional MozMap<long> arg);
-  void passOptionalNullableMozMap(optional MozMap<long>? arg);
-  void passOptionalNullableMozMapWithDefaultValue(optional MozMap<long>? arg = null);
-  void passOptionalObjectMozMap(optional MozMap<TestInterface> arg);
-  void passExternalInterfaceMozMap(MozMap<TestExternalInterface> arg);
-  void passNullableExternalInterfaceMozMap(MozMap<TestExternalInterface?> arg);
-  void passStringMozMap(MozMap<DOMString> arg);
-  void passByteStringMozMap(MozMap<ByteString> arg);
-  void passMozMapOfMozMaps(MozMap<MozMap<long>> arg);
-  MozMap<long> receiveMozMap();
-  MozMap<long>? receiveNullableMozMap();
-  MozMap<long?> receiveMozMapOfNullableInts();
-  MozMap<long?>? receiveNullableMozMapOfNullableInts();
-  MozMap<MozMap<long>> receiveMozMapOfMozMaps();
-  MozMap<any> receiveAnyMozMap();
-
-  // Typed array types
-  void passArrayBuffer(ArrayBuffer arg);
-  void passNullableArrayBuffer(ArrayBuffer? arg);
-  void passOptionalArrayBuffer(optional ArrayBuffer arg);
-  void passOptionalNullableArrayBuffer(optional ArrayBuffer? arg);
-  void passOptionalNullableArrayBufferWithDefaultValue(optional ArrayBuffer? arg= null);
-  void passArrayBufferView(ArrayBufferView arg);
-  void passInt8Array(Int8Array arg);
-  void passInt16Array(Int16Array arg);
-  void passInt32Array(Int32Array arg);
-  void passUint8Array(Uint8Array arg);
-  void passUint16Array(Uint16Array arg);
-  void passUint32Array(Uint32Array arg);
-  void passUint8ClampedArray(Uint8ClampedArray arg);
-  void passFloat32Array(Float32Array arg);
-  void passFloat64Array(Float64Array arg);
-  void passSequenceOfArrayBuffers(sequence<ArrayBuffer> arg);
-  void passSequenceOfNullableArrayBuffers(sequence<ArrayBuffer?> arg);
-  void passMozMapOfArrayBuffers(MozMap<ArrayBuffer> arg);
-  void passMozMapOfNullableArrayBuffers(MozMap<ArrayBuffer?> arg);
-  void passVariadicTypedArray(Float32Array... arg);
-  void passVariadicNullableTypedArray(Float32Array?... arg);
-  Uint8Array receiveUint8Array();
-  attribute Uint8Array uint8ArrayAttr;
-
-  // DOMString types
-  void passString(DOMString arg);
-  void passNullableString(DOMString? arg);
-  void passOptionalString(optional DOMString arg);
-  void passOptionalStringWithDefaultValue(optional DOMString arg = "abc");
-  void passOptionalNullableString(optional DOMString? arg);
-  void passOptionalNullableStringWithDefaultValue(optional DOMString? arg = null);
-  void passVariadicString(DOMString... arg);
-  DOMString receiveString();
-
-  // ByteString types
-  void passByteString(ByteString arg);
-  void passNullableByteString(ByteString? arg);
-  void passOptionalByteString(optional ByteString arg);
-  void passOptionalByteStringWithDefaultValue(optional ByteString arg = "abc");
-  void passOptionalNullableByteString(optional ByteString? arg);
-  void passOptionalNullableByteStringWithDefaultValue(optional ByteString? arg = null);
-  void passVariadicByteString(ByteString... arg);
-  void passOptionalUnionByteString(optional (ByteString or long) arg);
-  void passOptionalUnionByteStringWithDefaultValue(optional (ByteString or long) arg = "abc");
-
-  // USVString types
-  void passUSVS(USVString arg);
-  void passNullableUSVS(USVString? arg);
-  void passOptionalUSVS(optional USVString arg);
-  void passOptionalUSVSWithDefaultValue(optional USVString arg = "abc");
-  void passOptionalNullableUSVS(optional USVString? arg);
-  void passOptionalNullableUSVSWithDefaultValue(optional USVString? arg = null);
-  void passVariadicUSVS(USVString... arg);
-  USVString receiveUSVS();
-
-  // Enumerated types
-  void passEnum(TestEnum arg);
-  void passNullableEnum(TestEnum? arg);
-  void passOptionalEnum(optional TestEnum arg);
-  void passEnumWithDefault(optional TestEnum arg = "a");
-  void passOptionalNullableEnum(optional TestEnum? arg);
-  void passOptionalNullableEnumWithDefaultValue(optional TestEnum? arg = null);
-  void passOptionalNullableEnumWithDefaultValue2(optional TestEnum? arg = "a");
-  TestEnum receiveEnum();
-  TestEnum? receiveNullableEnum();
-  attribute TestEnum enumAttribute;
-  readonly attribute TestEnum readonlyEnumAttribute;
-
-  // Callback types
-  void passCallback(TestCallback arg);
-  void passNullableCallback(TestCallback? arg);
-  void passOptionalCallback(optional TestCallback arg);
-  void passOptionalNullableCallback(optional TestCallback? arg);
-  void passOptionalNullableCallbackWithDefaultValue(optional TestCallback? arg = null);
-  TestCallback receiveCallback();
-  TestCallback? receiveNullableCallback();
-  void passNullableTreatAsNullCallback(TestTreatAsNullCallback? arg);
-  void passOptionalNullableTreatAsNullCallback(optional TestTreatAsNullCallback? arg);
-  void passOptionalNullableTreatAsNullCallbackWithDefaultValue(optional TestTreatAsNullCallback? arg = null);
-  attribute TestTreatAsNullCallback treatAsNullCallback;
-  attribute TestTreatAsNullCallback? nullableTreatAsNullCallback;
-
-  // Force code generation of the various test callbacks we have.
-  void forceCallbackGeneration(TestIntegerReturn arg1,
-                               TestNullableIntegerReturn arg2,
-                               TestBooleanReturn arg3,
-                               TestFloatReturn arg4,
-                               TestStringReturn arg5,
-                               TestEnumReturn arg6,
-                               TestInterfaceReturn arg7,
-                               TestNullableInterfaceReturn arg8,
-                               TestExternalInterfaceReturn arg9,
-                               TestNullableExternalInterfaceReturn arg10,
-                               TestCallbackInterfaceReturn arg11,
-                               TestNullableCallbackInterfaceReturn arg12,
-                               TestCallbackReturn arg13,
-                               TestNullableCallbackReturn arg14,
-                               TestObjectReturn arg15,
-                               TestNullableObjectReturn arg16,
-                               TestTypedArrayReturn arg17,
-                               TestNullableTypedArrayReturn arg18,
-                               TestSequenceReturn arg19,
-                               TestNullableSequenceReturn arg20,
-                               TestIntegerArguments arg21,
-                               TestInterfaceArguments arg22,
-                               TestStringEnumArguments arg23,
-                               TestObjectArguments arg24,
-                               TestOptionalArguments arg25);
-
-  // Any types
-  void passAny(any arg);
-  void passVariadicAny(any... arg);
-  void passOptionalAny(optional any arg);
-  void passAnyDefaultNull(optional any arg = null);
-  void passSequenceOfAny(sequence<any> arg);
-  void passNullableSequenceOfAny(sequence<any>? arg);
-  void passOptionalSequenceOfAny(optional sequence<any> arg);
-  void passOptionalNullableSequenceOfAny(optional sequence<any>? arg);
-  void passOptionalSequenceOfAnyWithDefaultValue(optional sequence<any>? arg = null);
-  void passSequenceOfSequenceOfAny(sequence<sequence<any>> arg);
-  void passSequenceOfNullableSequenceOfAny(sequence<sequence<any>?> arg);
-  void passNullableSequenceOfNullableSequenceOfAny(sequence<sequence<any>?>? arg);
-  void passOptionalNullableSequenceOfNullableSequenceOfAny(optional sequence<sequence<any>?>? arg);
-  void passMozMapOfAny(MozMap<any> arg);
-  void passNullableMozMapOfAny(MozMap<any>? arg);
-  void passOptionalMozMapOfAny(optional MozMap<any> arg);
-  void passOptionalNullableMozMapOfAny(optional MozMap<any>? arg);
-  void passOptionalMozMapOfAnyWithDefaultValue(optional MozMap<any>? arg = null);
-  void passMozMapOfMozMapOfAny(MozMap<MozMap<any>> arg);
-  void passMozMapOfNullableMozMapOfAny(MozMap<MozMap<any>?> arg);
-  void passNullableMozMapOfNullableMozMapOfAny(MozMap<MozMap<any>?>? arg);
-  void passOptionalNullableMozMapOfNullableMozMapOfAny(optional MozMap<MozMap<any>?>? arg);
-  void passOptionalNullableMozMapOfNullableSequenceOfAny(optional MozMap<sequence<any>?>? arg);
-  void passOptionalNullableSequenceOfNullableMozMapOfAny(optional sequence<MozMap<any>?>? arg);
-  any receiveAny();
-
-  // object types
-  void passObject(object arg);
-  void passVariadicObject(object... arg);
-  void passNullableObject(object? arg);
-  void passVariadicNullableObject(object... arg);
-  void passOptionalObject(optional object arg);
-  void passOptionalNullableObject(optional object? arg);
-  void passOptionalNullableObjectWithDefaultValue(optional object? arg = null);
-  void passSequenceOfObject(sequence<object> arg);
-  void passSequenceOfNullableObject(sequence<object?> arg);
-  void passNullableSequenceOfObject(sequence<object>? arg);
-  void passOptionalNullableSequenceOfNullableSequenceOfObject(optional sequence<sequence<object>?>? arg);
-  void passOptionalNullableSequenceOfNullableSequenceOfNullableObject(optional sequence<sequence<object?>?>? arg);
-  void passMozMapOfObject(MozMap<object> arg);
-  object receiveObject();
-  object? receiveNullableObject();
-
-  // Union types
-  void passUnion((object or long) arg);
-  // Some  union tests are debug-only to avoid creating all those
-  // unused union types in opt builds.
-#ifdef DEBUG
-  void passUnion2((long or boolean) arg);
-  void passUnion3((object or long or boolean) arg);
-  void passUnion4((Node or long or boolean) arg);
-  void passUnion5((object or boolean) arg);
-  void passUnion6((object or DOMString) arg);
-  void passUnion7((object or DOMString or long) arg);
-  void passUnion8((object or DOMString or boolean) arg);
-  void passUnion9((object or DOMString or long or boolean) arg);
-  void passUnion10(optional (EventInit or long) arg);
-  void passUnion11(optional (CustomEventInit or long) arg);
-  void passUnion12(optional (EventInit or long) arg = 5);
-  void passUnion13(optional (object or long?) arg = null);
-  void passUnion14(optional (object or long?) arg = 5);
-  void passUnion15((sequence<long> or long) arg);
-  void passUnion16(optional (sequence<long> or long) arg);
-  void passUnion17(optional (sequence<long>? or long) arg = 5);
-  void passUnion18((sequence<object> or long) arg);
-  void passUnion19(optional (sequence<object> or long) arg);
-  void passUnion20(optional (sequence<object> or long) arg = []);
-  void passUnion21((MozMap<long> or long) arg);
-  void passUnion22((MozMap<object> or long) arg);
-  void passUnion23((sequence<ImageData> or long) arg);
-  void passUnion24((sequence<ImageData?> or long) arg);
-  void passUnion25((sequence<sequence<ImageData>> or long) arg);
-  void passUnion26((sequence<sequence<ImageData?>> or long) arg);
-  void passUnion27(optional (sequence<DOMString> or EventInit) arg);
-  void passUnion28(optional (EventInit or sequence<DOMString>) arg);
-  void passUnionWithCallback((EventHandler or long) arg);
-  void passUnionWithByteString((ByteString or long) arg);
-  void passUnionWithMozMap((MozMap<DOMString> or DOMString) arg);
-  void passUnionWithMozMapAndSequence((MozMap<DOMString> or sequence<DOMString>) arg);
-  void passUnionWithSequenceAndMozMap((sequence<DOMString> or MozMap<DOMString>) arg);
-  void passUnionWithUSVS((USVString or long) arg);
-#endif
-  void passUnionWithNullable((object? or long) arg);
-  void passNullableUnion((object or long)? arg);
-  void passOptionalUnion(optional (object or long) arg);
-  void passOptionalNullableUnion(optional (object or long)? arg);
-  void passOptionalNullableUnionWithDefaultValue(optional (object or long)? arg = null);
-  //void passUnionWithInterfaces((TestInterface or TestExternalInterface) arg);
-  //void passUnionWithInterfacesAndNullable((TestInterface? or TestExternalInterface) arg);
-  //void passUnionWithSequence((sequence<object> or long) arg);
-  void passUnionWithArrayBuffer((ArrayBuffer or long) arg);
-  void passUnionWithString((DOMString or object) arg);
-  // Using an enum in a union.  Note that we use some enum not declared in our
-  // binding file, because UnionTypes.h will need to include the binding header
-  // for this enum.  Pick an enum from an interface that won't drag in too much
-  // stuff.
-  void passUnionWithEnum((SupportedType or object) arg);
-
-  // Trying to use a callback in a union won't include the test
-  // headers, unfortunately, so won't compile.
-  //void passUnionWithCallback((TestCallback or long) arg);
-  void passUnionWithObject((object or long) arg);
-  //void passUnionWithDict((Dict or long) arg);
-
-  void passUnionWithDefaultValue1(optional (double or DOMString) arg = "");
-  void passUnionWithDefaultValue2(optional (double or DOMString) arg = 1);
-  void passUnionWithDefaultValue3(optional (double or DOMString) arg = 1.5);
-  void passUnionWithDefaultValue4(optional (float or DOMString) arg = "");
-  void passUnionWithDefaultValue5(optional (float or DOMString) arg = 1);
-  void passUnionWithDefaultValue6(optional (float or DOMString) arg = 1.5);
-  void passUnionWithDefaultValue7(optional (unrestricted double or DOMString) arg = "");
-  void passUnionWithDefaultValue8(optional (unrestricted double or DOMString) arg = 1);
-  void passUnionWithDefaultValue9(optional (unrestricted double or DOMString) arg = 1.5);
-  void passUnionWithDefaultValue10(optional (unrestricted double or DOMString) arg = Infinity);
-  void passUnionWithDefaultValue11(optional (unrestricted float or DOMString) arg = "");
-  void passUnionWithDefaultValue12(optional (unrestricted float or DOMString) arg = 1);
-  void passUnionWithDefaultValue13(optional (unrestricted float or DOMString) arg = Infinity);
-  void passUnionWithDefaultValue14(optional (double or ByteString) arg = "");
-  void passUnionWithDefaultValue15(optional (double or ByteString) arg = 1);
-  void passUnionWithDefaultValue16(optional (double or ByteString) arg = 1.5);
-  void passUnionWithDefaultValue17(optional (double or SupportedType) arg = "text/html");
-  void passUnionWithDefaultValue18(optional (double or SupportedType) arg = 1);
-  void passUnionWithDefaultValue19(optional (double or SupportedType) arg = 1.5);
-
-  void passNullableUnionWithDefaultValue1(optional (double or DOMString)? arg = "");
-  void passNullableUnionWithDefaultValue2(optional (double or DOMString)? arg = 1);
-  void passNullableUnionWithDefaultValue3(optional (double or DOMString)? arg = null);
-  void passNullableUnionWithDefaultValue4(optional (float or DOMString)? arg = "");
-  void passNullableUnionWithDefaultValue5(optional (float or DOMString)? arg = 1);
-  void passNullableUnionWithDefaultValue6(optional (float or DOMString)? arg = null);
-  void passNullableUnionWithDefaultValue7(optional (unrestricted double or DOMString)? arg = "");
-  void passNullableUnionWithDefaultValue8(optional (unrestricted double or DOMString)? arg = 1);
-  void passNullableUnionWithDefaultValue9(optional (unrestricted double or DOMString)? arg = null);
-  void passNullableUnionWithDefaultValue10(optional (unrestricted float or DOMString)? arg = "");
-  void passNullableUnionWithDefaultValue11(optional (unrestricted float or DOMString)? arg = 1);
-  void passNullableUnionWithDefaultValue12(optional (unrestricted float or DOMString)? arg = null);
-  void passNullableUnionWithDefaultValue13(optional (double or ByteString)? arg = "");
-  void passNullableUnionWithDefaultValue14(optional (double or ByteString)? arg = 1);
-  void passNullableUnionWithDefaultValue15(optional (double or ByteString)? arg = 1.5);
-  void passNullableUnionWithDefaultValue16(optional (double or ByteString)? arg = null);
-  void passNullableUnionWithDefaultValue17(optional (double or SupportedType)? arg = "text/html");
-  void passNullableUnionWithDefaultValue18(optional (double or SupportedType)? arg = 1);
-  void passNullableUnionWithDefaultValue19(optional (double or SupportedType)? arg = 1.5);
-  void passNullableUnionWithDefaultValue20(optional (double or SupportedType)? arg = null);
-
-  void passSequenceOfUnions(sequence<(CanvasPattern or CanvasGradient)> arg);
-  void passSequenceOfUnions2(sequence<(object or long)> arg);
-  void passVariadicUnion((CanvasPattern or CanvasGradient)... arg);
-
-  void passSequenceOfNullableUnions(sequence<(CanvasPattern or CanvasGradient)?> arg);
-  void passVariadicNullableUnion((CanvasPattern or CanvasGradient)?... arg);
-  void passMozMapOfUnions(MozMap<(CanvasPattern or CanvasGradient)> arg);
-  // XXXbz no move constructor on some unions
-  // void passMozMapOfUnions2(MozMap<(object or long)> arg);
-
-  (CanvasPattern or CanvasGradient) receiveUnion();
-  (object or long) receiveUnion2();
-  (CanvasPattern? or CanvasGradient) receiveUnionContainingNull();
-  (CanvasPattern or CanvasGradient)? receiveNullableUnion();
-  (object or long)? receiveNullableUnion2();
-
-  attribute (CanvasPattern or CanvasGradient) writableUnion;
-  attribute (CanvasPattern? or CanvasGradient) writableUnionContainingNull;
-  attribute (CanvasPattern or CanvasGradient)? writableNullableUnion;
-
-  // Date types
-  void passDate(Date arg);
-  void passNullableDate(Date? arg);
-  void passOptionalDate(optional Date arg);
-  void passOptionalNullableDate(optional Date? arg);
-  void passOptionalNullableDateWithDefaultValue(optional Date? arg = null);
-  void passDateSequence(sequence<Date> arg);
-  void passNullableDateSequence(sequence<Date?> arg);
-  void passDateMozMap(MozMap<Date> arg);
-  Date receiveDate();
-  Date? receiveNullableDate();
-
-  // Promise types
-  void passPromise(Promise<any> arg);
-  void passNullablePromise(Promise<any>? arg);
-  void passOptionalPromise(optional Promise<any> arg);
-  void passOptionalNullablePromise(optional Promise<any>? arg);
-  void passOptionalNullablePromiseWithDefaultValue(optional Promise<any>? arg = null);
-  void passPromiseSequence(sequence<Promise<any>> arg);
-  void passNullablePromiseSequence(sequence<Promise<any>?> arg);
-  Promise<any> receivePromise();
-  Promise<any> receiveAddrefedPromise();
-
-  // binaryNames tests
-  void methodRenamedFrom();
-  [BinaryName="otherMethodRenamedTo"]
-  void otherMethodRenamedFrom();
-  void methodRenamedFrom(byte argument);
-  readonly attribute byte attributeGetterRenamedFrom;
-  attribute byte attributeRenamedFrom;
-  [BinaryName="otherAttributeRenamedTo"]
-  attribute byte otherAttributeRenamedFrom;
-
-  void passDictionary(optional Dict x);
-  void passDictionary2(Dict x);
-  [Cached, Pure]
-  readonly attribute Dict readonlyDictionary;
-  [Cached, Pure]
-  readonly attribute Dict? readonlyNullableDictionary;
-  [Cached, Pure]
-  attribute Dict writableDictionary;
-  [Cached, Pure, Frozen]
-  readonly attribute Dict readonlyFrozenDictionary;
-  [Cached, Pure, Frozen]
-  readonly attribute Dict? readonlyFrozenNullableDictionary;
-  [Cached, Pure, Frozen]
-  attribute Dict writableFrozenDictionary;
-  Dict receiveDictionary();
-  Dict? receiveNullableDictionary();
-  void passOtherDictionary(optional GrandparentDict x);
-  void passSequenceOfDictionaries(sequence<Dict> x);
-  void passMozMapOfDictionaries(MozMap<GrandparentDict> x);
-  // No support for nullable dictionaries inside a sequence (nor should there be)
-  //  void passSequenceOfNullableDictionaries(sequence<Dict?> x);
-  void passDictionaryOrLong(optional Dict x);
-  void passDictionaryOrLong(long x);
-
-  void passDictContainingDict(optional DictContainingDict arg);
-  void passDictContainingSequence(optional DictContainingSequence arg);
-  DictContainingSequence receiveDictContainingSequence();
-  void passVariadicDictionary(Dict... arg);
-
-  // EnforceRange/Clamp tests
-  void dontEnforceRangeOrClamp(byte arg);
-  void doEnforceRange([EnforceRange] byte arg);
-  void doClamp([Clamp] byte arg);
-  [EnforceRange] attribute byte enforcedByte;
-  [Clamp] attribute byte clampedByte;
-
-  // Typedefs
-  const myLong myLongConstant = 5;
-  void exerciseTypedefInterfaces1(AnotherNameForTestInterface arg);
-  AnotherNameForTestInterface exerciseTypedefInterfaces2(NullableTestInterface arg);
-  void exerciseTypedefInterfaces3(YetAnotherNameForTestInterface arg);
-
-  // Deprecated methods and attributes
-  [Deprecated="GetAttributeNode"]
-  attribute byte deprecatedAttribute;
-  [Deprecated="GetAttributeNode"]
-  byte deprecatedMethod();
-  [Deprecated="GetAttributeNode"]
-  byte deprecatedMethodWithContext(any arg);
-
-  // Static methods and attributes
-  static attribute boolean staticAttribute;
-  static void staticMethod(boolean arg);
-  static void staticMethodWithContext(any arg);
-
-  // Testing static method with a reserved C++ keyword as the name
-  static void assert(boolean arg);
-
-  // Deprecated static methods and attributes
-  [Deprecated="GetAttributeNode"]
-  static attribute byte staticDeprecatedAttribute;
-  [Deprecated="GetAttributeNode"]
-  static void staticDeprecatedMethod();
-  [Deprecated="GetAttributeNode"]
-  static void staticDeprecatedMethodWithContext(any arg);
-
-  // Overload resolution tests
-  //void overload1(DOMString... strs);
-  boolean overload1(TestInterface arg);
-  TestInterface overload1(DOMString strs, TestInterface arg);
-  void overload2(TestInterface arg);
-  void overload2(optional Dict arg);
-  void overload2(boolean arg);
-  void overload2(DOMString arg);
-  void overload2(Date arg);
-  void overload3(TestInterface arg);
-  void overload3(TestCallback arg);
-  void overload3(boolean arg);
-  void overload4(TestInterface arg);
-  void overload4(TestCallbackInterface arg);
-  void overload4(DOMString arg);
-  void overload5(long arg);
-  void overload5(TestEnum arg);
-  void overload6(long arg);
-  void overload6(boolean arg);
-  void overload7(long arg);
-  void overload7(boolean arg);
-  void overload7(ByteString arg);
-  void overload8(long arg);
-  void overload8(TestInterface arg);
-  void overload9(long? arg);
-  void overload9(DOMString arg);
-  void overload10(long? arg);
-  void overload10(object arg);
-  void overload11(long arg);
-  void overload11(DOMString? arg);
-  void overload12(long arg);
-  void overload12(boolean? arg);
-  void overload13(long? arg);
-  void overload13(boolean arg);
-  void overload14(optional long arg);
-  void overload14(TestInterface arg);
-  void overload15(long arg);
-  void overload15(optional TestInterface arg);
-  void overload16(long arg);
-  void overload16(optional TestInterface? arg);
-  void overload17(sequence<long> arg);
-  void overload17(MozMap<long> arg);
-  void overload18(MozMap<DOMString> arg);
-  void overload18(sequence<DOMString> arg);
-  void overload19(sequence<long> arg);
-  void overload19(optional Dict arg);
-  void overload20(optional Dict arg);
-  void overload20(sequence<long> arg);
-
-  // Variadic handling
-  void passVariadicThirdArg(DOMString arg1, long arg2, TestInterface... arg3);
-
-  // Conditionally exposed methods/attributes
-  [Pref="abc.def"]
-  readonly attribute boolean prefable1;
-  [Pref="abc.def"]
-  readonly attribute boolean prefable2;
-  [Pref="ghi.jkl"]
-  readonly attribute boolean prefable3;
-  [Pref="ghi.jkl"]
-  readonly attribute boolean prefable4;
-  [Pref="abc.def"]
-  readonly attribute boolean prefable5;
-  [Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  readonly attribute boolean prefable6;
-  [Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  readonly attribute boolean prefable7;
-  [Pref="ghi.jkl", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  readonly attribute boolean prefable8;
-  [Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  readonly attribute boolean prefable9;
-  [Pref="abc.def"]
-  void prefable10();
-  [Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  void prefable11();
-  [Pref="abc.def", Func="TestFuncControlledMember"]
-  readonly attribute boolean prefable12;
-  [Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  void prefable13();
-  [Pref="abc.def", Func="TestFuncControlledMember"]
-  readonly attribute boolean prefable14;
-  [Func="TestFuncControlledMember"]
-  readonly attribute boolean prefable15;
-  [Func="TestFuncControlledMember"]
-  readonly attribute boolean prefable16;
-  [Pref="abc.def", Func="TestFuncControlledMember"]
-  void prefable17();
-  [Func="TestFuncControlledMember"]
-  void prefable18();
-  [Func="TestFuncControlledMember"]
-  void prefable19();
-  [Pref="abc.def", Func="TestFuncControlledMember", ChromeOnly]
-  void prefable20();
-
-  // Conditionally exposed methods/attributes involving [SecureContext]
-  [SecureContext]
-  readonly attribute boolean conditionalOnSecureContext1;
-  [SecureContext, Pref="abc.def"]
-  readonly attribute boolean conditionalOnSecureContext2;
-  [SecureContext, Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  readonly attribute boolean conditionalOnSecureContext3;
-  [SecureContext, Pref="abc.def", Func="TestFuncControlledMember"]
-  readonly attribute boolean conditionalOnSecureContext4;
-  [SecureContext]
-  void conditionalOnSecureContext5();
-  [SecureContext, Pref="abc.def"]
-  void conditionalOnSecureContext6();
-  [SecureContext, Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  void conditionalOnSecureContext7();
-  [SecureContext, Pref="abc.def", Func="TestFuncControlledMember"]
-  void conditionalOnSecureContext8();
-
-  // Miscellania
-  [LenientThis] attribute long attrWithLenientThis;
-  [Unforgeable] readonly attribute long unforgeableAttr;
-  [Unforgeable, ChromeOnly] readonly attribute long unforgeableAttr2;
-  [Unforgeable] long unforgeableMethod();
-  [Unforgeable, ChromeOnly] long unforgeableMethod2();
-  stringifier;
-  void passRenamedInterface(TestRenamedInterface arg);
-  [PutForwards=writableByte] readonly attribute TestInterface putForwardsAttr;
-  [PutForwards=writableByte, LenientThis] readonly attribute TestInterface putForwardsAttr2;
-  [PutForwards=writableByte, ChromeOnly] readonly attribute TestInterface putForwardsAttr3;
-  [Throws] void throwingMethod();
-  [Throws] attribute boolean throwingAttr;
-  [GetterThrows] attribute boolean throwingGetterAttr;
-  [SetterThrows] attribute boolean throwingSetterAttr;
-  [NeedsSubjectPrincipal] void needsSubjectPrincipalMethod();
-  [NeedsSubjectPrincipal] attribute boolean needsSubjectPrincipalAttr;
-  [NeedsCallerType] void needsCallerTypeMethod();
-  [NeedsCallerType] attribute boolean needsCallerTypeAttr;
-  [CEReactions] void ceReactionsMethod();
-  [CEReactions] void ceReactionsMethodOverload();
-  [CEReactions] void ceReactionsMethodOverload(DOMString bar);
-  [CEReactions] attribute boolean ceReactionsAttr;
-  legacycaller short(unsigned long arg1, TestInterface arg2);
-  void passArgsWithDefaults(optional long arg1,
-                            optional TestInterface? arg2 = null,
-                            optional Dict arg3, optional double arg4 = 5.0,
-                            optional float arg5);
-
-  attribute any jsonifierShouldSkipThis;
-  attribute TestParentInterface jsonifierShouldSkipThis2;
-  attribute TestCallbackInterface jsonifierShouldSkipThis3;
-  jsonifier;
-
-  attribute byte dashed-attribute;
-  void dashed-method();
-
-  // If you add things here, add them to TestExampleGen and TestJSImplGen as well
-};
-
-interface TestParentInterface {
-};
-
-interface TestChildInterface : TestParentInterface {
-};
-
-interface TestNonWrapperCacheInterface {
-};
-
-[NoInterfaceObject]
-interface ImplementedInterfaceParent {
-  void implementedParentMethod();
-  attribute boolean implementedParentProperty;
-
-  const long implementedParentConstant = 8;
-};
-
-ImplementedInterfaceParent implements IndirectlyImplementedInterface;
-
-[NoInterfaceObject]
-interface IndirectlyImplementedInterface {
-  void indirectlyImplementedMethod();
-  attribute boolean indirectlyImplementedProperty;
-
-  const long indirectlyImplementedConstant = 9;
-};
-
-[NoInterfaceObject]
-interface ImplementedInterface : ImplementedInterfaceParent {
-  void implementedMethod();
-  attribute boolean implementedProperty;
-
-  const long implementedConstant = 5;
-};
-
-[NoInterfaceObject]
-interface DiamondImplements {
-  readonly attribute long diamondImplementedProperty;
-};
-[NoInterfaceObject]
-interface DiamondBranch1A {
-};
-[NoInterfaceObject]
-interface DiamondBranch1B {
-};
-[NoInterfaceObject]
-interface DiamondBranch2A : DiamondImplements {
-};
-[NoInterfaceObject]
-interface DiamondBranch2B : DiamondImplements {
-};
-TestInterface implements DiamondBranch1A;
-TestInterface implements DiamondBranch1B;
-TestInterface implements DiamondBranch2A;
-TestInterface implements DiamondBranch2B;
-DiamondBranch1A implements DiamondImplements;
-DiamondBranch1B implements DiamondImplements;
-
-dictionary Dict : ParentDict {
-  TestEnum someEnum;
-  long x;
-  long a;
-  long b = 8;
-  long z = 9;
-  [EnforceRange] unsigned long enforcedUnsignedLong;
-  [Clamp] unsigned long clampedUnsignedLong;
-  DOMString str;
-  DOMString empty = "";
-  TestEnum otherEnum = "b";
-  DOMString otherStr = "def";
-  DOMString? yetAnotherStr = null;
-  DOMString template;
-  ByteString byteStr;
-  ByteString emptyByteStr = "";
-  ByteString otherByteStr = "def";
-  object someObj;
-  boolean prototype;
-  object? anotherObj = null;
-  TestCallback? someCallback = null;
-  any someAny;
-  any anotherAny = null;
-
-  unrestricted float  urFloat = 0;
-  unrestricted float  urFloat2 = 1.1;
-  unrestricted float  urFloat3 = -1.1;
-  unrestricted float? urFloat4 = null;
-  unrestricted float  infUrFloat = Infinity;
-  unrestricted float  negativeInfUrFloat = -Infinity;
-  unrestricted float  nanUrFloat = NaN;
-
-  unrestricted double  urDouble = 0;
-  unrestricted double  urDouble2 = 1.1;
-  unrestricted double  urDouble3 = -1.1;
-  unrestricted double? urDouble4 = null;
-  unrestricted double  infUrDouble = Infinity;
-  unrestricted double  negativeInfUrDouble = -Infinity;
-  unrestricted double  nanUrDouble = NaN;
-
-  (float or DOMString) floatOrString = "str";
-  (float or DOMString)? nullableFloatOrString = "str";
-  (object or long) objectOrLong;
-#ifdef DEBUG
-  (EventInit or long) eventInitOrLong;
-  (EventInit or long)? nullableEventInitOrLong;
-  (HTMLElement or long)? nullableHTMLElementOrLong;
-  // CustomEventInit is useful to test because it needs rooting.
-  (CustomEventInit or long) eventInitOrLong2;
-  (CustomEventInit or long)? nullableEventInitOrLong2;
-  (EventInit or long) eventInitOrLongWithDefaultValue = null;
-  (CustomEventInit or long) eventInitOrLongWithDefaultValue2 = null;
-  (EventInit or long) eventInitOrLongWithDefaultValue3 = 5;
-  (CustomEventInit or long) eventInitOrLongWithDefaultValue4 = 5;
-  (EventInit or long)? nullableEventInitOrLongWithDefaultValue = null;
-  (CustomEventInit or long)? nullableEventInitOrLongWithDefaultValue2 = null;
-  (EventInit or long)? nullableEventInitOrLongWithDefaultValue3 = 5;
-  (CustomEventInit or long)? nullableEventInitOrLongWithDefaultValue4 = 5;
-  (sequence<object> or long) objectSequenceOrLong;
-  (sequence<object> or long) objectSequenceOrLongWithDefaultValue1 = 1;
-  (sequence<object> or long) objectSequenceOrLongWithDefaultValue2 = [];
-  (sequence<object> or long)? nullableObjectSequenceOrLong;
-  (sequence<object> or long)? nullableObjectSequenceOrLongWithDefaultValue1 = 1;
-  (sequence<object> or long)? nullableObjectSequenceOrLongWithDefaultValue2 = [];
-#endif
-
-  ArrayBuffer arrayBuffer;
-  ArrayBuffer? nullableArrayBuffer;
-  Uint8Array uint8Array;
-  Float64Array? float64Array = null;
-
-  sequence<long> seq1;
-  sequence<long> seq2 = [];
-  sequence<long>? seq3;
-  sequence<long>? seq4 = null;
-  sequence<long>? seq5 = [];
-
-  long dashed-name;
-
-  required long requiredLong;
-  required object requiredObject;
-
-  CustomEventInit customEventInit;
-  TestDictionaryTypedef dictionaryTypedef;
-
-  Promise<void> promise;
-  sequence<Promise<void>> promiseSequence;
-};
-
-dictionary ParentDict : GrandparentDict {
-  long c = 5;
-  TestInterface someInterface;
-  TestInterface? someNullableInterface = null;
-  TestExternalInterface someExternalInterface;
-  any parentAny;
-};
-
-dictionary DictContainingDict {
-  Dict memberDict;
-};
-
-dictionary DictContainingSequence {
-  sequence<long> ourSequence;
-  sequence<TestInterface> ourSequence2;
-  sequence<any> ourSequence3;
-  sequence<object> ourSequence4;
-  sequence<object?> ourSequence5;
-  sequence<object>? ourSequence6;
-  sequence<object?>? ourSequence7;
-  sequence<object>? ourSequence8 = null;
-  sequence<object?>? ourSequence9 = null;
-  sequence<(float or DOMString)> ourSequence10;
-};
-
-dictionary DictForConstructor {
-  Dict dict;
-  DictContainingDict dict2;
-  sequence<Dict> seq1;
-  sequence<sequence<Dict>>? seq2;
-  sequence<sequence<Dict>?> seq3;
-  sequence<any> seq4;
-  sequence<any> seq5;
-  sequence<DictContainingSequence> seq6;
-  object obj1;
-  object? obj2;
-  any any1 = null;
-};
-
-dictionary DictWithConditionalMembers {
-  [ChromeOnly]
-  long chromeOnlyMember;
-  [Func="TestFuncControlledMember"]
-  long funcControlledMember;
-  [ChromeOnly, Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  long chromeOnlyFuncControlledMember;
-};
-
-interface TestIndexedGetterInterface {
-  getter long item(unsigned long idx);
-  readonly attribute unsigned long length;
-  legacycaller void();
-};
-
-interface TestNamedGetterInterface {
-  getter DOMString (DOMString name);
-};
-
-interface TestIndexedGetterAndSetterAndNamedGetterInterface {
-  getter DOMString (DOMString myName);
-  getter long (unsigned long index);
-  setter creator void (unsigned long index, long arg);
-};
-
-interface TestIndexedAndNamedGetterInterface {
-  getter long (unsigned long index);
-  getter DOMString namedItem(DOMString name);
-  readonly attribute unsigned long length;
-};
-
-interface TestIndexedSetterInterface {
-  setter creator void setItem(unsigned long idx, DOMString item);
-  getter DOMString (unsigned long idx);
-};
-
-interface TestNamedSetterInterface {
-  setter creator void (DOMString myName, TestIndexedSetterInterface item);
-  getter TestIndexedSetterInterface (DOMString name);
-};
-
-interface TestIndexedAndNamedSetterInterface {
-  setter creator void (unsigned long index, TestIndexedSetterInterface item);
-  getter TestIndexedSetterInterface (unsigned long index);
-  setter creator void setNamedItem(DOMString name, TestIndexedSetterInterface item);
-  getter TestIndexedSetterInterface (DOMString name);
-};
-
-interface TestIndexedAndNamedGetterAndSetterInterface : TestIndexedSetterInterface {
-  getter long item(unsigned long index);
-  getter DOMString namedItem(DOMString name);
-  setter creator void (unsigned long index, long item);
-  setter creator void (DOMString name, DOMString item);
-  stringifier DOMString ();
-  readonly attribute unsigned long length;
-};
-
-interface TestNamedDeleterInterface {
-  deleter void (DOMString name);
-  getter long (DOMString name);
-};
-
-interface TestNamedDeleterWithRetvalInterface {
-  deleter boolean delNamedItem(DOMString name);
-  getter long (DOMString name);
-};
-
-interface TestCppKeywordNamedMethodsInterface {
-  boolean continue();
-  boolean delete();
-  long volatile();
-};
-
-[Deprecated="GetAttributeNode", Constructor()]
-interface TestDeprecatedInterface {
-  static void alsoDeprecated();
-};
-
-
-[Constructor(Promise<void> promise)]
-interface TestInterfaceWithPromiseConstructorArg {
-};
-
-namespace TestNamespace {
-  readonly attribute boolean foo;
-  long bar();
-};
-
-partial namespace TestNamespace {
-  void baz();
-};
-
-[ClassString="RenamedNamespaceClassName"]
-namespace TestRenamedNamespace {
-};
-
-[ProtoObjectHack]
-namespace TestProtoObjectHackedNamespace {
-};
-
-[SecureContext]
-interface TestSecureContextInterface {
-  static void alsoSecureContext();
-};
-
-[Exposed=(Window,Worker)]
-interface TestWorkerExposedInterface {
-  [NeedsSubjectPrincipal] void needsSubjectPrincipalMethod();
-  [NeedsSubjectPrincipal] attribute boolean needsSubjectPrincipalAttr;
-  [NeedsCallerType] void needsCallerTypeMethod();
-  [NeedsCallerType] attribute boolean needsCallerTypeAttr;
-};
-
-[HTMLConstructor]
-interface TestHTMLConstructorInterface {
-};
-
-interface TestCEReactionsInterface {
-  [CEReactions] setter creator void (unsigned long index, long item);
-  [CEReactions] setter creator void (DOMString name, DOMString item);
-  [CEReactions] deleter void (DOMString name);
-  getter long item(unsigned long index);
-  getter DOMString (DOMString name);
-  readonly attribute unsigned long length;
-};
diff --git a/dom/bindings/test/TestDictionary.webidl b/dom/bindings/test/TestDictionary.webidl
deleted file mode 100644
index 3dd91bd65..000000000
--- a/dom/bindings/test/TestDictionary.webidl
+++ /dev/null
@@ -1,9 +0,0 @@
-/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-
-dictionary GrandparentDict {
-  double someNum;
-};
\ No newline at end of file
diff --git a/dom/bindings/test/TestExampleGen.webidl b/dom/bindings/test/TestExampleGen.webidl
deleted file mode 100644
index a2183c002..000000000
--- a/dom/bindings/test/TestExampleGen.webidl
+++ /dev/null
@@ -1,815 +0,0 @@
-/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-[Constructor,
- Constructor(DOMString str),
- Constructor(unsigned long num, boolean? boolArg),
- Constructor(TestInterface? iface),
- Constructor(long arg1, IndirectlyImplementedInterface iface),
- Constructor(Date arg1),
- Constructor(ArrayBuffer arrayBuf),
- Constructor(Uint8Array typedArr),
- // Constructor(long arg1, long arg2, (TestInterface or OnlyForUseInConstructor) arg3),
- NamedConstructor=Example,
- NamedConstructor=Example(DOMString str),
- NamedConstructor=Example2(DictForConstructor dict, any any1, object obj1,
-                           object? obj2, sequence<Dict> seq, optional any any2,
-                           optional object obj3, optional object? obj4),
- NamedConstructor=Example2((long or MozMap<any>) arg1)
- ]
-interface TestExampleInterface {
-  // Integer types
-  // XXXbz add tests for throwing versions of all the integer stuff
-  readonly attribute byte readonlyByte;
-  attribute byte writableByte;
-  void passByte(byte arg);
-  byte receiveByte();
-  void passOptionalByte(optional byte arg);
-  void passOptionalByteBeforeRequired(optional byte arg1, byte arg2);
-  void passOptionalByteWithDefault(optional byte arg = 0);
-  void passOptionalByteWithDefaultBeforeRequired(optional byte arg1 = 0, byte arg2);
-  void passNullableByte(byte? arg);
-  void passOptionalNullableByte(optional byte? arg);
-  void passVariadicByte(byte... arg);
-  [Cached, Pure]
-  readonly attribute byte cachedByte;
-  [StoreInSlot, Constant]
-  readonly attribute byte cachedConstantByte;
-  [Cached, Pure]
-  attribute byte cachedWritableByte;
-  [Affects=Nothing]
-  attribute byte sideEffectFreeByte;
-  [Affects=Nothing, DependsOn=DOMState]
-  attribute byte domDependentByte;
-  [Affects=Nothing, DependsOn=Nothing]
-  readonly attribute byte constantByte;
-  [DependsOn=DeviceState, Affects=Nothing]
-  readonly attribute byte deviceStateDependentByte;
-  [Affects=Nothing]
-  byte returnByteSideEffectFree();
-  [Affects=Nothing, DependsOn=DOMState]
-  byte returnDOMDependentByte();
-  [Affects=Nothing, DependsOn=Nothing]
-  byte returnConstantByte();
-  [DependsOn=DeviceState, Affects=Nothing]
-  byte returnDeviceStateDependentByte();
-
-  readonly attribute short readonlyShort;
-  attribute short writableShort;
-  void passShort(short arg);
-  short receiveShort();
-  void passOptionalShort(optional short arg);
-  void passOptionalShortWithDefault(optional short arg = 5);
-
-  readonly attribute long readonlyLong;
-  attribute long writableLong;
-  void passLong(long arg);
-  long receiveLong();
-  void passOptionalLong(optional long arg);
-  void passOptionalLongWithDefault(optional long arg = 7);
-
-  readonly attribute long long readonlyLongLong;
-  attribute long long writableLongLong;
-  void passLongLong(long long arg);
-  long long receiveLongLong();
-  void passOptionalLongLong(optional long long arg);
-  void passOptionalLongLongWithDefault(optional long long arg = -12);
-
-  readonly attribute octet readonlyOctet;
-  attribute octet writableOctet;
-  void passOctet(octet arg);
-  octet receiveOctet();
-  void passOptionalOctet(optional octet arg);
-  void passOptionalOctetWithDefault(optional octet arg = 19);
-
-  readonly attribute unsigned short readonlyUnsignedShort;
-  attribute unsigned short writableUnsignedShort;
-  void passUnsignedShort(unsigned short arg);
-  unsigned short receiveUnsignedShort();
-  void passOptionalUnsignedShort(optional unsigned short arg);
-  void passOptionalUnsignedShortWithDefault(optional unsigned short arg = 2);
-
-  readonly attribute unsigned long readonlyUnsignedLong;
-  attribute unsigned long writableUnsignedLong;
-  void passUnsignedLong(unsigned long arg);
-  unsigned long receiveUnsignedLong();
-  void passOptionalUnsignedLong(optional unsigned long arg);
-  void passOptionalUnsignedLongWithDefault(optional unsigned long arg = 6);
-
-  readonly attribute unsigned long long readonlyUnsignedLongLong;
-  attribute unsigned long long  writableUnsignedLongLong;
-  void passUnsignedLongLong(unsigned long long arg);
-  unsigned long long receiveUnsignedLongLong();
-  void passOptionalUnsignedLongLong(optional unsigned long long arg);
-  void passOptionalUnsignedLongLongWithDefault(optional unsigned long long arg = 17);
-
-  attribute float writableFloat;
-  attribute unrestricted float writableUnrestrictedFloat;
-  attribute float? writableNullableFloat;
-  attribute unrestricted float? writableNullableUnrestrictedFloat;
-  attribute double writableDouble;
-  attribute unrestricted double writableUnrestrictedDouble;
-  attribute double? writableNullableDouble;
-  attribute unrestricted double? writableNullableUnrestrictedDouble;
-  void passFloat(float arg1, unrestricted float arg2,
-                 float? arg3, unrestricted float? arg4,
-                 double arg5, unrestricted double arg6,
-                 double? arg7, unrestricted double? arg8,
-                 sequence<float> arg9, sequence<unrestricted float> arg10,
-                 sequence<float?> arg11, sequence<unrestricted float?> arg12,
-                 sequence<double> arg13, sequence<unrestricted double> arg14,
-                 sequence<double?> arg15, sequence<unrestricted double?> arg16);
-  [LenientFloat]
-  void passLenientFloat(float arg1, unrestricted float arg2,
-                        float? arg3, unrestricted float? arg4,
-                        double arg5, unrestricted double arg6,
-                        double? arg7, unrestricted double? arg8,
-                        sequence<float> arg9,
-                        sequence<unrestricted float> arg10,
-                        sequence<float?> arg11,
-                        sequence<unrestricted float?> arg12,
-                        sequence<double> arg13,
-                        sequence<unrestricted double> arg14,
-                        sequence<double?> arg15,
-                        sequence<unrestricted double?> arg16);
-  [LenientFloat]
-  attribute float lenientFloatAttr;
-  [LenientFloat]
-  attribute double lenientDoubleAttr;
-
-  // Castable interface types
-  // XXXbz add tests for throwing versions of all the castable interface stuff
-  TestInterface receiveSelf();
-  TestInterface? receiveNullableSelf();
-  TestInterface receiveWeakSelf();
-  TestInterface? receiveWeakNullableSelf();
-  void passSelf(TestInterface arg);
-  void passNullableSelf(TestInterface? arg);
-  attribute TestInterface nonNullSelf;
-  attribute TestInterface? nullableSelf;
-  [Cached, Pure]
-  readonly attribute TestInterface cachedSelf;
-  // Optional arguments
-  void passOptionalSelf(optional TestInterface? arg);
-  void passOptionalNonNullSelf(optional TestInterface arg);
-  void passOptionalSelfWithDefault(optional TestInterface? arg = null);
-
-  // Non-wrapper-cache interface types
-  [NewObject]
-  TestNonWrapperCacheInterface receiveNonWrapperCacheInterface();
-  [NewObject]
-  TestNonWrapperCacheInterface? receiveNullableNonWrapperCacheInterface();
-  [NewObject]
-  sequence<TestNonWrapperCacheInterface> receiveNonWrapperCacheInterfaceSequence();
-  [NewObject]
-  sequence<TestNonWrapperCacheInterface?> receiveNullableNonWrapperCacheInterfaceSequence();
-  [NewObject]
-  sequence<TestNonWrapperCacheInterface>? receiveNonWrapperCacheInterfaceNullableSequence();
-  [NewObject]
-  sequence<TestNonWrapperCacheInterface?>? receiveNullableNonWrapperCacheInterfaceNullableSequence();
-
-  // Non-castable interface types
-  IndirectlyImplementedInterface receiveOther();
-  IndirectlyImplementedInterface? receiveNullableOther();
-  IndirectlyImplementedInterface receiveWeakOther();
-  IndirectlyImplementedInterface? receiveWeakNullableOther();
-  void passOther(IndirectlyImplementedInterface arg);
-  void passNullableOther(IndirectlyImplementedInterface? arg);
-  attribute IndirectlyImplementedInterface nonNullOther;
-  attribute IndirectlyImplementedInterface? nullableOther;
-  // Optional arguments
-  void passOptionalOther(optional IndirectlyImplementedInterface? arg);
-  void passOptionalNonNullOther(optional IndirectlyImplementedInterface arg);
-  void passOptionalOtherWithDefault(optional IndirectlyImplementedInterface? arg = null);
-
-  // External interface types
-  TestExternalInterface receiveExternal();
-  TestExternalInterface? receiveNullableExternal();
-  TestExternalInterface receiveWeakExternal();
-  TestExternalInterface? receiveWeakNullableExternal();
-  void passExternal(TestExternalInterface arg);
-  void passNullableExternal(TestExternalInterface? arg);
-  attribute TestExternalInterface nonNullExternal;
-  attribute TestExternalInterface? nullableExternal;
-  // Optional arguments
-  void passOptionalExternal(optional TestExternalInterface? arg);
-  void passOptionalNonNullExternal(optional TestExternalInterface arg);
-  void passOptionalExternalWithDefault(optional TestExternalInterface? arg = null);
-
-  // Callback interface types
-  TestCallbackInterface receiveCallbackInterface();
-  TestCallbackInterface? receiveNullableCallbackInterface();
-  TestCallbackInterface receiveWeakCallbackInterface();
-  TestCallbackInterface? receiveWeakNullableCallbackInterface();
-  void passCallbackInterface(TestCallbackInterface arg);
-  void passNullableCallbackInterface(TestCallbackInterface? arg);
-  attribute TestCallbackInterface nonNullCallbackInterface;
-  attribute TestCallbackInterface? nullableCallbackInterface;
-  // Optional arguments
-  void passOptionalCallbackInterface(optional TestCallbackInterface? arg);
-  void passOptionalNonNullCallbackInterface(optional TestCallbackInterface arg);
-  void passOptionalCallbackInterfaceWithDefault(optional TestCallbackInterface? arg = null);
-
-  // Miscellaneous interface tests
-  IndirectlyImplementedInterface receiveConsequentialInterface();
-  void passConsequentialInterface(IndirectlyImplementedInterface arg);
-
-  // Sequence types
-  [Cached, Pure]
-  readonly attribute sequence<long> readonlySequence;
-  [Cached, Pure]
-  readonly attribute sequence<Dict> readonlySequenceOfDictionaries;
-  [Cached, Pure]
-  readonly attribute sequence<Dict>? readonlyNullableSequenceOfDictionaries;
-  [Cached, Pure, Frozen]
-  readonly attribute sequence<long> readonlyFrozenSequence;
-  [Cached, Pure, Frozen]
-  readonly attribute sequence<long>? readonlyFrozenNullableSequence;
-  sequence<long> receiveSequence();
-  sequence<long>? receiveNullableSequence();
-  sequence<long?> receiveSequenceOfNullableInts();
-  sequence<long?>? receiveNullableSequenceOfNullableInts();
-  void passSequence(sequence<long> arg);
-  void passNullableSequence(sequence<long>? arg);
-  void passSequenceOfNullableInts(sequence<long?> arg);
-  void passOptionalSequenceOfNullableInts(optional sequence<long?> arg);
-  void passOptionalNullableSequenceOfNullableInts(optional sequence<long?>? arg);
-  sequence<TestInterface> receiveCastableObjectSequence();
-  sequence<TestCallbackInterface> receiveCallbackObjectSequence();
-  sequence<TestInterface?> receiveNullableCastableObjectSequence();
-  sequence<TestCallbackInterface?> receiveNullableCallbackObjectSequence();
-  sequence<TestInterface>? receiveCastableObjectNullableSequence();
-  sequence<TestInterface?>? receiveNullableCastableObjectNullableSequence();
-  sequence<TestInterface> receiveWeakCastableObjectSequence();
-  sequence<TestInterface?> receiveWeakNullableCastableObjectSequence();
-  sequence<TestInterface>? receiveWeakCastableObjectNullableSequence();
-  sequence<TestInterface?>? receiveWeakNullableCastableObjectNullableSequence();
-  void passCastableObjectSequence(sequence<TestInterface> arg);
-  void passNullableCastableObjectSequence(sequence<TestInterface?> arg);
-  void passCastableObjectNullableSequence(sequence<TestInterface>? arg);
-  void passNullableCastableObjectNullableSequence(sequence<TestInterface?>? arg);
-  void passOptionalSequence(optional sequence<long> arg);
-  void passOptionalSequenceWithDefaultValue(optional sequence<long> arg = []);
-  void passOptionalNullableSequence(optional sequence<long>? arg);
-  void passOptionalNullableSequenceWithDefaultValue(optional sequence<long>? arg = null);
-  void passOptionalNullableSequenceWithDefaultValue2(optional sequence<long>? arg = []);
-  void passOptionalObjectSequence(optional sequence<TestInterface> arg);
-  void passExternalInterfaceSequence(sequence<TestExternalInterface> arg);
-  void passNullableExternalInterfaceSequence(sequence<TestExternalInterface?> arg);
-
-  sequence<DOMString> receiveStringSequence();
-  void passStringSequence(sequence<DOMString> arg);
-
-  sequence<ByteString> receiveByteStringSequence();
-  void passByteStringSequence(sequence<ByteString> arg);
-
-  sequence<any> receiveAnySequence();
-  sequence<any>? receiveNullableAnySequence();
-  //XXXbz No support for sequence of sequence return values yet.
-  //sequence<sequence<any>> receiveAnySequenceSequence();
-
-  sequence<object> receiveObjectSequence();
-  sequence<object?> receiveNullableObjectSequence();
-
-  void passSequenceOfSequences(sequence<sequence<long>> arg);
-  void passSequenceOfSequencesOfSequences(sequence<sequence<sequence<long>>> arg);
-  //XXXbz No support for sequence of sequence return values yet.
-  //sequence<sequence<long>> receiveSequenceOfSequences();
-
-  // MozMap types
-  void passMozMap(MozMap<long> arg);
-  void passNullableMozMap(MozMap<long>? arg);
-  void passMozMapOfNullableInts(MozMap<long?> arg);
-  void passOptionalMozMapOfNullableInts(optional MozMap<long?> arg);
-  void passOptionalNullableMozMapOfNullableInts(optional MozMap<long?>? arg);
-  void passCastableObjectMozMap(MozMap<TestInterface> arg);
-  void passNullableCastableObjectMozMap(MozMap<TestInterface?> arg);
-  void passCastableObjectNullableMozMap(MozMap<TestInterface>? arg);
-  void passNullableCastableObjectNullableMozMap(MozMap<TestInterface?>? arg);
-  void passOptionalMozMap(optional MozMap<long> arg);
-  void passOptionalNullableMozMap(optional MozMap<long>? arg);
-  void passOptionalNullableMozMapWithDefaultValue(optional MozMap<long>? arg = null);
-  void passOptionalObjectMozMap(optional MozMap<TestInterface> arg);
-  void passExternalInterfaceMozMap(MozMap<TestExternalInterface> arg);
-  void passNullableExternalInterfaceMozMap(MozMap<TestExternalInterface?> arg);
-  void passStringMozMap(MozMap<DOMString> arg);
-  void passByteStringMozMap(MozMap<ByteString> arg);
-  void passMozMapOfMozMaps(MozMap<MozMap<long>> arg);
-  MozMap<long> receiveMozMap();
-  MozMap<long>? receiveNullableMozMap();
-  MozMap<long?> receiveMozMapOfNullableInts();
-  MozMap<long?>? receiveNullableMozMapOfNullableInts();
-  //XXXbz No support for MozMap of MozMaps return values yet.
-  //MozMap<MozMap<long>> receiveMozMapOfMozMaps();
-  MozMap<any> receiveAnyMozMap();
-
-  // Typed array types
-  void passArrayBuffer(ArrayBuffer arg);
-  void passNullableArrayBuffer(ArrayBuffer? arg);
-  void passOptionalArrayBuffer(optional ArrayBuffer arg);
-  void passOptionalNullableArrayBuffer(optional ArrayBuffer? arg);
-  void passOptionalNullableArrayBufferWithDefaultValue(optional ArrayBuffer? arg= null);
-  void passArrayBufferView(ArrayBufferView arg);
-  void passInt8Array(Int8Array arg);
-  void passInt16Array(Int16Array arg);
-  void passInt32Array(Int32Array arg);
-  void passUint8Array(Uint8Array arg);
-  void passUint16Array(Uint16Array arg);
-  void passUint32Array(Uint32Array arg);
-  void passUint8ClampedArray(Uint8ClampedArray arg);
-  void passFloat32Array(Float32Array arg);
-  void passFloat64Array(Float64Array arg);
-  void passSequenceOfArrayBuffers(sequence<ArrayBuffer> arg);
-  void passSequenceOfNullableArrayBuffers(sequence<ArrayBuffer?> arg);
-  void passMozMapOfArrayBuffers(MozMap<ArrayBuffer> arg);
-  void passMozMapOfNullableArrayBuffers(MozMap<ArrayBuffer?> arg);
-  void passVariadicTypedArray(Float32Array... arg);
-  void passVariadicNullableTypedArray(Float32Array?... arg);
-  Uint8Array receiveUint8Array();
-  attribute Uint8Array uint8ArrayAttr;
-
-  // DOMString types
-  void passString(DOMString arg);
-  void passNullableString(DOMString? arg);
-  void passOptionalString(optional DOMString arg);
-  void passOptionalStringWithDefaultValue(optional DOMString arg = "abc");
-  void passOptionalNullableString(optional DOMString? arg);
-  void passOptionalNullableStringWithDefaultValue(optional DOMString? arg = null);
-  void passVariadicString(DOMString... arg);
-
-  // ByteString types
-  void passByteString(ByteString arg);
-  void passNullableByteString(ByteString? arg);
-  void passOptionalByteString(optional ByteString arg);
-  void passOptionalByteStringWithDefaultValue(optional ByteString arg = "abc");
-  void passOptionalNullableByteString(optional ByteString? arg);
-  void passOptionalNullableByteStringWithDefaultValue(optional ByteString? arg = null);
-  void passVariadicByteString(ByteString... arg);
-  void passUnionByteString((ByteString or long) arg);
-  void passOptionalUnionByteString(optional (ByteString or long) arg);
-  void passOptionalUnionByteStringWithDefaultValue(optional (ByteString or long) arg = "abc");
-
-  // USVString types
-  void passSVS(USVString arg);
-  void passNullableSVS(USVString? arg);
-  void passOptionalSVS(optional USVString arg);
-  void passOptionalSVSWithDefaultValue(optional USVString arg = "abc");
-  void passOptionalNullableSVS(optional USVString? arg);
-  void passOptionalNullableSVSWithDefaultValue(optional USVString? arg = null);
-  void passVariadicSVS(USVString... arg);
-  USVString receiveSVS();
-
-  // Enumerated types
-  void passEnum(TestEnum arg);
-  void passNullableEnum(TestEnum? arg);
-  void passOptionalEnum(optional TestEnum arg);
-  void passEnumWithDefault(optional TestEnum arg = "a");
-  void passOptionalNullableEnum(optional TestEnum? arg);
-  void passOptionalNullableEnumWithDefaultValue(optional TestEnum? arg = null);
-  void passOptionalNullableEnumWithDefaultValue2(optional TestEnum? arg = "a");
-  TestEnum receiveEnum();
-  TestEnum? receiveNullableEnum();
-  attribute TestEnum enumAttribute;
-  readonly attribute TestEnum readonlyEnumAttribute;
-
-  // Callback types
-  void passCallback(TestCallback arg);
-  void passNullableCallback(TestCallback? arg);
-  void passOptionalCallback(optional TestCallback arg);
-  void passOptionalNullableCallback(optional TestCallback? arg);
-  void passOptionalNullableCallbackWithDefaultValue(optional TestCallback? arg = null);
-  TestCallback receiveCallback();
-  TestCallback? receiveNullableCallback();
-  void passNullableTreatAsNullCallback(TestTreatAsNullCallback? arg);
-  void passOptionalNullableTreatAsNullCallback(optional TestTreatAsNullCallback? arg);
-  void passOptionalNullableTreatAsNullCallbackWithDefaultValue(optional TestTreatAsNullCallback? arg = null);
-
-  // Any types
-  void passAny(any arg);
-  void passVariadicAny(any... arg);
-  void passOptionalAny(optional any arg);
-  void passAnyDefaultNull(optional any arg = null);
-  void passSequenceOfAny(sequence<any> arg);
-  void passNullableSequenceOfAny(sequence<any>? arg);
-  void passOptionalSequenceOfAny(optional sequence<any> arg);
-  void passOptionalNullableSequenceOfAny(optional sequence<any>? arg);
-  void passOptionalSequenceOfAnyWithDefaultValue(optional sequence<any>? arg = null);
-  void passSequenceOfSequenceOfAny(sequence<sequence<any>> arg);
-  void passSequenceOfNullableSequenceOfAny(sequence<sequence<any>?> arg);
-  void passNullableSequenceOfNullableSequenceOfAny(sequence<sequence<any>?>? arg);
-  void passOptionalNullableSequenceOfNullableSequenceOfAny(optional sequence<sequence<any>?>? arg);
-  void passMozMapOfAny(MozMap<any> arg);
-  void passNullableMozMapOfAny(MozMap<any>? arg);
-  void passOptionalMozMapOfAny(optional MozMap<any> arg);
-  void passOptionalNullableMozMapOfAny(optional MozMap<any>? arg);
-  void passOptionalMozMapOfAnyWithDefaultValue(optional MozMap<any>? arg = null);
-  void passMozMapOfMozMapOfAny(MozMap<MozMap<any>> arg);
-  void passMozMapOfNullableMozMapOfAny(MozMap<MozMap<any>?> arg);
-  void passNullableMozMapOfNullableMozMapOfAny(MozMap<MozMap<any>?>? arg);
-  void passOptionalNullableMozMapOfNullableMozMapOfAny(optional MozMap<MozMap<any>?>? arg);
-  void passOptionalNullableMozMapOfNullableSequenceOfAny(optional MozMap<sequence<any>?>? arg);
-  void passOptionalNullableSequenceOfNullableMozMapOfAny(optional sequence<MozMap<any>?>? arg);
-  any receiveAny();
-
-  // object types
-  void passObject(object arg);
-  void passVariadicObject(object... arg);
-  void passNullableObject(object? arg);
-  void passVariadicNullableObject(object... arg);
-  void passOptionalObject(optional object arg);
-  void passOptionalNullableObject(optional object? arg);
-  void passOptionalNullableObjectWithDefaultValue(optional object? arg = null);
-  void passSequenceOfObject(sequence<object> arg);
-  void passSequenceOfNullableObject(sequence<object?> arg);
-  void passNullableSequenceOfObject(sequence<object>? arg);
-  void passOptionalNullableSequenceOfNullableSequenceOfObject(optional sequence<sequence<object>?>? arg);
-  void passOptionalNullableSequenceOfNullableSequenceOfNullableObject(optional sequence<sequence<object?>?>? arg);
-  void passMozMapOfObject(MozMap<object> arg);
-  object receiveObject();
-  object? receiveNullableObject();
-
-  // Union types
-  void passUnion((object or long) arg);
-  // Some union tests are debug-only to avoid creating all those
-  // unused union types in opt builds.
-#ifdef DEBUG
-  void passUnion2((long or boolean) arg);
-  void passUnion3((object or long or boolean) arg);
-  void passUnion4((Node or long or boolean) arg);
-  void passUnion5((object or boolean) arg);
-  void passUnion6((object or DOMString) arg);
-  void passUnion7((object or DOMString or long) arg);
-  void passUnion8((object or DOMString or boolean) arg);
-  void passUnion9((object or DOMString or long or boolean) arg);
-  void passUnion10(optional (EventInit or long) arg);
-  void passUnion11(optional (CustomEventInit or long) arg);
-  void passUnion12(optional (EventInit or long) arg = 5);
-  void passUnion13(optional (object or long?) arg = null);
-  void passUnion14(optional (object or long?) arg = 5);
-  void passUnion15((sequence<long> or long) arg);
-  void passUnion16(optional (sequence<long> or long) arg);
-  void passUnion17(optional (sequence<long>? or long) arg = 5);
-  void passUnion18((sequence<object> or long) arg);
-  void passUnion19(optional (sequence<object> or long) arg);
-  void passUnion20(optional (sequence<object> or long) arg = []);
-  void passUnion21((MozMap<long> or long) arg);
-  void passUnion22((MozMap<object> or long) arg);
-  void passUnion23((sequence<ImageData> or long) arg);
-  void passUnion24((sequence<ImageData?> or long) arg);
-  void passUnion25((sequence<sequence<ImageData>> or long) arg);
-  void passUnion26((sequence<sequence<ImageData?>> or long) arg);
-  void passUnion27(optional (sequence<DOMString> or EventInit) arg);
-  void passUnion28(optional (EventInit or sequence<DOMString>) arg);
-  void passUnionWithCallback((EventHandler or long) arg);
-  void passUnionWithByteString((ByteString or long) arg);
-  void passUnionWithMozMap((MozMap<DOMString> or DOMString) arg);
-  void passUnionWithMozMapAndSequence((MozMap<DOMString> or sequence<DOMString>) arg);
-  void passUnionWithSequenceAndMozMap((sequence<DOMString> or MozMap<DOMString>) arg);
-  void passUnionWithSVS((USVString or long) arg);
-#endif
-  void passUnionWithNullable((object? or long) arg);
-  void passNullableUnion((object or long)? arg);
-  void passOptionalUnion(optional (object or long) arg);
-  void passOptionalNullableUnion(optional (object or long)? arg);
-  void passOptionalNullableUnionWithDefaultValue(optional (object or long)? arg = null);
-  //void passUnionWithInterfaces((TestInterface or TestExternalInterface) arg);
-  //void passUnionWithInterfacesAndNullable((TestInterface? or TestExternalInterface) arg);
-  //void passUnionWithSequence((sequence<object> or long) arg);
-  void passUnionWithArrayBuffer((ArrayBuffer or long) arg);
-  void passUnionWithString((DOMString or object) arg);
-  // Using an enum in a union.  Note that we use some enum not declared in our
-  // binding file, because UnionTypes.h will need to include the binding header
-  // for this enum.  Pick an enum from an interface that won't drag in too much
-  // stuff.
-  void passUnionWithEnum((SupportedType or object) arg);
-
-  // Trying to use a callback in a union won't include the test
-  // headers, unfortunately, so won't compile.
-  //  void passUnionWithCallback((TestCallback or long) arg);
-  void passUnionWithObject((object or long) arg);
-  //void passUnionWithDict((Dict or long) arg);
-
-  void passUnionWithDefaultValue1(optional (double or DOMString) arg = "");
-  void passUnionWithDefaultValue2(optional (double or DOMString) arg = 1);
-  void passUnionWithDefaultValue3(optional (double or DOMString) arg = 1.5);
-  void passUnionWithDefaultValue4(optional (float or DOMString) arg = "");
-  void passUnionWithDefaultValue5(optional (float or DOMString) arg = 1);
-  void passUnionWithDefaultValue6(optional (float or DOMString) arg = 1.5);
-  void passUnionWithDefaultValue7(optional (unrestricted double or DOMString) arg = "");
-  void passUnionWithDefaultValue8(optional (unrestricted double or DOMString) arg = 1);
-  void passUnionWithDefaultValue9(optional (unrestricted double or DOMString) arg = 1.5);
-  void passUnionWithDefaultValue10(optional (unrestricted double or DOMString) arg = Infinity);
-  void passUnionWithDefaultValue11(optional (unrestricted float or DOMString) arg = "");
-  void passUnionWithDefaultValue12(optional (unrestricted float or DOMString) arg = 1);
-  void passUnionWithDefaultValue13(optional (unrestricted float or DOMString) arg = Infinity);
-  void passUnionWithDefaultValue14(optional (double or ByteString) arg = "");
-  void passUnionWithDefaultValue15(optional (double or ByteString) arg = 1);
-  void passUnionWithDefaultValue16(optional (double or ByteString) arg = 1.5);
-  void passUnionWithDefaultValue17(optional (double or SupportedType) arg = "text/html");
-  void passUnionWithDefaultValue18(optional (double or SupportedType) arg = 1);
-  void passUnionWithDefaultValue19(optional (double or SupportedType) arg = 1.5);
-
-  void passNullableUnionWithDefaultValue1(optional (double or DOMString)? arg = "");
-  void passNullableUnionWithDefaultValue2(optional (double or DOMString)? arg = 1);
-  void passNullableUnionWithDefaultValue3(optional (double or DOMString)? arg = null);
-  void passNullableUnionWithDefaultValue4(optional (float or DOMString)? arg = "");
-  void passNullableUnionWithDefaultValue5(optional (float or DOMString)? arg = 1);
-  void passNullableUnionWithDefaultValue6(optional (float or DOMString)? arg = null);
-  void passNullableUnionWithDefaultValue7(optional (unrestricted double or DOMString)? arg = "");
-  void passNullableUnionWithDefaultValue8(optional (unrestricted double or DOMString)? arg = 1);
-  void passNullableUnionWithDefaultValue9(optional (unrestricted double or DOMString)? arg = null);
-  void passNullableUnionWithDefaultValue10(optional (unrestricted float or DOMString)? arg = "");
-  void passNullableUnionWithDefaultValue11(optional (unrestricted float or DOMString)? arg = 1);
-  void passNullableUnionWithDefaultValue12(optional (unrestricted float or DOMString)? arg = null);
-  void passNullableUnionWithDefaultValue13(optional (double or ByteString)? arg = "");
-  void passNullableUnionWithDefaultValue14(optional (double or ByteString)? arg = 1);
-  void passNullableUnionWithDefaultValue15(optional (double or ByteString)? arg = 1.5);
-  void passNullableUnionWithDefaultValue16(optional (double or ByteString)? arg = null);
-  void passNullableUnionWithDefaultValue17(optional (double or SupportedType)? arg = "text/html");
-  void passNullableUnionWithDefaultValue18(optional (double or SupportedType)? arg = 1);
-  void passNullableUnionWithDefaultValue19(optional (double or SupportedType)? arg = 1.5);
-  void passNullableUnionWithDefaultValue20(optional (double or SupportedType)? arg = null);
-
-  void passSequenceOfUnions(sequence<(CanvasPattern or CanvasGradient)> arg);
-  void passSequenceOfUnions2(sequence<(object or long)> arg);
-  void passVariadicUnion((CanvasPattern or CanvasGradient)... arg);
-
-  void passSequenceOfNullableUnions(sequence<(CanvasPattern or CanvasGradient)?> arg);
-  void passVariadicNullableUnion((CanvasPattern or CanvasGradient)?... arg);
-  void passMozMapOfUnions(MozMap<(CanvasPattern or CanvasGradient)> arg);
-  // XXXbz no move constructor on some unions
-  // void passMozMapOfUnions2(MozMap<(object or long)> arg);
-
-  (CanvasPattern or CanvasGradient) receiveUnion();
-  (object or long) receiveUnion2();
-  (CanvasPattern? or CanvasGradient) receiveUnionContainingNull();
-  (CanvasPattern or CanvasGradient)? receiveNullableUnion();
-  (object or long)? receiveNullableUnion2();
-
-  attribute (CanvasPattern or CanvasGradient) writableUnion;
-  attribute (CanvasPattern? or CanvasGradient) writableUnionContainingNull;
-  attribute (CanvasPattern or CanvasGradient)? writableNullableUnion;
-
-  // Date types
-  void passDate(Date arg);
-  void passNullableDate(Date? arg);
-  void passOptionalDate(optional Date arg);
-  void passOptionalNullableDate(optional Date? arg);
-  void passOptionalNullableDateWithDefaultValue(optional Date? arg = null);
-  void passDateSequence(sequence<Date> arg);
-  void passNullableDateSequence(sequence<Date?> arg);
-  void passDateMozMap(MozMap<Date> arg);
-  Date receiveDate();
-  Date? receiveNullableDate();
-
-  // Promise types
-  void passPromise(Promise<any> arg);
-  void passNullablePromise(Promise<any>? arg);
-  void passOptionalPromise(optional Promise<any> arg);
-  void passOptionalNullablePromise(optional Promise<any>? arg);
-  void passOptionalNullablePromiseWithDefaultValue(optional Promise<any>? arg = null);
-  void passPromiseSequence(sequence<Promise<any>> arg);
-  void passNullablePromiseSequence(sequence<Promise<any>?> arg);
-  Promise<any> receivePromise();
-  Promise<any> receiveAddrefedPromise();
-
-  // binaryNames tests
-  void methodRenamedFrom();
-  [BinaryName="otherMethodRenamedTo"]
-  void otherMethodRenamedFrom();
-  void methodRenamedFrom(byte argument);
-  readonly attribute byte attributeGetterRenamedFrom;
-  attribute byte attributeRenamedFrom;
-  [BinaryName="otherAttributeRenamedTo"]
-  attribute byte otherAttributeRenamedFrom;
-
-  void passDictionary(optional Dict x);
-  void passDictionary2(Dict x);
-  [Cached, Pure]
-  readonly attribute Dict readonlyDictionary;
-  [Cached, Pure]
-  readonly attribute Dict? readonlyNullableDictionary;
-  [Cached, Pure]
-  attribute Dict writableDictionary;
-  [Cached, Pure, Frozen]
-  readonly attribute Dict readonlyFrozenDictionary;
-  [Cached, Pure, Frozen]
-  readonly attribute Dict? readonlyFrozenNullableDictionary;
-  [Cached, Pure, Frozen]
-  attribute Dict writableFrozenDictionary;
-  Dict receiveDictionary();
-  Dict? receiveNullableDictionary();
-  void passOtherDictionary(optional GrandparentDict x);
-  void passSequenceOfDictionaries(sequence<Dict> x);
-  void passMozMapOfDictionaries(MozMap<GrandparentDict> x);
-  // No support for nullable dictionaries inside a sequence (nor should there be)
-  //  void passSequenceOfNullableDictionaries(sequence<Dict?> x);
-  void passDictionaryOrLong(optional Dict x);
-  void passDictionaryOrLong(long x);
-
-  void passDictContainingDict(optional DictContainingDict arg);
-  void passDictContainingSequence(optional DictContainingSequence arg);
-  DictContainingSequence receiveDictContainingSequence();
-  void passVariadicDictionary(Dict... arg);
-
-  // EnforceRange/Clamp tests
-  void dontEnforceRangeOrClamp(byte arg);
-  void doEnforceRange([EnforceRange] byte arg);
-  void doClamp([Clamp] byte arg);
-  [EnforceRange] attribute byte enforcedByte;
-  [Clamp] attribute byte clampedByte;
-
-  // Typedefs
-  const myLong myLongConstant = 5;
-  void exerciseTypedefInterfaces1(AnotherNameForTestInterface arg);
-  AnotherNameForTestInterface exerciseTypedefInterfaces2(NullableTestInterface arg);
-  void exerciseTypedefInterfaces3(YetAnotherNameForTestInterface arg);
-
-  // Deprecated methods and attributes
-  [Deprecated="GetAttributeNode"]
-  attribute boolean deprecatedAttribute;
-  [Deprecated="GetAttributeNode"]
-  void deprecatedMethod(boolean arg);
-  [Deprecated="GetAttributeNode"]
-  void deprecatedMethodWithContext(any arg);
-
-  // Static methods and attributes
-  static attribute boolean staticAttribute;
-  static void staticMethod(boolean arg);
-  static void staticMethodWithContext(any arg);
-
-  // Deprecated methods and attributes;
-  [Deprecated="GetAttributeNode"]
-  static attribute boolean staticDeprecatedAttribute;
-  [Deprecated="GetAttributeNode"]
-  static void staticDeprecatedMethod(boolean arg);
-  [Deprecated="GetAttributeNode"]
-  static void staticDeprecatedMethodWithContext(any arg);
-
-  // Overload resolution tests
-  //void overload1(DOMString... strs);
-  boolean overload1(TestInterface arg);
-  TestInterface overload1(DOMString strs, TestInterface arg);
-  void overload2(TestInterface arg);
-  void overload2(optional Dict arg);
-  void overload2(boolean arg);
-  void overload2(DOMString arg);
-  void overload2(Date arg);
-  void overload3(TestInterface arg);
-  void overload3(TestCallback arg);
-  void overload3(boolean arg);
-  void overload4(TestInterface arg);
-  void overload4(TestCallbackInterface arg);
-  void overload4(DOMString arg);
-  void overload5(long arg);
-  void overload5(TestEnum arg);
-  void overload6(long arg);
-  void overload6(boolean arg);
-  void overload7(long arg);
-  void overload7(boolean arg);
-  void overload7(ByteString arg);
-  void overload8(long arg);
-  void overload8(TestInterface arg);
-  void overload9(long? arg);
-  void overload9(DOMString arg);
-  void overload10(long? arg);
-  void overload10(object arg);
-  void overload11(long arg);
-  void overload11(DOMString? arg);
-  void overload12(long arg);
-  void overload12(boolean? arg);
-  void overload13(long? arg);
-  void overload13(boolean arg);
-  void overload14(optional long arg);
-  void overload14(TestInterface arg);
-  void overload15(long arg);
-  void overload15(optional TestInterface arg);
-  void overload16(long arg);
-  void overload16(optional TestInterface? arg);
-  void overload17(sequence<long> arg);
-  void overload17(MozMap<long> arg);
-  void overload18(MozMap<DOMString> arg);
-  void overload18(sequence<DOMString> arg);
-  void overload19(sequence<long> arg);
-  void overload19(optional Dict arg);
-  void overload20(optional Dict arg);
-  void overload20(sequence<long> arg);
-
-  // Variadic handling
-  void passVariadicThirdArg(DOMString arg1, long arg2, TestInterface... arg3);
-
-  // Conditionally exposed methods/attributes
-  [Pref="abc.def"]
-  readonly attribute boolean prefable1;
-  [Pref="abc.def"]
-  readonly attribute boolean prefable2;
-  [Pref="ghi.jkl"]
-  readonly attribute boolean prefable3;
-  [Pref="ghi.jkl"]
-  readonly attribute boolean prefable4;
-  [Pref="abc.def"]
-  readonly attribute boolean prefable5;
-  [Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  readonly attribute boolean prefable6;
-  [Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  readonly attribute boolean prefable7;
-  [Pref="ghi.jkl", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  readonly attribute boolean prefable8;
-  [Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  readonly attribute boolean prefable9;
-  [Pref="abc.def"]
-  void prefable10();
-  [Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  void prefable11();
-  [Pref="abc.def", Func="TestFuncControlledMember"]
-  readonly attribute boolean prefable12;
-  [Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  void prefable13();
-  [Pref="abc.def", Func="TestFuncControlledMember"]
-  readonly attribute boolean prefable14;
-  [Func="TestFuncControlledMember"]
-  readonly attribute boolean prefable15;
-  [Func="TestFuncControlledMember"]
-  readonly attribute boolean prefable16;
-  [Pref="abc.def", Func="TestFuncControlledMember"]
-  void prefable17();
-  [Func="TestFuncControlledMember"]
-  void prefable18();
-  [Func="TestFuncControlledMember"]
-  void prefable19();
-
-  // Conditionally exposed methods/attributes involving [SecureContext]
-  [SecureContext]
-  readonly attribute boolean conditionalOnSecureContext1;
-  [SecureContext, Pref="abc.def"]
-  readonly attribute boolean conditionalOnSecureContext2;
-  [SecureContext, Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  readonly attribute boolean conditionalOnSecureContext3;
-  [SecureContext, Pref="abc.def", Func="TestFuncControlledMember"]
-  readonly attribute boolean conditionalOnSecureContext4;
-  [SecureContext]
-  void conditionalOnSecureContext5();
-  [SecureContext, Pref="abc.def"]
-  void conditionalOnSecureContext6();
-  [SecureContext, Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  void conditionalOnSecureContext7();
-  [SecureContext, Pref="abc.def", Func="TestFuncControlledMember"]
-  void conditionalOnSecureContext8();
-
-  // Miscellania
-  [LenientThis] attribute long attrWithLenientThis;
-  [Unforgeable] readonly attribute long unforgeableAttr;
-  [Unforgeable, ChromeOnly] readonly attribute long unforgeableAttr2;
-  [Unforgeable] long unforgeableMethod();
-  [Unforgeable, ChromeOnly] long unforgeableMethod2();
-  stringifier;
-  void passRenamedInterface(TestRenamedInterface arg);
-  [PutForwards=writableByte] readonly attribute TestExampleInterface putForwardsAttr;
-  [PutForwards=writableByte, LenientThis] readonly attribute TestExampleInterface putForwardsAttr2;
-  [PutForwards=writableByte, ChromeOnly] readonly attribute TestExampleInterface putForwardsAttr3;
-  [Throws] void throwingMethod();
-  [Throws] attribute boolean throwingAttr;
-  [GetterThrows] attribute boolean throwingGetterAttr;
-  [SetterThrows] attribute boolean throwingSetterAttr;
-  [NeedsSubjectPrincipal] void needsSubjectPrincipalMethod();
-  [NeedsSubjectPrincipal] attribute boolean needsSubjectPrincipalAttr;
-  [NeedsCallerType] void needsCallerTypeMethod();
-  [NeedsCallerType] attribute boolean needsCallerTypeAttr;
-  [CEReactions] void ceReactionsMethod();
-  [CEReactions] void ceReactionsMethodOverload();
-  [CEReactions] void ceReactionsMethodOverload(DOMString bar);
-  [CEReactions] attribute boolean ceReactionsAttr;
-  legacycaller short(unsigned long arg1, TestInterface arg2);
-  void passArgsWithDefaults(optional long arg1,
-                            optional TestInterface? arg2 = null,
-                            optional Dict arg3, optional double arg4 = 5.0,
-                            optional float arg5);
-  attribute any jsonifierShouldSkipThis;
-  attribute TestParentInterface jsonifierShouldSkipThis2;
-  attribute TestCallbackInterface jsonifierShouldSkipThis3;
-  jsonifier;
-
-  attribute byte dashed-attribute;
-  void dashed-method();
-
-  // If you add things here, add them to TestCodeGen and TestJSImplGen as well
-};
-
-interface TestExampleProxyInterface {
-  getter long longIndexedGetter(unsigned long ix);
-  setter creator void longIndexedSetter(unsigned long y, long z);
-  stringifier DOMString myStringifier();
-  getter short shortNameGetter(DOMString nom);
-  deleter void (DOMString nomnom);
-  setter creator void shortNamedSetter(DOMString me, short value);
-};
-
-[Exposed=(Window,Worker)]
-interface TestExampleWorkerInterface {
-  [NeedsSubjectPrincipal] void needsSubjectPrincipalMethod();
-  [NeedsSubjectPrincipal] attribute boolean needsSubjectPrincipalAttr;
-  [NeedsCallerType] void needsCallerTypeMethod();
-  [NeedsCallerType] attribute boolean needsCallerTypeAttr;
-};
diff --git a/dom/bindings/test/TestFunctions.cpp b/dom/bindings/test/TestFunctions.cpp
deleted file mode 100644
index f05c92b48..000000000
--- a/dom/bindings/test/TestFunctions.cpp
+++ /dev/null
@@ -1,94 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=8 sts=2 et sw=2 tw=80: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "mozilla/dom/TestFunctions.h"
-#include "mozilla/dom/TestFunctionsBinding.h"
-#include "nsStringBuffer.h"
-
-namespace mozilla {
-namespace dom {
-
-/* static */ TestFunctions*
-TestFunctions::Constructor(GlobalObject& aGlobal, ErrorResult& aRv)
-{
-  return new TestFunctions;
-}
-
-/* static */ void
-TestFunctions::ThrowUncatchableException(GlobalObject& aGlobal,
-                                         ErrorResult& aRv)
-{
-  aRv.ThrowUncatchableException();
-}
-
-/* static */ Promise*
-TestFunctions::PassThroughPromise(GlobalObject& aGlobal, Promise& aPromise)
-{
-  return &aPromise;
-}
-
-/* static */ already_AddRefed<Promise>
-TestFunctions::PassThroughCallbackPromise(GlobalObject& aGlobal,
-                                          PromiseReturner& aCallback,
-                                          ErrorResult& aRv)
-{
-  return aCallback.Call(aRv);
-}
-
-void
-TestFunctions::SetStringData(const nsAString& aString)
-{
-  mStringData = aString;
-}
-
-void
-TestFunctions::GetStringDataAsAString(nsAString& aString)
-{
-  aString = mStringData;
-}
-
-void
-TestFunctions::GetStringDataAsAString(uint32_t aLength, nsAString& aString)
-{
-  MOZ_RELEASE_ASSERT(aLength <= mStringData.Length(),
-                     "Bogus test passing in a too-big length");
-  aString.Assign(mStringData.BeginReading(), aLength);
-}
-
-void
-TestFunctions::GetStringDataAsDOMString(const Optional<uint32_t>& aLength,
-                                        DOMString& aString)
-{
-  uint32_t length;
-  if (aLength.WasPassed()) {
-    length = aLength.Value();
-    MOZ_RELEASE_ASSERT(length <= mStringData.Length(),
-                       "Bogus test passing in a too-big length");
-  } else {
-    length = mStringData.Length();
-  }
-
-  nsStringBuffer* buf = nsStringBuffer::FromString(mStringData);
-  if (buf) {
-    aString.SetStringBuffer(buf, length);
-    return;
-  }
-
-  // We better have an empty mStringData; otherwise why did we not have a string
-  // buffer?
-  MOZ_RELEASE_ASSERT(length == 0, "Why no stringbuffer?");
-  // No need to do anything here; aString is already empty.
-}
-
-bool
-TestFunctions::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
-                          JS::MutableHandle<JSObject*> aWrapper)
-{
-  return TestFunctionsBinding::Wrap(aCx, this, aGivenProto, aWrapper);
-}
-
-}
-}
diff --git a/dom/bindings/test/TestFunctions.h b/dom/bindings/test/TestFunctions.h
deleted file mode 100644
index b35464824..000000000
--- a/dom/bindings/test/TestFunctions.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=8 sts=2 et sw=2 tw=80: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef mozilla_dom_TestFunctions_h
-#define mozilla_dom_TestFunctions_h
-
-#include "mozilla/ErrorResult.h"
-#include "mozilla/dom/BindingDeclarations.h"
-#include "mozilla/dom/NonRefcountedDOMObject.h"
-#include "nsString.h"
-
-namespace mozilla {
-namespace dom {
-
-class Promise;
-class PromiseReturner;
-
-class TestFunctions : public NonRefcountedDOMObject {
-public:
-  static TestFunctions* Constructor(GlobalObject& aGlobal, ErrorResult& aRv);
-
-  static void
-  ThrowUncatchableException(GlobalObject& aGlobal, ErrorResult& aRv);
-
-  static Promise*
-  PassThroughPromise(GlobalObject& aGlobal, Promise& aPromise);
-
-  static already_AddRefed<Promise>
-  PassThroughCallbackPromise(GlobalObject& aGlobal,
-                             PromiseReturner& aCallback,
-                             ErrorResult& aRv);
-
-  void SetStringData(const nsAString& aString);
-
-  void GetStringDataAsAString(nsAString& aString);
-  void GetStringDataAsAString(uint32_t aLength, nsAString& aString);
-  void GetStringDataAsDOMString(const Optional<uint32_t>& aLength,
-                                DOMString& aString);
-
-  bool WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
-                  JS::MutableHandle<JSObject*> aWrapper);
-private:
-  nsString mStringData;
-};
-
-} // namespace dom
-} // namespace mozilla
-
-#endif // mozilla_dom_TestFunctions_h
diff --git a/dom/bindings/test/TestInterfaceIterableDouble.cpp b/dom/bindings/test/TestInterfaceIterableDouble.cpp
deleted file mode 100644
index 33a4c97d1..000000000
--- a/dom/bindings/test/TestInterfaceIterableDouble.cpp
+++ /dev/null
@@ -1,82 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "mozilla/dom/TestInterfaceIterableDouble.h"
-#include "mozilla/dom/TestInterfaceJSMaplikeSetlikeIterableBinding.h"
-#include "nsPIDOMWindow.h"
-#include "mozilla/dom/BindingUtils.h"
-
-namespace mozilla {
-namespace dom {
-
-NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(TestInterfaceIterableDouble, mParent)
-
-NS_IMPL_CYCLE_COLLECTING_ADDREF(TestInterfaceIterableDouble)
-NS_IMPL_CYCLE_COLLECTING_RELEASE(TestInterfaceIterableDouble)
-
-NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TestInterfaceIterableDouble)
-NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
-NS_INTERFACE_MAP_ENTRY(nsISupports)
-NS_INTERFACE_MAP_END
-
-TestInterfaceIterableDouble::TestInterfaceIterableDouble(nsPIDOMWindowInner* aParent)
-  : mParent(aParent)
-{
-  mValues.AppendElement(std::pair<nsString, nsString>(NS_LITERAL_STRING("a"),
-                                                      NS_LITERAL_STRING("b")));
-  mValues.AppendElement(std::pair<nsString, nsString>(NS_LITERAL_STRING("c"),
-                                                      NS_LITERAL_STRING("d")));
-  mValues.AppendElement(std::pair<nsString, nsString>(NS_LITERAL_STRING("e"),
-                                                      NS_LITERAL_STRING("f")));
-}
-
-//static
-already_AddRefed<TestInterfaceIterableDouble>
-TestInterfaceIterableDouble::Constructor(const GlobalObject& aGlobal,
-                                         ErrorResult& aRv)
-{
-  nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal.GetAsSupports());
-  if (!window) {
-    aRv.Throw(NS_ERROR_FAILURE);
-    return nullptr;
-  }
-
-  RefPtr<TestInterfaceIterableDouble> r = new TestInterfaceIterableDouble(window);
-  return r.forget();
-}
-
-JSObject*
-TestInterfaceIterableDouble::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
-{
-  return TestInterfaceIterableDoubleBinding::Wrap(aCx, this, aGivenProto);
-}
-
-nsPIDOMWindowInner*
-TestInterfaceIterableDouble::GetParentObject() const
-{
-  return mParent;
-}
-
-size_t
-TestInterfaceIterableDouble::GetIterableLength()
-{
-  return mValues.Length();
-}
-
-nsAString&
-TestInterfaceIterableDouble::GetKeyAtIndex(uint32_t aIndex)
-{
-  MOZ_ASSERT(aIndex < mValues.Length());
-  return mValues.ElementAt(aIndex).first;
-}
-
-nsAString&
-TestInterfaceIterableDouble::GetValueAtIndex(uint32_t aIndex)
-{
-  MOZ_ASSERT(aIndex < mValues.Length());
-  return mValues.ElementAt(aIndex).second;
-}
-
-} // namespace dom
-} // namespace mozilla
diff --git a/dom/bindings/test/TestInterfaceIterableDouble.h b/dom/bindings/test/TestInterfaceIterableDouble.h
deleted file mode 100644
index 1e9ff7acd..000000000
--- a/dom/bindings/test/TestInterfaceIterableDouble.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim:set ts=2 sw=2 sts=2 et cindent: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef mozilla_dom_TestInterfaceIterableDouble_h
-#define mozilla_dom_TestInterfaceIterableDouble_h
-
-#include "nsWrapperCache.h"
-#include "nsCOMPtr.h"
-
-class nsPIDOMWindowInner;
-
-namespace mozilla {
-
-class ErrorResult;
-
-namespace dom {
-
-class GlobalObject;
-
-// Implementation of test binding for webidl iterable interfaces, using
-// primitives for value type
-class TestInterfaceIterableDouble final : public nsISupports,
-                                          public nsWrapperCache
-{
-public:
-  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
-  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(TestInterfaceIterableDouble)
-
-  explicit TestInterfaceIterableDouble(nsPIDOMWindowInner* aParent);
-  nsPIDOMWindowInner* GetParentObject() const;
-  virtual JSObject* WrapObject(JSContext* aCx,
-                               JS::Handle<JSObject*> aGivenProto) override;
-  static already_AddRefed<TestInterfaceIterableDouble>
-    Constructor(const GlobalObject& aGlobal, ErrorResult& rv);
-
-  size_t GetIterableLength();
-  nsAString& GetKeyAtIndex(uint32_t aIndex);
-  nsAString& GetValueAtIndex(uint32_t aIndex);
-private:
-  virtual ~TestInterfaceIterableDouble() {}
-  nsCOMPtr<nsPIDOMWindowInner> mParent;
-  nsTArray<std::pair<nsString, nsString>> mValues;
-};
-
-} // namespace dom
-} // namespace mozilla
-
-#endif // mozilla_dom_TestInterfaceIterableDouble_h
diff --git a/dom/bindings/test/TestInterfaceIterableDoubleUnion.cpp b/dom/bindings/test/TestInterfaceIterableDoubleUnion.cpp
deleted file mode 100644
index 29151a4c5..000000000
--- a/dom/bindings/test/TestInterfaceIterableDoubleUnion.cpp
+++ /dev/null
@@ -1,83 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "mozilla/dom/TestInterfaceIterableDoubleUnion.h"
-#include "mozilla/dom/TestInterfaceJSMaplikeSetlikeIterableBinding.h"
-#include "nsPIDOMWindow.h"
-#include "mozilla/dom/BindingUtils.h"
-
-namespace mozilla {
-namespace dom {
-
-NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(TestInterfaceIterableDoubleUnion, mParent)
-
-NS_IMPL_CYCLE_COLLECTING_ADDREF(TestInterfaceIterableDoubleUnion)
-NS_IMPL_CYCLE_COLLECTING_RELEASE(TestInterfaceIterableDoubleUnion)
-
-NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TestInterfaceIterableDoubleUnion)
-NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
-NS_INTERFACE_MAP_ENTRY(nsISupports)
-NS_INTERFACE_MAP_END
-
-TestInterfaceIterableDoubleUnion::TestInterfaceIterableDoubleUnion(nsPIDOMWindowInner* aParent)
-  : mParent(aParent)
-{
-  OwningStringOrLong a;
-  a.SetAsLong() = 1;
-  mValues.AppendElement(std::pair<nsString, OwningStringOrLong>(NS_LITERAL_STRING("long"),
-                                                                a));
-  a.SetAsString() = NS_LITERAL_STRING("a");
-  mValues.AppendElement(std::pair<nsString, OwningStringOrLong>(NS_LITERAL_STRING("string"),
-                                                                a));
-}
-
-//static
-already_AddRefed<TestInterfaceIterableDoubleUnion>
-TestInterfaceIterableDoubleUnion::Constructor(const GlobalObject& aGlobal,
-                                              ErrorResult& aRv)
-{
-  nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal.GetAsSupports());
-  if (!window) {
-    aRv.Throw(NS_ERROR_FAILURE);
-    return nullptr;
-  }
-
-  RefPtr<TestInterfaceIterableDoubleUnion> r = new TestInterfaceIterableDoubleUnion(window);
-  return r.forget();
-}
-
-JSObject*
-TestInterfaceIterableDoubleUnion::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
-{
-  return TestInterfaceIterableDoubleUnionBinding::Wrap(aCx, this, aGivenProto);
-}
-
-nsPIDOMWindowInner*
-TestInterfaceIterableDoubleUnion::GetParentObject() const
-{
-  return mParent;
-}
-
-size_t
-TestInterfaceIterableDoubleUnion::GetIterableLength()
-{
-  return mValues.Length();
-}
-
-nsAString&
-TestInterfaceIterableDoubleUnion::GetKeyAtIndex(uint32_t aIndex)
-{
-  MOZ_ASSERT(aIndex < mValues.Length());
-  return mValues.ElementAt(aIndex).first;
-}
-
-OwningStringOrLong&
-TestInterfaceIterableDoubleUnion::GetValueAtIndex(uint32_t aIndex)
-{
-  MOZ_ASSERT(aIndex < mValues.Length());
-  return mValues.ElementAt(aIndex).second;
-}
-
-} // namespace dom
-} // namespace mozilla
diff --git a/dom/bindings/test/TestInterfaceIterableDoubleUnion.h b/dom/bindings/test/TestInterfaceIterableDoubleUnion.h
deleted file mode 100644
index ff6ea2175..000000000
--- a/dom/bindings/test/TestInterfaceIterableDoubleUnion.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim:set ts=2 sw=2 sts=2 et cindent: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef mozilla_dom_TestInterfaceIterableDoubleUnion_h
-#define mozilla_dom_TestInterfaceIterableDoubleUnion_h
-
-#include "nsWrapperCache.h"
-#include "nsCOMPtr.h"
-
-class nsPIDOMWindowInner;
-
-namespace mozilla {
-
-class ErrorResult;
-
-namespace dom {
-
-class GlobalObject;
-
-// Implementation of test binding for webidl iterable interfaces, using
-// primitives for value type
-class TestInterfaceIterableDoubleUnion final : public nsISupports,
-                                               public nsWrapperCache
-{
-public:
-  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
-  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(TestInterfaceIterableDoubleUnion)
-
-  explicit TestInterfaceIterableDoubleUnion(nsPIDOMWindowInner* aParent);
-  nsPIDOMWindowInner* GetParentObject() const;
-  virtual JSObject* WrapObject(JSContext* aCx,
-                               JS::Handle<JSObject*> aGivenProto) override;
-  static already_AddRefed<TestInterfaceIterableDoubleUnion>
-    Constructor(const GlobalObject& aGlobal, ErrorResult& rv);
-
-  size_t GetIterableLength();
-  nsAString& GetKeyAtIndex(uint32_t aIndex);
-  OwningStringOrLong& GetValueAtIndex(uint32_t aIndex);
-private:
-  virtual ~TestInterfaceIterableDoubleUnion() {}
-  nsCOMPtr<nsPIDOMWindowInner> mParent;
-  nsTArray<std::pair<nsString, OwningStringOrLong>> mValues;
-};
-
-} // namespace dom
-} // namespace mozilla
-
-#endif // mozilla_dom_TestInterfaceIterableDoubleUnion_h
diff --git a/dom/bindings/test/TestInterfaceIterableSingle.cpp b/dom/bindings/test/TestInterfaceIterableSingle.cpp
deleted file mode 100644
index 5f8d6c640..000000000
--- a/dom/bindings/test/TestInterfaceIterableSingle.cpp
+++ /dev/null
@@ -1,77 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "mozilla/dom/TestInterfaceIterableSingle.h"
-#include "mozilla/dom/TestInterfaceJSMaplikeSetlikeIterableBinding.h"
-#include "nsPIDOMWindow.h"
-#include "mozilla/dom/BindingUtils.h"
-
-namespace mozilla {
-namespace dom {
-
-NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(TestInterfaceIterableSingle, mParent)
-
-NS_IMPL_CYCLE_COLLECTING_ADDREF(TestInterfaceIterableSingle)
-NS_IMPL_CYCLE_COLLECTING_RELEASE(TestInterfaceIterableSingle)
-
-NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TestInterfaceIterableSingle)
-NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
-NS_INTERFACE_MAP_ENTRY(nsISupports)
-NS_INTERFACE_MAP_END
-
-TestInterfaceIterableSingle::TestInterfaceIterableSingle(nsPIDOMWindowInner* aParent)
-  : mParent(aParent)
-{
-  for (int i = 0; i < 3; ++i) {
-    mValues.AppendElement(i);
-  }
-}
-
-//static
-already_AddRefed<TestInterfaceIterableSingle>
-TestInterfaceIterableSingle::Constructor(const GlobalObject& aGlobal,
-                                         ErrorResult& aRv)
-{
-  nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal.GetAsSupports());
-  if (!window) {
-    aRv.Throw(NS_ERROR_FAILURE);
-    return nullptr;
-  }
-
-  RefPtr<TestInterfaceIterableSingle> r = new TestInterfaceIterableSingle(window);
-  return r.forget();
-}
-
-JSObject*
-TestInterfaceIterableSingle::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
-{
-  return TestInterfaceIterableSingleBinding::Wrap(aCx, this, aGivenProto);
-}
-
-nsPIDOMWindowInner*
-TestInterfaceIterableSingle::GetParentObject() const
-{
-  return mParent;
-}
-
-uint32_t
-TestInterfaceIterableSingle::Length() const
-{
-  return mValues.Length();
-}
-
-int32_t
-TestInterfaceIterableSingle::IndexedGetter(uint32_t aIndex, bool& aFound) const
-{
-  if (aIndex >= mValues.Length()) {
-    aFound = false;
-    return 0;
-  }
-
-  aFound = true;
-  return mValues[aIndex];
-}
-
-} // namespace dom
-} // namespace mozilla
diff --git a/dom/bindings/test/TestInterfaceIterableSingle.h b/dom/bindings/test/TestInterfaceIterableSingle.h
deleted file mode 100644
index a071ada8b..000000000
--- a/dom/bindings/test/TestInterfaceIterableSingle.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim:set ts=2 sw=2 sts=2 et cindent: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef mozilla_dom_TestInterfaceIterableSingle_h
-#define mozilla_dom_TestInterfaceIterableSingle_h
-
-#include "nsWrapperCache.h"
-#include "nsCOMPtr.h"
-
-class nsPIDOMWindowInner;
-
-namespace mozilla {
-
-class ErrorResult;
-
-namespace dom {
-
-class GlobalObject;
-
-// Implementation of test binding for webidl iterable interfaces, using
-// primitives for value type
-class TestInterfaceIterableSingle final : public nsISupports,
-                                          public nsWrapperCache
-{
-public:
-  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
-  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(TestInterfaceIterableSingle)
-
-  explicit TestInterfaceIterableSingle(nsPIDOMWindowInner* aParent);
-  nsPIDOMWindowInner* GetParentObject() const;
-  virtual JSObject* WrapObject(JSContext* aCx,
-                               JS::Handle<JSObject*> aGivenProto) override;
-  static already_AddRefed<TestInterfaceIterableSingle>
-    Constructor(const GlobalObject& aGlobal, ErrorResult& rv);
-
-  uint32_t Length() const;
-  int32_t IndexedGetter(uint32_t aIndex, bool& aFound) const;
-
-private:
-  virtual ~TestInterfaceIterableSingle() {}
-  nsCOMPtr<nsPIDOMWindowInner> mParent;
-  nsTArray<int32_t> mValues;
-};
-
-} // namespace dom
-} // namespace mozilla
-
-#endif // mozilla_dom_TestInterfaceIterableSingle_h
diff --git a/dom/bindings/test/TestInterfaceJS.js b/dom/bindings/test/TestInterfaceJS.js
deleted file mode 100644
index 1a5bf8e61..000000000
--- a/dom/bindings/test/TestInterfaceJS.js
+++ /dev/null
@@ -1,166 +0,0 @@
-/* -*- Mode: JavaScript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-const Cu = Components.utils;
-const Ci = Components.interfaces;
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/Services.jsm");
-
-function TestInterfaceJS(anyArg, objectArg) {}
-
-TestInterfaceJS.prototype = {
-  classID: Components.ID("{2ac4e026-cf25-47d5-b067-78d553c3cad8}"),
-  contractID: "@mozilla.org/dom/test-interface-js;1",
-  QueryInterface: XPCOMUtils.generateQI([Ci.nsISupports,
-                                         Ci.nsIDOMGlobalPropertyInitializer]),
-
-  init: function(win) { this._win = win; },
-
-  __init: function (anyArg, objectArg, dictionaryArg) {
-    this._anyAttr = undefined;
-    this._objectAttr = null;
-    this._anyArg = anyArg;
-    this._objectArg = objectArg;
-    this._dictionaryArg = dictionaryArg;
-    this._cachedAttr = 15;
-  },
-
-  get anyArg() { return this._anyArg; },
-  get objectArg() { return this._objectArg; },
-  get dictionaryArg() { return this._dictionaryArg; },
-  get anyAttr() { return this._anyAttr; },
-  set anyAttr(val) { this._anyAttr = val; },
-  get objectAttr() { return this._objectAttr; },
-  set objectAttr(val) { this._objectAttr = val; },
-  get dictionaryAttr() { return this._dictionaryAttr; },
-  set dictionaryAttr(val) { this._dictionaryAttr = val; },
-  pingPongAny: function(any) { return any; },
-  pingPongObject: function(obj) { return obj; },
-  pingPongObjectOrString: function(objectOrString) { return objectOrString; },
-  pingPongDictionary: function(dict) { return dict; },
-  pingPongDictionaryOrLong: function(dictOrLong) { return dictOrLong.anyMember || dictOrLong; },
-  pingPongMap: function(map) { return JSON.stringify(map); },
-  objectSequenceLength: function(seq) { return seq.length; },
-  anySequenceLength: function(seq) { return seq.length; },
-
-
-  getCallerPrincipal: function() { return Cu.getWebIDLCallerPrincipal().origin; },
-
-  convertSVS: function(svs) { return svs; },
-
-  pingPongUnion: function(x) { return x; },
-  pingPongUnionContainingNull: function(x) { return x; },
-  pingPongNullableUnion: function(x) { return x; },
-  returnBadUnion: function(x) { return 3; },
-
-  get cachedAttr() { return this._cachedAttr; },
-  setCachedAttr: function(n) { this._cachedAttr = n; },
-  clearCachedAttrCache: function () { this.__DOM_IMPL__._clearCachedCachedAttrValue(); },
-
-  testSequenceOverload: function(arg) {},
-  testSequenceUnion: function(arg) {},
-
-  testThrowError: function() {
-    throw new this._win.Error("We are an Error");
-  },
-
-  testThrowDOMException: function() {
-    throw new this._win.DOMException("We are a DOMException",
-                                     "NotSupportedError");
-  },
-
-  testThrowTypeError: function() {
-    throw new this._win.TypeError("We are a TypeError");
-  },
-
-  testThrowCallbackError: function(callback) {
-    callback();
-  },
-
-  testThrowXraySelfHosted: function() {
-    this._win.Array.indexOf();
-  },
-
-  testThrowSelfHosted: function() {
-    Array.indexOf();
-  },
-
-  testPromiseWithThrowingChromePromiseInit: function() {
-    return new this._win.Promise(function() {
-      noSuchMethodExistsYo1();
-    })
-  },
-
-  testPromiseWithThrowingContentPromiseInit: function(func) {
-      return new this._win.Promise(func);
-  },
-
-  testPromiseWithDOMExceptionThrowingPromiseInit: function() {
-    return new this._win.Promise(() => {
-      throw new this._win.DOMException("We are a second DOMException",
-                                       "NotFoundError");
-    })
-  },
-
-  testPromiseWithThrowingChromeThenFunction: function() {
-    return this._win.Promise.resolve(5).then(function() {
-      noSuchMethodExistsYo2();
-    });
-  },
-
-  testPromiseWithThrowingContentThenFunction: function(func) {
-    return this._win.Promise.resolve(10).then(func);
-  },
-
-  testPromiseWithDOMExceptionThrowingThenFunction: function() {
-    return this._win.Promise.resolve(5).then(() => {
-      throw new this._win.DOMException("We are a third DOMException",
-                                       "NetworkError");
-    });
-  },
-
-  testPromiseWithThrowingChromeThenable: function() {
-    var thenable =  {
-      then: function() {
-        noSuchMethodExistsYo3()
-      }
-    };
-    return new this._win.Promise(function(resolve) {
-      resolve(thenable)
-    });
-  },
-
-  testPromiseWithThrowingContentThenable: function(thenable) {
-    // Waive Xrays on the thenable, because we're calling resolve() in the
-    // chrome compartment, so that's the compartment the "then" property get
-    // will happen in, and if we leave the Xray in place the function-valued
-    // property won't return the function.
-    return this._win.Promise.resolve(Cu.waiveXrays(thenable));
-  },
-
-  testPromiseWithDOMExceptionThrowingThenable: function() {
-    var thenable =  {
-      then: () => {
-        throw new this._win.DOMException("We are a fourth DOMException",
-                                         "TypeMismatchError");
-      }
-    };
-    return new this._win.Promise(function(resolve) {
-      resolve(thenable)
-    });
-  },
-
-  get onsomething() {
-    return this.__DOM_IMPL__.getEventHandler("onsomething");
-  },
-
-  set onsomething(val) {
-    this.__DOM_IMPL__.setEventHandler("onsomething", val);
-  }
-};
-
-this.NSGetFactory = XPCOMUtils.generateNSGetFactory([TestInterfaceJS])
diff --git a/dom/bindings/test/TestInterfaceJS.manifest b/dom/bindings/test/TestInterfaceJS.manifest
deleted file mode 100644
index 161a42156..000000000
--- a/dom/bindings/test/TestInterfaceJS.manifest
+++ /dev/null
@@ -1,4 +0,0 @@
-component {2ac4e026-cf25-47d5-b067-78d553c3cad8} TestInterfaceJS.js
-contract @mozilla.org/dom/test-interface-js;1 {2ac4e026-cf25-47d5-b067-78d553c3cad8}
-component {4bc6f6f3-e005-4f0a-b42d-4d1663a9013a} TestInterfaceJSMaplike.js
-contract @mozilla.org/dom/test-interface-js-maplike;1 {4bc6f6f3-e005-4f0a-b42d-4d1663a9013a}
diff --git a/dom/bindings/test/TestInterfaceJSMaplike.js b/dom/bindings/test/TestInterfaceJSMaplike.js
deleted file mode 100644
index b108ef5b6..000000000
--- a/dom/bindings/test/TestInterfaceJSMaplike.js
+++ /dev/null
@@ -1,38 +0,0 @@
-/* -*- Mode: JavaScript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-const Cu = Components.utils;
-const Ci = Components.interfaces;
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/Services.jsm");
-
-function TestInterfaceJSMaplike() {}
-
-TestInterfaceJSMaplike.prototype = {
-  classID: Components.ID("{4bc6f6f3-e005-4f0a-b42d-4d1663a9013a}"),
-  contractID: "@mozilla.org/dom/test-interface-js-maplike;1",
-  QueryInterface: XPCOMUtils.generateQI([Ci.nsISupports,
-                                         Ci.nsIDOMGlobalPropertyInitializer]),
-
-  init: function(win) { this._win = win; },
-
-  __init: function () {},
-
-  setInternal: function(aKey, aValue) {
-    return this.__DOM_IMPL__.__set(aKey, aValue);
-  },
-
-  deleteInternal: function(aKey) {
-    return this.__DOM_IMPL__.__delete(aKey);
-  },
-
-  clearInternal: function() {
-    return this.__DOM_IMPL__.__clear();
-  }
-};
-
-this.NSGetFactory = XPCOMUtils.generateNSGetFactory([TestInterfaceJSMaplike])
diff --git a/dom/bindings/test/TestInterfaceMaplike.cpp b/dom/bindings/test/TestInterfaceMaplike.cpp
deleted file mode 100644
index 4abace83c..000000000
--- a/dom/bindings/test/TestInterfaceMaplike.cpp
+++ /dev/null
@@ -1,84 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "mozilla/dom/TestInterfaceMaplike.h"
-#include "mozilla/dom/TestInterfaceJSMaplikeSetlikeIterableBinding.h"
-#include "nsPIDOMWindow.h"
-#include "mozilla/dom/BindingUtils.h"
-
-namespace mozilla {
-namespace dom {
-
-NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(TestInterfaceMaplike, mParent)
-
-NS_IMPL_CYCLE_COLLECTING_ADDREF(TestInterfaceMaplike)
-NS_IMPL_CYCLE_COLLECTING_RELEASE(TestInterfaceMaplike)
-
-NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TestInterfaceMaplike)
-NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
-NS_INTERFACE_MAP_ENTRY(nsISupports)
-NS_INTERFACE_MAP_END
-
-TestInterfaceMaplike::TestInterfaceMaplike(nsPIDOMWindowInner* aParent)
-: mParent(aParent)
-{
-}
-
-//static
-already_AddRefed<TestInterfaceMaplike>
-TestInterfaceMaplike::Constructor(const GlobalObject& aGlobal,
-                                  ErrorResult& aRv)
-{
-  nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal.GetAsSupports());
-  if (!window) {
-    aRv.Throw(NS_ERROR_FAILURE);
-    return nullptr;
-  }
-
-  RefPtr<TestInterfaceMaplike> r = new TestInterfaceMaplike(window);
-  return r.forget();
-}
-
-JSObject*
-TestInterfaceMaplike::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
-{
-  return TestInterfaceMaplikeBinding::Wrap(aCx, this, aGivenProto);
-}
-
-nsPIDOMWindowInner*
-TestInterfaceMaplike::GetParentObject() const
-{
-  return mParent;
-}
-
-void
-TestInterfaceMaplike::SetInternal(const nsAString& aKey, int32_t aValue)
-{
-  ErrorResult rv;
-  TestInterfaceMaplikeBinding::MaplikeHelpers::Set(this, aKey, aValue, rv);
-}
-
-void
-TestInterfaceMaplike::ClearInternal()
-{
-  ErrorResult rv;
-  TestInterfaceMaplikeBinding::MaplikeHelpers::Clear(this, rv);
-}
-
-bool
-TestInterfaceMaplike::DeleteInternal(const nsAString& aKey)
-{
-  ErrorResult rv;
-  return TestInterfaceMaplikeBinding::MaplikeHelpers::Delete(this, aKey, rv);
-}
-
-bool
-TestInterfaceMaplike::HasInternal(const nsAString& aKey)
-{
-  ErrorResult rv;
-  return TestInterfaceMaplikeBinding::MaplikeHelpers::Has(this, aKey, rv);
-}
-
-} // namespace dom
-} // namespace mozilla
diff --git a/dom/bindings/test/TestInterfaceMaplike.h b/dom/bindings/test/TestInterfaceMaplike.h
deleted file mode 100644
index c012a7a21..000000000
--- a/dom/bindings/test/TestInterfaceMaplike.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim:set ts=2 sw=2 sts=2 et cindent: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef mozilla_dom_TestInterfaceMaplike_h
-#define mozilla_dom_TestInterfaceMaplike_h
-
-#include "nsWrapperCache.h"
-#include "nsCOMPtr.h"
-
-class nsPIDOMWindowInner;
-
-namespace mozilla {
-
-class ErrorResult;
-
-namespace dom {
-
-class GlobalObject;
-
-// Implementation of test binding for webidl maplike interfaces, using
-// primitives for key and value types.
-class TestInterfaceMaplike final : public nsISupports,
-                                   public nsWrapperCache
-{
-public:
-  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
-  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(TestInterfaceMaplike)
-
-  explicit TestInterfaceMaplike(nsPIDOMWindowInner* aParent);
-  nsPIDOMWindowInner* GetParentObject() const;
-  virtual JSObject* WrapObject(JSContext* aCx,
-                               JS::Handle<JSObject*> aGivenProto) override;
-  static already_AddRefed<TestInterfaceMaplike>
-    Constructor(const GlobalObject& aGlobal, ErrorResult& rv);
-
-  // External access for testing internal convenience functions.
-  void SetInternal(const nsAString& aKey, int32_t aValue);
-  void ClearInternal();
-  bool DeleteInternal(const nsAString& aKey);
-  bool HasInternal(const nsAString& aKey);
-private:
-  virtual ~TestInterfaceMaplike() {}
-  nsCOMPtr<nsPIDOMWindowInner> mParent;
-};
-
-} // namespace dom
-} // namespace mozilla
-
-#endif // mozilla_dom_TestInterfaceMaplike_h
diff --git a/dom/bindings/test/TestInterfaceMaplikeObject.cpp b/dom/bindings/test/TestInterfaceMaplikeObject.cpp
deleted file mode 100644
index 3dc1ffdc4..000000000
--- a/dom/bindings/test/TestInterfaceMaplikeObject.cpp
+++ /dev/null
@@ -1,88 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "mozilla/dom/TestInterfaceMaplikeObject.h"
-#include "mozilla/dom/TestInterfaceMaplike.h"
-#include "mozilla/dom/TestInterfaceJSMaplikeSetlikeIterableBinding.h"
-#include "nsPIDOMWindow.h"
-#include "mozilla/dom/BindingUtils.h"
-
-namespace mozilla {
-namespace dom {
-
-NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(TestInterfaceMaplikeObject, mParent)
-
-NS_IMPL_CYCLE_COLLECTING_ADDREF(TestInterfaceMaplikeObject)
-NS_IMPL_CYCLE_COLLECTING_RELEASE(TestInterfaceMaplikeObject)
-
-NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TestInterfaceMaplikeObject)
-NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
-NS_INTERFACE_MAP_ENTRY(nsISupports)
-NS_INTERFACE_MAP_END
-
-TestInterfaceMaplikeObject::TestInterfaceMaplikeObject(nsPIDOMWindowInner* aParent)
-: mParent(aParent)
-{
-}
-
-//static
-already_AddRefed<TestInterfaceMaplikeObject>
-TestInterfaceMaplikeObject::Constructor(const GlobalObject& aGlobal,
-                                        ErrorResult& aRv)
-{
-  nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal.GetAsSupports());
-  if (!window) {
-    aRv.Throw(NS_ERROR_FAILURE);
-    return nullptr;
-  }
-
-  RefPtr<TestInterfaceMaplikeObject> r =
-    new TestInterfaceMaplikeObject(window);
-  return r.forget();
-}
-
-JSObject*
-TestInterfaceMaplikeObject::WrapObject(JSContext* aCx,
-                                       JS::Handle<JSObject*> aGivenProto)
-{
-  return TestInterfaceMaplikeObjectBinding::Wrap(aCx, this, aGivenProto);
-}
-
-nsPIDOMWindowInner*
-TestInterfaceMaplikeObject::GetParentObject() const
-{
-  return mParent;
-}
-
-void
-TestInterfaceMaplikeObject::SetInternal(const nsAString& aKey)
-{
-  RefPtr<TestInterfaceMaplike> p(new TestInterfaceMaplike(mParent));
-  ErrorResult rv;
-  TestInterfaceMaplikeObjectBinding::MaplikeHelpers::Set(this, aKey, *p, rv);
-}
-
-void
-TestInterfaceMaplikeObject::ClearInternal()
-{
-  ErrorResult rv;
-  TestInterfaceMaplikeObjectBinding::MaplikeHelpers::Clear(this, rv);
-}
-
-bool
-TestInterfaceMaplikeObject::DeleteInternal(const nsAString& aKey)
-{
-  ErrorResult rv;
-  return TestInterfaceMaplikeObjectBinding::MaplikeHelpers::Delete(this, aKey, rv);
-}
-
-bool
-TestInterfaceMaplikeObject::HasInternal(const nsAString& aKey)
-{
-  ErrorResult rv;
-  return TestInterfaceMaplikeObjectBinding::MaplikeHelpers::Has(this, aKey, rv);
-}
-
-} // namespace dom
-} // namespace mozilla
diff --git a/dom/bindings/test/TestInterfaceMaplikeObject.h b/dom/bindings/test/TestInterfaceMaplikeObject.h
deleted file mode 100644
index af4660c0d..000000000
--- a/dom/bindings/test/TestInterfaceMaplikeObject.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim:set ts=2 sw=2 sts=2 et cindent: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef mozilla_dom_TestInterfaceMaplikeObject_h
-#define mozilla_dom_TestInterfaceMaplikeObject_h
-
-#include "nsWrapperCache.h"
-#include "nsCOMPtr.h"
-
-class nsPIDOMWindowInner;
-
-namespace mozilla {
-
-class ErrorResult;
-
-namespace dom {
-
-class GlobalObject;
-
-// Implementation of test binding for webidl maplike interfaces, using
-// primitives for key types and objects for value types.
-class TestInterfaceMaplikeObject final : public nsISupports,
-                                         public nsWrapperCache
-{
-public:
-  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
-  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(TestInterfaceMaplikeObject)
-
-  explicit TestInterfaceMaplikeObject(nsPIDOMWindowInner* aParent);
-  nsPIDOMWindowInner* GetParentObject() const;
-  virtual JSObject* WrapObject(JSContext* aCx,
-                               JS::Handle<JSObject*> aGivenProto) override;
-  static already_AddRefed<TestInterfaceMaplikeObject>
-    Constructor(const GlobalObject& aGlobal,ErrorResult& rv);
-
-  // External access for testing internal convenience functions.
-  void SetInternal(const nsAString& aKey);
-  void ClearInternal();
-  bool DeleteInternal(const nsAString& aKey);
-  bool HasInternal(const nsAString& aKey);
-private:
-  virtual ~TestInterfaceMaplikeObject() {}
-  nsCOMPtr<nsPIDOMWindowInner> mParent;
-};
-
-} // namespace dom
-} // namespace mozilla
-
-#endif // mozilla_dom_TestInterfaceMaplikeObject_h
diff --git a/dom/bindings/test/TestInterfaceSetlike.cpp b/dom/bindings/test/TestInterfaceSetlike.cpp
deleted file mode 100644
index c9f556076..000000000
--- a/dom/bindings/test/TestInterfaceSetlike.cpp
+++ /dev/null
@@ -1,58 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "mozilla/dom/TestInterfaceSetlike.h"
-#include "mozilla/dom/TestInterfaceJSMaplikeSetlikeIterableBinding.h"
-#include "nsPIDOMWindow.h"
-#include "mozilla/dom/BindingUtils.h"
-
-namespace mozilla {
-namespace dom {
-
-NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(TestInterfaceSetlike, mParent)
-
-NS_IMPL_CYCLE_COLLECTING_ADDREF(TestInterfaceSetlike)
-NS_IMPL_CYCLE_COLLECTING_RELEASE(TestInterfaceSetlike)
-
-NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TestInterfaceSetlike)
-NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
-NS_INTERFACE_MAP_ENTRY(nsISupports)
-NS_INTERFACE_MAP_END
-
-TestInterfaceSetlike::TestInterfaceSetlike(JSContext* aCx,
-                                           nsPIDOMWindowInner* aParent)
-: mParent(aParent)
-{
-}
-
-//static
-already_AddRefed<TestInterfaceSetlike>
-TestInterfaceSetlike::Constructor(const GlobalObject& aGlobal,
-                                  ErrorResult& aRv)
-{
-  nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal.GetAsSupports());
-  if (!window) {
-    aRv.Throw(NS_ERROR_FAILURE);
-    return nullptr;
-  }
-
-  RefPtr<TestInterfaceSetlike> r = new TestInterfaceSetlike(nullptr, window);
-  return r.forget();
-}
-
-JSObject*
-TestInterfaceSetlike::WrapObject(JSContext* aCx,
-                                 JS::Handle<JSObject*> aGivenProto)
-{
-  return TestInterfaceSetlikeBinding::Wrap(aCx, this, aGivenProto);
-}
-
-nsPIDOMWindowInner*
-TestInterfaceSetlike::GetParentObject() const
-{
-  return mParent;
-}
-
-} // namespace dom
-} // namespace mozilla
diff --git a/dom/bindings/test/TestInterfaceSetlike.h b/dom/bindings/test/TestInterfaceSetlike.h
deleted file mode 100644
index c9f464960..000000000
--- a/dom/bindings/test/TestInterfaceSetlike.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim:set ts=2 sw=2 sts=2 et cindent: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef mozilla_dom_TestInterfaceSetlike_h
-#define mozilla_dom_TestInterfaceSetlike_h
-
-#include "nsWrapperCache.h"
-#include "nsCOMPtr.h"
-
-class nsPIDOMWindowInner;
-
-namespace mozilla {
-
-class ErrorResult;
-
-namespace dom {
-
-class GlobalObject;
-
-// Implementation of test binding for webidl setlike interfaces, using
-// primitives for key type.
-class TestInterfaceSetlike final : public nsISupports,
-                                   public nsWrapperCache
-{
-public:
-  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
-  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(TestInterfaceSetlike)
-  explicit TestInterfaceSetlike(JSContext* aCx,
-                                nsPIDOMWindowInner* aParent);
-  nsPIDOMWindowInner* GetParentObject() const;
-  virtual JSObject* WrapObject(JSContext* aCx,
-                               JS::Handle<JSObject*> aGivenProto) override;
-  static already_AddRefed<TestInterfaceSetlike>
-    Constructor(const GlobalObject& aGlobal, ErrorResult& rv);
-private:
-  virtual ~TestInterfaceSetlike() {}
-  nsCOMPtr<nsPIDOMWindowInner> mParent;
-};
-
-} // namespace dom
-} // namespace mozilla
-
-#endif // mozilla_dom_TestInterfaceSetlike_h
diff --git a/dom/bindings/test/TestInterfaceSetlikeNode.cpp b/dom/bindings/test/TestInterfaceSetlikeNode.cpp
deleted file mode 100644
index 5499553fa..000000000
--- a/dom/bindings/test/TestInterfaceSetlikeNode.cpp
+++ /dev/null
@@ -1,58 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "mozilla/dom/TestInterfaceSetlikeNode.h"
-#include "mozilla/dom/TestInterfaceJSMaplikeSetlikeIterableBinding.h"
-#include "nsPIDOMWindow.h"
-#include "mozilla/dom/BindingUtils.h"
-
-namespace mozilla {
-namespace dom {
-
-NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(TestInterfaceSetlikeNode, mParent)
-
-NS_IMPL_CYCLE_COLLECTING_ADDREF(TestInterfaceSetlikeNode)
-NS_IMPL_CYCLE_COLLECTING_RELEASE(TestInterfaceSetlikeNode)
-
-NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TestInterfaceSetlikeNode)
-NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
-NS_INTERFACE_MAP_ENTRY(nsISupports)
-NS_INTERFACE_MAP_END
-
-TestInterfaceSetlikeNode::TestInterfaceSetlikeNode(JSContext* aCx,
-                                                   nsPIDOMWindowInner* aParent)
-: mParent(aParent)
-{
-}
-
-//static
-already_AddRefed<TestInterfaceSetlikeNode>
-TestInterfaceSetlikeNode::Constructor(const GlobalObject& aGlobal,
-                                      ErrorResult& aRv)
-{
-  nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal.GetAsSupports());
-  if (!window) {
-    aRv.Throw(NS_ERROR_FAILURE);
-    return nullptr;
-  }
-
-  RefPtr<TestInterfaceSetlikeNode> r = new TestInterfaceSetlikeNode(nullptr, window);
-  return r.forget();
-}
-
-JSObject*
-TestInterfaceSetlikeNode::WrapObject(JSContext* aCx,
-                                     JS::Handle<JSObject*> aGivenProto)
-{
-  return TestInterfaceSetlikeNodeBinding::Wrap(aCx, this, aGivenProto);
-}
-
-nsPIDOMWindowInner*
-TestInterfaceSetlikeNode::GetParentObject() const
-{
-  return mParent;
-}
-
-} // namespace dom
-} // namespace mozilla
diff --git a/dom/bindings/test/TestInterfaceSetlikeNode.h b/dom/bindings/test/TestInterfaceSetlikeNode.h
deleted file mode 100644
index 05b14190e..000000000
--- a/dom/bindings/test/TestInterfaceSetlikeNode.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim:set ts=2 sw=2 sts=2 et cindent: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef mozilla_dom_TestInterfaceSetlikeNode_h
-#define mozilla_dom_TestInterfaceSetlikeNode_h
-
-#include "nsWrapperCache.h"
-#include "nsCOMPtr.h"
-
-class nsPIDOMWindowInner;
-
-namespace mozilla {
-
-class ErrorResult;
-
-namespace dom {
-
-class GlobalObject;
-
-// Implementation of test binding for webidl setlike interfaces, using
-// primitives for key type.
-class TestInterfaceSetlikeNode final : public nsISupports,
-                                       public nsWrapperCache
-{
-public:
-  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
-  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(TestInterfaceSetlikeNode)
-  explicit TestInterfaceSetlikeNode(JSContext* aCx,
-                                    nsPIDOMWindowInner* aParent);
-  nsPIDOMWindowInner* GetParentObject() const;
-  virtual JSObject* WrapObject(JSContext* aCx,
-                               JS::Handle<JSObject*> aGivenProto) override;
-  static already_AddRefed<TestInterfaceSetlikeNode>
-    Constructor(const GlobalObject& aGlobal, ErrorResult& rv);
-private:
-  virtual ~TestInterfaceSetlikeNode() {}
-  nsCOMPtr<nsPIDOMWindowInner> mParent;
-};
-
-} // namespace dom
-} // namespace mozilla
-
-#endif // mozilla_dom_TestInterfaceSetlikeNode_h
diff --git a/dom/bindings/test/TestJSImplGen.webidl b/dom/bindings/test/TestJSImplGen.webidl
deleted file mode 100644
index a133b9981..000000000
--- a/dom/bindings/test/TestJSImplGen.webidl
+++ /dev/null
@@ -1,840 +0,0 @@
-/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-
-typedef TestJSImplInterface AnotherNameForTestJSImplInterface;
-typedef TestJSImplInterface YetAnotherNameForTestJSImplInterface;
-typedef TestJSImplInterface? NullableTestJSImplInterface;
-
-callback MyTestCallback = void();
-
-enum MyTestEnum {
-  "a",
-  "b"
-};
-
-// We don't support multiple constructors (bug 869268) or named constructors
-// for JS-implemented WebIDL.
-[Constructor(DOMString str, unsigned long num, boolean? boolArg,
-             TestInterface? iface, long arg1,
-             DictForConstructor dict, any any1,
-             object obj1,
-             object? obj2, sequence<Dict> seq, optional any any2,
-             optional object obj3,
-             optional object? obj4,
-             Uint8Array typedArr,
-             ArrayBuffer arrayBuf),
- JSImplementation="@mozilla.org/test-js-impl-interface;1"]
-interface TestJSImplInterface {
-  // Integer types
-  // XXXbz add tests for throwing versions of all the integer stuff
-  readonly attribute byte readonlyByte;
-  attribute byte writableByte;
-  void passByte(byte arg);
-  byte receiveByte();
-  void passOptionalByte(optional byte arg);
-  void passOptionalByteBeforeRequired(optional byte arg1, byte arg2);
-  void passOptionalByteWithDefault(optional byte arg = 0);
-  void passOptionalByteWithDefaultBeforeRequired(optional byte arg1 = 0, byte arg2);
-  void passNullableByte(byte? arg);
-  void passOptionalNullableByte(optional byte? arg);
-  void passVariadicByte(byte... arg);
-  [Cached, Pure]
-  readonly attribute byte cachedByte;
-  [Cached, Constant]
-  readonly attribute byte cachedConstantByte;
-  [Cached, Pure]
-  attribute byte cachedWritableByte;
-  [Affects=Nothing]
-  attribute byte sideEffectFreeByte;
-  [Affects=Nothing, DependsOn=DOMState]
-  attribute byte domDependentByte;
-  [Affects=Nothing, DependsOn=Nothing]
-  readonly attribute byte constantByte;
-  [DependsOn=DeviceState, Affects=Nothing]
-  readonly attribute byte deviceStateDependentByte;
-  [Affects=Nothing]
-  byte returnByteSideEffectFree();
-  [Affects=Nothing, DependsOn=DOMState]
-  byte returnDOMDependentByte();
-  [Affects=Nothing, DependsOn=Nothing]
-  byte returnConstantByte();
-  [DependsOn=DeviceState, Affects=Nothing]
-  byte returnDeviceStateDependentByte();
-
-  readonly attribute short readonlyShort;
-  attribute short writableShort;
-  void passShort(short arg);
-  short receiveShort();
-  void passOptionalShort(optional short arg);
-  void passOptionalShortWithDefault(optional short arg = 5);
-
-  readonly attribute long readonlyLong;
-  attribute long writableLong;
-  void passLong(long arg);
-  long receiveLong();
-  void passOptionalLong(optional long arg);
-  void passOptionalLongWithDefault(optional long arg = 7);
-
-  readonly attribute long long readonlyLongLong;
-  attribute long long writableLongLong;
-  void passLongLong(long long arg);
-  long long receiveLongLong();
-  void passOptionalLongLong(optional long long arg);
-  void passOptionalLongLongWithDefault(optional long long arg = -12);
-
-  readonly attribute octet readonlyOctet;
-  attribute octet writableOctet;
-  void passOctet(octet arg);
-  octet receiveOctet();
-  void passOptionalOctet(optional octet arg);
-  void passOptionalOctetWithDefault(optional octet arg = 19);
-
-  readonly attribute unsigned short readonlyUnsignedShort;
-  attribute unsigned short writableUnsignedShort;
-  void passUnsignedShort(unsigned short arg);
-  unsigned short receiveUnsignedShort();
-  void passOptionalUnsignedShort(optional unsigned short arg);
-  void passOptionalUnsignedShortWithDefault(optional unsigned short arg = 2);
-
-  readonly attribute unsigned long readonlyUnsignedLong;
-  attribute unsigned long writableUnsignedLong;
-  void passUnsignedLong(unsigned long arg);
-  unsigned long receiveUnsignedLong();
-  void passOptionalUnsignedLong(optional unsigned long arg);
-  void passOptionalUnsignedLongWithDefault(optional unsigned long arg = 6);
-
-  readonly attribute unsigned long long readonlyUnsignedLongLong;
-  attribute unsigned long long  writableUnsignedLongLong;
-  void passUnsignedLongLong(unsigned long long arg);
-  unsigned long long receiveUnsignedLongLong();
-  void passOptionalUnsignedLongLong(optional unsigned long long arg);
-  void passOptionalUnsignedLongLongWithDefault(optional unsigned long long arg = 17);
-
-  attribute float writableFloat;
-  attribute unrestricted float writableUnrestrictedFloat;
-  attribute float? writableNullableFloat;
-  attribute unrestricted float? writableNullableUnrestrictedFloat;
-  attribute double writableDouble;
-  attribute unrestricted double writableUnrestrictedDouble;
-  attribute double? writableNullableDouble;
-  attribute unrestricted double? writableNullableUnrestrictedDouble;
-  void passFloat(float arg1, unrestricted float arg2,
-                 float? arg3, unrestricted float? arg4,
-                 double arg5, unrestricted double arg6,
-                 double? arg7, unrestricted double? arg8,
-                 sequence<float> arg9, sequence<unrestricted float> arg10,
-                 sequence<float?> arg11, sequence<unrestricted float?> arg12,
-                 sequence<double> arg13, sequence<unrestricted double> arg14,
-                 sequence<double?> arg15, sequence<unrestricted double?> arg16);
-  [LenientFloat]
-  void passLenientFloat(float arg1, unrestricted float arg2,
-                        float? arg3, unrestricted float? arg4,
-                        double arg5, unrestricted double arg6,
-                        double? arg7, unrestricted double? arg8,
-                        sequence<float> arg9,
-                        sequence<unrestricted float> arg10,
-                        sequence<float?> arg11,
-                        sequence<unrestricted float?> arg12,
-                        sequence<double> arg13,
-                        sequence<unrestricted double> arg14,
-                        sequence<double?> arg15,
-                        sequence<unrestricted double?> arg16);
-  [LenientFloat]
-  attribute float lenientFloatAttr;
-  [LenientFloat]
-  attribute double lenientDoubleAttr;
-
-  // Castable interface types
-  // XXXbz add tests for throwing versions of all the castable interface stuff
-  TestJSImplInterface receiveSelf();
-  TestJSImplInterface? receiveNullableSelf();
-
-  TestJSImplInterface receiveWeakSelf();
-  TestJSImplInterface? receiveWeakNullableSelf();
-
-  // A version to test for casting to TestJSImplInterface&
-  void passSelf(TestJSImplInterface arg);
-  void passNullableSelf(TestJSImplInterface? arg);
-  attribute TestJSImplInterface nonNullSelf;
-  attribute TestJSImplInterface? nullableSelf;
-  [Cached, Pure]
-  readonly attribute TestJSImplInterface cachedSelf;
-  // Optional arguments
-  void passOptionalSelf(optional TestJSImplInterface? arg);
-  void passOptionalNonNullSelf(optional TestJSImplInterface arg);
-  void passOptionalSelfWithDefault(optional TestJSImplInterface? arg = null);
-
-  // Non-wrapper-cache interface types
-  [NewObject]
-  TestNonWrapperCacheInterface receiveNonWrapperCacheInterface();
-  [NewObject]
-  TestNonWrapperCacheInterface? receiveNullableNonWrapperCacheInterface();
-
-  [NewObject]
-  sequence<TestNonWrapperCacheInterface> receiveNonWrapperCacheInterfaceSequence();
-  [NewObject]
-  sequence<TestNonWrapperCacheInterface?> receiveNullableNonWrapperCacheInterfaceSequence();
-  [NewObject]
-  sequence<TestNonWrapperCacheInterface>? receiveNonWrapperCacheInterfaceNullableSequence();
-  [NewObject]
-  sequence<TestNonWrapperCacheInterface?>? receiveNullableNonWrapperCacheInterfaceNullableSequence();
-
-  // Non-castable interface types
-  IndirectlyImplementedInterface receiveOther();
-  IndirectlyImplementedInterface? receiveNullableOther();
-  IndirectlyImplementedInterface receiveWeakOther();
-  IndirectlyImplementedInterface? receiveWeakNullableOther();
-
-  void passOther(IndirectlyImplementedInterface arg);
-  void passNullableOther(IndirectlyImplementedInterface? arg);
-  attribute IndirectlyImplementedInterface nonNullOther;
-  attribute IndirectlyImplementedInterface? nullableOther;
-  // Optional arguments
-  void passOptionalOther(optional IndirectlyImplementedInterface? arg);
-  void passOptionalNonNullOther(optional IndirectlyImplementedInterface arg);
-  void passOptionalOtherWithDefault(optional IndirectlyImplementedInterface? arg = null);
-
-  // External interface types
-  TestExternalInterface receiveExternal();
-  TestExternalInterface? receiveNullableExternal();
-  TestExternalInterface receiveWeakExternal();
-  TestExternalInterface? receiveWeakNullableExternal();
-  void passExternal(TestExternalInterface arg);
-  void passNullableExternal(TestExternalInterface? arg);
-  attribute TestExternalInterface nonNullExternal;
-  attribute TestExternalInterface? nullableExternal;
-  // Optional arguments
-  void passOptionalExternal(optional TestExternalInterface? arg);
-  void passOptionalNonNullExternal(optional TestExternalInterface arg);
-  void passOptionalExternalWithDefault(optional TestExternalInterface? arg = null);
-
-  // Callback interface types
-  TestCallbackInterface receiveCallbackInterface();
-  TestCallbackInterface? receiveNullableCallbackInterface();
-  TestCallbackInterface receiveWeakCallbackInterface();
-  TestCallbackInterface? receiveWeakNullableCallbackInterface();
-  void passCallbackInterface(TestCallbackInterface arg);
-  void passNullableCallbackInterface(TestCallbackInterface? arg);
-  attribute TestCallbackInterface nonNullCallbackInterface;
-  attribute TestCallbackInterface? nullableCallbackInterface;
-  // Optional arguments
-  void passOptionalCallbackInterface(optional TestCallbackInterface? arg);
-  void passOptionalNonNullCallbackInterface(optional TestCallbackInterface arg);
-  void passOptionalCallbackInterfaceWithDefault(optional TestCallbackInterface? arg = null);
-
-  // Miscellaneous interface tests
-  IndirectlyImplementedInterface receiveConsequentialInterface();
-  void passConsequentialInterface(IndirectlyImplementedInterface arg);
-
-  // Sequence types
-  [Cached, Pure]
-  readonly attribute sequence<long> readonlySequence;
-  [Cached, Pure]
-  readonly attribute sequence<Dict> readonlySequenceOfDictionaries;
-  [Cached, Pure]
-  readonly attribute sequence<Dict>? readonlyNullableSequenceOfDictionaries;
-  [Cached, Pure, Frozen]
-  readonly attribute sequence<long> readonlyFrozenSequence;
-  [Cached, Pure, Frozen]
-  readonly attribute sequence<long>? readonlyFrozenNullableSequence;
-  sequence<long> receiveSequence();
-  sequence<long>? receiveNullableSequence();
-  sequence<long?> receiveSequenceOfNullableInts();
-  sequence<long?>? receiveNullableSequenceOfNullableInts();
-  void passSequence(sequence<long> arg);
-  void passNullableSequence(sequence<long>? arg);
-  void passSequenceOfNullableInts(sequence<long?> arg);
-  void passOptionalSequenceOfNullableInts(optional sequence<long?> arg);
-  void passOptionalNullableSequenceOfNullableInts(optional sequence<long?>? arg);
-  sequence<TestJSImplInterface> receiveCastableObjectSequence();
-  sequence<TestCallbackInterface> receiveCallbackObjectSequence();
-  sequence<TestJSImplInterface?> receiveNullableCastableObjectSequence();
-  sequence<TestCallbackInterface?> receiveNullableCallbackObjectSequence();
-  sequence<TestJSImplInterface>? receiveCastableObjectNullableSequence();
-  sequence<TestJSImplInterface?>? receiveNullableCastableObjectNullableSequence();
-  sequence<TestJSImplInterface> receiveWeakCastableObjectSequence();
-  sequence<TestJSImplInterface?> receiveWeakNullableCastableObjectSequence();
-  sequence<TestJSImplInterface>? receiveWeakCastableObjectNullableSequence();
-  sequence<TestJSImplInterface?>? receiveWeakNullableCastableObjectNullableSequence();
-  void passCastableObjectSequence(sequence<TestJSImplInterface> arg);
-  void passNullableCastableObjectSequence(sequence<TestJSImplInterface?> arg);
-  void passCastableObjectNullableSequence(sequence<TestJSImplInterface>? arg);
-  void passNullableCastableObjectNullableSequence(sequence<TestJSImplInterface?>? arg);
-  void passOptionalSequence(optional sequence<long> arg);
-  void passOptionalSequenceWithDefaultValue(optional sequence<long> arg = []);
-  void passOptionalNullableSequence(optional sequence<long>? arg);
-  void passOptionalNullableSequenceWithDefaultValue(optional sequence<long>? arg = null);
-  void passOptionalNullableSequenceWithDefaultValue2(optional sequence<long>? arg = []);
-  void passOptionalObjectSequence(optional sequence<TestJSImplInterface> arg);
-  void passExternalInterfaceSequence(sequence<TestExternalInterface> arg);
-  void passNullableExternalInterfaceSequence(sequence<TestExternalInterface?> arg);
-
-  sequence<DOMString> receiveStringSequence();
-  sequence<ByteString> receiveByteStringSequence();
-  // Callback interface problem.  See bug 843261.
-  //void passStringSequence(sequence<DOMString> arg);
-  sequence<any> receiveAnySequence();
-  sequence<any>? receiveNullableAnySequence();
-  //XXXbz No support for sequence of sequence return values yet.
-  //sequence<sequence<any>> receiveAnySequenceSequence();
-
-  sequence<object> receiveObjectSequence();
-  sequence<object?> receiveNullableObjectSequence();
-
-  void passSequenceOfSequences(sequence<sequence<long>> arg);
-  void passSequenceOfSequencesOfSequences(sequence<sequence<sequence<long>>> arg);
-  //XXXbz No support for sequence of sequence return values yet.
-  //sequence<sequence<long>> receiveSequenceOfSequences();
-
-  // MozMap types
-  void passMozMap(MozMap<long> arg);
-  void passNullableMozMap(MozMap<long>? arg);
-  void passMozMapOfNullableInts(MozMap<long?> arg);
-  void passOptionalMozMapOfNullableInts(optional MozMap<long?> arg);
-  void passOptionalNullableMozMapOfNullableInts(optional MozMap<long?>? arg);
-  void passCastableObjectMozMap(MozMap<TestJSImplInterface> arg);
-  void passNullableCastableObjectMozMap(MozMap<TestJSImplInterface?> arg);
-  void passCastableObjectNullableMozMap(MozMap<TestJSImplInterface>? arg);
-  void passNullableCastableObjectNullableMozMap(MozMap<TestJSImplInterface?>? arg);
-  void passOptionalMozMap(optional MozMap<long> arg);
-  void passOptionalNullableMozMap(optional MozMap<long>? arg);
-  void passOptionalNullableMozMapWithDefaultValue(optional MozMap<long>? arg = null);
-  void passOptionalObjectMozMap(optional MozMap<TestJSImplInterface> arg);
-  void passExternalInterfaceMozMap(MozMap<TestExternalInterface> arg);
-  void passNullableExternalInterfaceMozMap(MozMap<TestExternalInterface?> arg);
-  void passStringMozMap(MozMap<DOMString> arg);
-  void passByteStringMozMap(MozMap<ByteString> arg);
-  void passMozMapOfMozMaps(MozMap<MozMap<long>> arg);
-  MozMap<long> receiveMozMap();
-  MozMap<long>? receiveNullableMozMap();
-  MozMap<long?> receiveMozMapOfNullableInts();
-  MozMap<long?>? receiveNullableMozMapOfNullableInts();
-  //XXXbz No support for MozMap of MozMaps return values yet.
-  //MozMap<MozMap<long>> receiveMozMapOfMozMaps();
-  MozMap<any> receiveAnyMozMap();
-
-  // Typed array types
-  void passArrayBuffer(ArrayBuffer arg);
-  void passNullableArrayBuffer(ArrayBuffer? arg);
-  void passOptionalArrayBuffer(optional ArrayBuffer arg);
-  void passOptionalNullableArrayBuffer(optional ArrayBuffer? arg);
-  void passOptionalNullableArrayBufferWithDefaultValue(optional ArrayBuffer? arg= null);
-  void passArrayBufferView(ArrayBufferView arg);
-  void passInt8Array(Int8Array arg);
-  void passInt16Array(Int16Array arg);
-  void passInt32Array(Int32Array arg);
-  void passUint8Array(Uint8Array arg);
-  void passUint16Array(Uint16Array arg);
-  void passUint32Array(Uint32Array arg);
-  void passUint8ClampedArray(Uint8ClampedArray arg);
-  void passFloat32Array(Float32Array arg);
-  void passFloat64Array(Float64Array arg);
-  void passSequenceOfArrayBuffers(sequence<ArrayBuffer> arg);
-  void passSequenceOfNullableArrayBuffers(sequence<ArrayBuffer?> arg);
-  void passMozMapOfArrayBuffers(MozMap<ArrayBuffer> arg);
-  void passMozMapOfNullableArrayBuffers(MozMap<ArrayBuffer?> arg);
-  void passVariadicTypedArray(Float32Array... arg);
-  void passVariadicNullableTypedArray(Float32Array?... arg);
-  Uint8Array receiveUint8Array();
-  attribute Uint8Array uint8ArrayAttr;
-
-  // DOMString types
-  void passString(DOMString arg);
-  void passNullableString(DOMString? arg);
-  void passOptionalString(optional DOMString arg);
-  void passOptionalStringWithDefaultValue(optional DOMString arg = "abc");
-  void passOptionalNullableString(optional DOMString? arg);
-  void passOptionalNullableStringWithDefaultValue(optional DOMString? arg = null);
-  void passVariadicString(DOMString... arg);
-
-  // ByteString types
-  void passByteString(ByteString arg);
-  void passNullableByteString(ByteString? arg);
-  void passOptionalByteString(optional ByteString arg);
-  void passOptionalByteStringWithDefaultValue(optional ByteString arg = "abc");
-  void passOptionalNullableByteString(optional ByteString? arg);
-  void passOptionalNullableByteStringWithDefaultValue(optional ByteString? arg = null);
-  void passVariadicByteString(ByteString... arg);
-  void passUnionByteString((ByteString or long) arg);
-  void passOptionalUnionByteString(optional (ByteString or long) arg);
-  void passOptionalUnionByteStringWithDefaultValue(optional (ByteString or long) arg = "abc");
-
-  // USVString types
-  void passSVS(USVString arg);
-  void passNullableSVS(USVString? arg);
-  void passOptionalSVS(optional USVString arg);
-  void passOptionalSVSWithDefaultValue(optional USVString arg = "abc");
-  void passOptionalNullableSVS(optional USVString? arg);
-  void passOptionalNullableSVSWithDefaultValue(optional USVString? arg = null);
-  void passVariadicSVS(USVString... arg);
-  USVString receiveSVS();
-
-  // Enumerated types
-  void passEnum(MyTestEnum arg);
-  void passNullableEnum(MyTestEnum? arg);
-  void passOptionalEnum(optional MyTestEnum arg);
-  void passEnumWithDefault(optional MyTestEnum arg = "a");
-  void passOptionalNullableEnum(optional MyTestEnum? arg);
-  void passOptionalNullableEnumWithDefaultValue(optional MyTestEnum? arg = null);
-  void passOptionalNullableEnumWithDefaultValue2(optional MyTestEnum? arg = "a");
-  MyTestEnum receiveEnum();
-  MyTestEnum? receiveNullableEnum();
-  attribute MyTestEnum enumAttribute;
-  readonly attribute MyTestEnum readonlyEnumAttribute;
-
-  // Callback types
-  void passCallback(MyTestCallback arg);
-  void passNullableCallback(MyTestCallback? arg);
-  void passOptionalCallback(optional MyTestCallback arg);
-  void passOptionalNullableCallback(optional MyTestCallback? arg);
-  void passOptionalNullableCallbackWithDefaultValue(optional MyTestCallback? arg = null);
-  MyTestCallback receiveCallback();
-  MyTestCallback? receiveNullableCallback();
-  // Hmm. These two don't work, I think because I need a locally modified version of TestTreatAsNullCallback.
-  //void passNullableTreatAsNullCallback(TestTreatAsNullCallback? arg);
-  //void passOptionalNullableTreatAsNullCallback(optional TestTreatAsNullCallback? arg);
-  void passOptionalNullableTreatAsNullCallbackWithDefaultValue(optional TestTreatAsNullCallback? arg = null);
-
-  // Any types
-  void passAny(any arg);
-  void passVariadicAny(any... arg);
-  void passOptionalAny(optional any arg);
-  void passAnyDefaultNull(optional any arg = null);
-  void passSequenceOfAny(sequence<any> arg);
-  void passNullableSequenceOfAny(sequence<any>? arg);
-  void passOptionalSequenceOfAny(optional sequence<any> arg);
-  void passOptionalNullableSequenceOfAny(optional sequence<any>? arg);
-  void passOptionalSequenceOfAnyWithDefaultValue(optional sequence<any>? arg = null);
-  void passSequenceOfSequenceOfAny(sequence<sequence<any>> arg);
-  void passSequenceOfNullableSequenceOfAny(sequence<sequence<any>?> arg);
-  void passNullableSequenceOfNullableSequenceOfAny(sequence<sequence<any>?>? arg);
-  void passOptionalNullableSequenceOfNullableSequenceOfAny(optional sequence<sequence<any>?>? arg);
-  void passMozMapOfAny(MozMap<any> arg);
-  void passNullableMozMapOfAny(MozMap<any>? arg);
-  void passOptionalMozMapOfAny(optional MozMap<any> arg);
-  void passOptionalNullableMozMapOfAny(optional MozMap<any>? arg);
-  void passOptionalMozMapOfAnyWithDefaultValue(optional MozMap<any>? arg = null);
-  void passMozMapOfMozMapOfAny(MozMap<MozMap<any>> arg);
-  void passMozMapOfNullableMozMapOfAny(MozMap<MozMap<any>?> arg);
-  void passNullableMozMapOfNullableMozMapOfAny(MozMap<MozMap<any>?>? arg);
-  void passOptionalNullableMozMapOfNullableMozMapOfAny(optional MozMap<MozMap<any>?>? arg);
-  void passOptionalNullableMozMapOfNullableSequenceOfAny(optional MozMap<sequence<any>?>? arg);
-  void passOptionalNullableSequenceOfNullableMozMapOfAny(optional sequence<MozMap<any>?>? arg);
-  any receiveAny();
-
-  // object types
-  void passObject(object arg);
-  void passVariadicObject(object... arg);
-  void passNullableObject(object? arg);
-  void passVariadicNullableObject(object... arg);
-  void passOptionalObject(optional object arg);
-  void passOptionalNullableObject(optional object? arg);
-  void passOptionalNullableObjectWithDefaultValue(optional object? arg = null);
-  void passSequenceOfObject(sequence<object> arg);
-  void passSequenceOfNullableObject(sequence<object?> arg);
-  void passNullableSequenceOfObject(sequence<object>? arg);
-  void passOptionalNullableSequenceOfNullableSequenceOfObject(optional sequence<sequence<object>?>? arg);
-  void passOptionalNullableSequenceOfNullableSequenceOfNullableObject(optional sequence<sequence<object?>?>? arg);
-  void passMozMapOfObject(MozMap<object> arg);
-  object receiveObject();
-  object? receiveNullableObject();
-
-  // Union types
-  void passUnion((object or long) arg);
-  // Some union tests are debug-only to avoid creating all those
-  // unused union types in opt builds.
-#ifdef DEBUG
-  void passUnion2((long or boolean) arg);
-  void passUnion3((object or long or boolean) arg);
-  void passUnion4((Node or long or boolean) arg);
-  void passUnion5((object or boolean) arg);
-  void passUnion6((object or DOMString) arg);
-  void passUnion7((object or DOMString or long) arg);
-  void passUnion8((object or DOMString or boolean) arg);
-  void passUnion9((object or DOMString or long or boolean) arg);
-  void passUnion10(optional (EventInit or long) arg);
-  void passUnion11(optional (CustomEventInit or long) arg);
-  void passUnion12(optional (EventInit or long) arg = 5);
-  void passUnion13(optional (object or long?) arg = null);
-  void passUnion14(optional (object or long?) arg = 5);
-  void passUnion15((sequence<long> or long) arg);
-  void passUnion16(optional (sequence<long> or long) arg);
-  void passUnion17(optional (sequence<long>? or long) arg = 5);
-  void passUnion18((sequence<object> or long) arg);
-  void passUnion19(optional (sequence<object> or long) arg);
-  void passUnion20(optional (sequence<object> or long) arg = []);
-  void passUnion21((MozMap<long> or long) arg);
-  void passUnion22((MozMap<object> or long) arg);
-  void passUnion23((sequence<ImageData> or long) arg);
-  void passUnion24((sequence<ImageData?> or long) arg);
-  void passUnion25((sequence<sequence<ImageData>> or long) arg);
-  void passUnion26((sequence<sequence<ImageData?>> or long) arg);
-  void passUnion27(optional (sequence<DOMString> or EventInit) arg);
-  void passUnion28(optional (EventInit or sequence<DOMString>) arg);
-  void passUnionWithCallback((EventHandler or long) arg);
-  void passUnionWithByteString((ByteString or long) arg);
-  void passUnionWithMozMap((MozMap<DOMString> or DOMString) arg);
-  void passUnionWithMozMapAndSequence((MozMap<DOMString> or sequence<DOMString>) arg);
-  void passUnionWithSequenceAndMozMap((sequence<DOMString> or MozMap<DOMString>) arg);
-  void passUnionWithSVS((USVString or long) arg);
-#endif
-  void passUnionWithNullable((object? or long) arg);
-  void passNullableUnion((object or long)? arg);
-  void passOptionalUnion(optional (object or long) arg);
-  void passOptionalNullableUnion(optional (object or long)? arg);
-  void passOptionalNullableUnionWithDefaultValue(optional (object or long)? arg = null);
-  //void passUnionWithInterfaces((TestJSImplInterface or TestExternalInterface) arg);
-  //void passUnionWithInterfacesAndNullable((TestJSImplInterface? or TestExternalInterface) arg);
-  //void passUnionWithSequence((sequence<object> or long) arg);
-  void passUnionWithArrayBuffer((ArrayBuffer or long) arg);
-  void passUnionWithString((DOMString or object) arg);
-  // Using an enum in a union.  Note that we use some enum not declared in our
-  // binding file, because UnionTypes.h will need to include the binding header
-  // for this enum.  Pick an enum from an interface that won't drag in too much
-  // stuff.
-  void passUnionWithEnum((SupportedType or object) arg);
-
-  // Trying to use a callback in a union won't include the test
-  // headers, unfortunately, so won't compile.
-  //  void passUnionWithCallback((MyTestCallback or long) arg);
-  void passUnionWithObject((object or long) arg);
-  //void passUnionWithDict((Dict or long) arg);
-
-  void passUnionWithDefaultValue1(optional (double or DOMString) arg = "");
-  void passUnionWithDefaultValue2(optional (double or DOMString) arg = 1);
-  void passUnionWithDefaultValue3(optional (double or DOMString) arg = 1.5);
-  void passUnionWithDefaultValue4(optional (float or DOMString) arg = "");
-  void passUnionWithDefaultValue5(optional (float or DOMString) arg = 1);
-  void passUnionWithDefaultValue6(optional (float or DOMString) arg = 1.5);
-  void passUnionWithDefaultValue7(optional (unrestricted double or DOMString) arg = "");
-  void passUnionWithDefaultValue8(optional (unrestricted double or DOMString) arg = 1);
-  void passUnionWithDefaultValue9(optional (unrestricted double or DOMString) arg = 1.5);
-  void passUnionWithDefaultValue10(optional (unrestricted double or DOMString) arg = Infinity);
-  void passUnionWithDefaultValue11(optional (unrestricted float or DOMString) arg = "");
-  void passUnionWithDefaultValue12(optional (unrestricted float or DOMString) arg = 1);
-  void passUnionWithDefaultValue13(optional (unrestricted float or DOMString) arg = Infinity);
-  void passUnionWithDefaultValue14(optional (double or ByteString) arg = "");
-  void passUnionWithDefaultValue15(optional (double or ByteString) arg = 1);
-  void passUnionWithDefaultValue16(optional (double or ByteString) arg = 1.5);
-  void passUnionWithDefaultValue17(optional (double or SupportedType) arg = "text/html");
-  void passUnionWithDefaultValue18(optional (double or SupportedType) arg = 1);
-  void passUnionWithDefaultValue19(optional (double or SupportedType) arg = 1.5);
-
-  void passNullableUnionWithDefaultValue1(optional (double or DOMString)? arg = "");
-  void passNullableUnionWithDefaultValue2(optional (double or DOMString)? arg = 1);
-  void passNullableUnionWithDefaultValue3(optional (double or DOMString)? arg = null);
-  void passNullableUnionWithDefaultValue4(optional (float or DOMString)? arg = "");
-  void passNullableUnionWithDefaultValue5(optional (float or DOMString)? arg = 1);
-  void passNullableUnionWithDefaultValue6(optional (float or DOMString)? arg = null);
-  void passNullableUnionWithDefaultValue7(optional (unrestricted double or DOMString)? arg = "");
-  void passNullableUnionWithDefaultValue8(optional (unrestricted double or DOMString)? arg = 1);
-  void passNullableUnionWithDefaultValue9(optional (unrestricted double or DOMString)? arg = null);
-  void passNullableUnionWithDefaultValue10(optional (unrestricted float or DOMString)? arg = "");
-  void passNullableUnionWithDefaultValue11(optional (unrestricted float or DOMString)? arg = 1);
-  void passNullableUnionWithDefaultValue12(optional (unrestricted float or DOMString)? arg = null);
-  void passNullableUnionWithDefaultValue13(optional (double or ByteString)? arg = "");
-  void passNullableUnionWithDefaultValue14(optional (double or ByteString)? arg = 1);
-  void passNullableUnionWithDefaultValue15(optional (double or ByteString)? arg = 1.5);
-  void passNullableUnionWithDefaultValue16(optional (double or ByteString)? arg = null);
-  void passNullableUnionWithDefaultValue17(optional (double or SupportedType)? arg = "text/html");
-  void passNullableUnionWithDefaultValue18(optional (double or SupportedType)? arg = 1);
-  void passNullableUnionWithDefaultValue19(optional (double or SupportedType)? arg = 1.5);
-  void passNullableUnionWithDefaultValue20(optional (double or SupportedType)? arg = null);
-
-  void passSequenceOfUnions(sequence<(CanvasPattern or CanvasGradient)> arg);
-  void passSequenceOfUnions2(sequence<(object or long)> arg);
-  void passVariadicUnion((CanvasPattern or CanvasGradient)... arg);
-
-  void passSequenceOfNullableUnions(sequence<(CanvasPattern or CanvasGradient)?> arg);
-  void passVariadicNullableUnion((CanvasPattern or CanvasGradient)?... arg);
-  void passMozMapOfUnions(MozMap<(CanvasPattern or CanvasGradient)> arg);
-  // XXXbz no move constructor on some unions
-  // void passMozMapOfUnions2(MozMap<(object or long)> arg);
-
-  (CanvasPattern or CanvasGradient) receiveUnion();
-  (object or long) receiveUnion2();
-  (CanvasPattern? or CanvasGradient) receiveUnionContainingNull();
-  (CanvasPattern or CanvasGradient)? receiveNullableUnion();
-  (object or long)? receiveNullableUnion2();
-
-  attribute (CanvasPattern or CanvasGradient) writableUnion;
-  attribute (CanvasPattern? or CanvasGradient) writableUnionContainingNull;
-  attribute (CanvasPattern or CanvasGradient)? writableNullableUnion;
-
-  // Date types
-  void passDate(Date arg);
-  void passNullableDate(Date? arg);
-  void passOptionalDate(optional Date arg);
-  void passOptionalNullableDate(optional Date? arg);
-  void passOptionalNullableDateWithDefaultValue(optional Date? arg = null);
-  void passDateSequence(sequence<Date> arg);
-  void passNullableDateSequence(sequence<Date?> arg);
-  void passDateMozMap(MozMap<Date> arg);
-  Date receiveDate();
-  Date? receiveNullableDate();
-
-  // Promise types
-  void passPromise(Promise<any> arg);
-  void passNullablePromise(Promise<any>? arg);
-  void passOptionalPromise(optional Promise<any> arg);
-  void passOptionalNullablePromise(optional Promise<any>? arg);
-  void passOptionalNullablePromiseWithDefaultValue(optional Promise<any>? arg = null);
-  void passPromiseSequence(sequence<Promise<any>> arg);
-  void passNullablePromiseSequence(sequence<Promise<any>?> arg);
-  Promise<any> receivePromise();
-  Promise<any> receiveAddrefedPromise();
-
-  // binaryNames tests
-  void methodRenamedFrom();
-  [BinaryName="otherMethodRenamedTo"]
-  void otherMethodRenamedFrom();
-  void methodRenamedFrom(byte argument);
-  readonly attribute byte attributeGetterRenamedFrom;
-  attribute byte attributeRenamedFrom;
-  [BinaryName="otherAttributeRenamedTo"]
-  attribute byte otherAttributeRenamedFrom;
-
-  void passDictionary(optional Dict x);
-  void passDictionary2(Dict x);
-  [Cached, Pure]
-  readonly attribute Dict readonlyDictionary;
-  [Cached, Pure]
-  readonly attribute Dict? readonlyNullableDictionary;
-  [Cached, Pure]
-  attribute Dict writableDictionary;
-  [Cached, Pure, Frozen]
-  readonly attribute Dict readonlyFrozenDictionary;
-  [Cached, Pure, Frozen]
-  readonly attribute Dict? readonlyFrozenNullableDictionary;
-  [Cached, Pure, Frozen]
-  attribute Dict writableFrozenDictionary;
-  Dict receiveDictionary();
-  Dict? receiveNullableDictionary();
-  void passOtherDictionary(optional GrandparentDict x);
-  void passSequenceOfDictionaries(sequence<Dict> x);
-  void passMozMapOfDictionaries(MozMap<GrandparentDict> x);
-  // No support for nullable dictionaries inside a sequence (nor should there be)
-  //  void passSequenceOfNullableDictionaries(sequence<Dict?> x);
-  void passDictionaryOrLong(optional Dict x);
-  void passDictionaryOrLong(long x);
-
-  void passDictContainingDict(optional DictContainingDict arg);
-  void passDictContainingSequence(optional DictContainingSequence arg);
-  DictContainingSequence receiveDictContainingSequence();
-  void passVariadicDictionary(Dict... arg);
-
-  // EnforceRange/Clamp tests
-  void dontEnforceRangeOrClamp(byte arg);
-  void doEnforceRange([EnforceRange] byte arg);
-  void doClamp([Clamp] byte arg);
-  [EnforceRange] attribute byte enforcedByte;
-  [Clamp] attribute byte clampedByte;
-
-  // Typedefs
-  const myLong myLongConstant = 5;
-  void exerciseTypedefInterfaces1(AnotherNameForTestJSImplInterface arg);
-  AnotherNameForTestJSImplInterface exerciseTypedefInterfaces2(NullableTestJSImplInterface arg);
-  void exerciseTypedefInterfaces3(YetAnotherNameForTestJSImplInterface arg);
-
-  // Deprecated methods and attributes
-  [Deprecated="GetAttributeNode"]
-  attribute byte deprecatedAttribute;
-  [Deprecated="GetAttributeNode"]
-  byte deprecatedMethod();
-  [Deprecated="GetAttributeNode"]
-  void deprecatedMethodWithContext(any arg);
-
-  // Static methods and attributes
-  // FIXME: Bug 863952 Static things are not supported yet
-  /*
-  static attribute boolean staticAttribute;
-  static void staticMethod(boolean arg);
-  static void staticMethodWithContext(any arg);
-
-  // Deprecated static methods and attributes
-  [Deprecated="GetAttributeNode"]
-  static attribute byte staticDeprecatedAttribute;
-  [Deprecated="GetAttributeNode"]
-  static byte staticDeprecatedMethod();
-  [Deprecated="GetAttributeNode"]
-  static byte staticDeprecatedMethodWithContext();
-  */
-
-  // Overload resolution tests
-  //void overload1(DOMString... strs);
-  boolean overload1(TestJSImplInterface arg);
-  TestJSImplInterface overload1(DOMString strs, TestJSImplInterface arg);
-  void overload2(TestJSImplInterface arg);
-  void overload2(optional Dict arg);
-  void overload2(boolean arg);
-  void overload2(DOMString arg);
-  void overload2(Date arg);
-  void overload3(TestJSImplInterface arg);
-  void overload3(MyTestCallback arg);
-  void overload3(boolean arg);
-  void overload4(TestJSImplInterface arg);
-  void overload4(TestCallbackInterface arg);
-  void overload4(DOMString arg);
-  void overload5(long arg);
-  void overload5(MyTestEnum arg);
-  void overload6(long arg);
-  void overload6(boolean arg);
-  void overload7(long arg);
-  void overload7(boolean arg);
-  void overload7(ByteString arg);
-  void overload8(long arg);
-  void overload8(TestJSImplInterface arg);
-  void overload9(long? arg);
-  void overload9(DOMString arg);
-  void overload10(long? arg);
-  void overload10(object arg);
-  void overload11(long arg);
-  void overload11(DOMString? arg);
-  void overload12(long arg);
-  void overload12(boolean? arg);
-  void overload13(long? arg);
-  void overload13(boolean arg);
-  void overload14(optional long arg);
-  void overload14(TestInterface arg);
-  void overload15(long arg);
-  void overload15(optional TestInterface arg);
-  void overload16(long arg);
-  void overload16(optional TestInterface? arg);
-  void overload17(sequence<long> arg);
-  void overload17(MozMap<long> arg);
-  void overload18(MozMap<DOMString> arg);
-  void overload18(sequence<DOMString> arg);
-  void overload19(sequence<long> arg);
-  void overload19(optional Dict arg);
-  void overload20(optional Dict arg);
-  void overload20(sequence<long> arg);
-
-  // Variadic handling
-  void passVariadicThirdArg(DOMString arg1, long arg2, TestJSImplInterface... arg3);
-
-  // Conditionally exposed methods/attributes
-  [Pref="abc.def"]
-  readonly attribute boolean prefable1;
-  [Pref="abc.def"]
-  readonly attribute boolean prefable2;
-  [Pref="ghi.jkl"]
-  readonly attribute boolean prefable3;
-  [Pref="ghi.jkl"]
-  readonly attribute boolean prefable4;
-  [Pref="abc.def"]
-  readonly attribute boolean prefable5;
-  [Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  readonly attribute boolean prefable6;
-  [Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  readonly attribute boolean prefable7;
-  [Pref="ghi.jkl", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  readonly attribute boolean prefable8;
-  [Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  readonly attribute boolean prefable9;
-  [Pref="abc.def"]
-  void prefable10();
-  [Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  void prefable11();
-  [Pref="abc.def", Func="TestFuncControlledMember"]
-  readonly attribute boolean prefable12;
-  [Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  void prefable13();
-  [Pref="abc.def", Func="TestFuncControlledMember"]
-  readonly attribute boolean prefable14;
-  [Func="TestFuncControlledMember"]
-  readonly attribute boolean prefable15;
-  [Func="TestFuncControlledMember"]
-  readonly attribute boolean prefable16;
-  [Pref="abc.def", Func="TestFuncControlledMember"]
-  void prefable17();
-  [Func="TestFuncControlledMember"]
-  void prefable18();
-  [Func="TestFuncControlledMember"]
-  void prefable19();
-  [Pref="abc.def", Func="TestFuncControlledMember", ChromeOnly]
-  void prefable20();
-
-  // Conditionally exposed methods/attributes involving [SecureContext]
-  [SecureContext]
-  readonly attribute boolean conditionalOnSecureContext1;
-  [SecureContext, Pref="abc.def"]
-  readonly attribute boolean conditionalOnSecureContext2;
-  [SecureContext, Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  readonly attribute boolean conditionalOnSecureContext3;
-  [SecureContext, Pref="abc.def", Func="TestFuncControlledMember"]
-  readonly attribute boolean conditionalOnSecureContext4;
-  [SecureContext]
-  void conditionalOnSecureContext5();
-  [SecureContext, Pref="abc.def"]
-  void conditionalOnSecureContext6();
-  [SecureContext, Pref="abc.def", Func="nsGenericHTMLElement::TouchEventsEnabled"]
-  void conditionalOnSecureContext7();
-  [SecureContext, Pref="abc.def", Func="TestFuncControlledMember"]
-  void conditionalOnSecureContext8();
-
-  // Miscellania
-  [LenientThis] attribute long attrWithLenientThis;
-  // FIXME: Bug 863954 Unforgeable things get all confused when
-  // non-JS-implemented interfaces inherit from JS-implemented ones or vice
-  // versa.
-  //   [Unforgeable] readonly attribute long unforgeableAttr;
-  //   [Unforgeable, ChromeOnly] readonly attribute long unforgeableAttr2;
-  //   [Unforgeable] long unforgeableMethod();
-  //   [Unforgeable, ChromeOnly] long unforgeableMethod2();
-  // FIXME: Bug 863955 No stringifiers yet
-  //   stringifier;
-  void passRenamedInterface(TestRenamedInterface arg);
-  [PutForwards=writableByte] readonly attribute TestJSImplInterface putForwardsAttr;
-  [PutForwards=writableByte, LenientThis] readonly attribute TestJSImplInterface putForwardsAttr2;
-  [PutForwards=writableByte, ChromeOnly] readonly attribute TestJSImplInterface putForwardsAttr3;
-  [Throws] void throwingMethod();
-  [Throws] attribute boolean throwingAttr;
-  [GetterThrows] attribute boolean throwingGetterAttr;
-  [SetterThrows] attribute boolean throwingSetterAttr;
-  [CEReactions] void ceReactionsMethod();
-  [CEReactions] void ceReactionsMethodOverload();
-  [CEReactions] void ceReactionsMethodOverload(DOMString bar);
-  [CEReactions] attribute boolean ceReactionsAttr;
-  // NeedsSubjectPrincipal not supported on JS-implemented things for
-  // now, because we always pass in the caller principal anyway.
-  //  [NeedsSubjectPrincipal] void needsSubjectPrincipalMethod();
-  //  [NeedsSubjectPrincipal] attribute boolean needsSubjectPrincipalAttr;
-  // legacycaller short(unsigned long arg1, TestInterface arg2);
-  void passArgsWithDefaults(optional long arg1,
-                            optional TestInterface? arg2 = null,
-                            optional Dict arg3, optional double arg4 = 5.0,
-                            optional float arg5);
-  attribute any jsonifierShouldSkipThis;
-  attribute TestParentInterface jsonifierShouldSkipThis2;
-  attribute TestCallbackInterface jsonifierShouldSkipThis3;
-  jsonifier;
-
-  attribute byte dashed-attribute;
-  void dashed-method();
-
-  // If you add things here, add them to TestCodeGen as well
-};
-
-[NavigatorProperty="TestNavigator", JSImplementation="@mozilla.org/test;1"]
-interface TestNavigator {
-};
-
-[Constructor, NavigatorProperty="TestNavigatorWithConstructor", JSImplementation="@mozilla.org/test;1"]
-interface TestNavigatorWithConstructor {
-};
-
-interface TestCImplementedInterface : TestJSImplInterface {
-};
-
-interface TestCImplementedInterface2 {
-};
-
-[NoInterfaceObject,
- JSImplementation="@mozilla.org/test-js-impl-interface;2"]
-interface TestJSImplNoInterfaceObject {
-  [Cached, Pure]
-  readonly attribute byte cachedByte;
-};
diff --git a/dom/bindings/test/TestJSImplInheritanceGen.webidl b/dom/bindings/test/TestJSImplInheritanceGen.webidl
deleted file mode 100644
index e62dbd10b..000000000
--- a/dom/bindings/test/TestJSImplInheritanceGen.webidl
+++ /dev/null
@@ -1,29 +0,0 @@
-/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-
-[Constructor, JSImplementation="@mozilla.org/test-js-impl-interface2;1"]
-interface TestJSImplInterface2 :  TestCImplementedInterface {
-};
-
-[Constructor, JSImplementation="@mozilla.org/test-js-impl-interface3;1"]
-interface TestJSImplInterface3 : TestCImplementedInterface2 {
-};
-
-// Important: TestJSImplInterface5 needs to come before TestJSImplInterface6 in
-// this file to test what it's trying to test.
-[Constructor, JSImplementation="@mozilla.org/test-js-impl-interface5;1"]
-interface TestJSImplInterface5 : TestJSImplInterface6 {
-};
-
-// Important: TestJSImplInterface6 needs to come after TestJSImplInterface3 in
-// this file to test what it's trying to test.
-[Constructor, JSImplementation="@mozilla.org/test-js-impl-interface6;1"]
-interface TestJSImplInterface6 : TestJSImplInterface3 {
-};
-
-[Constructor, JSImplementation="@mozilla.org/test-js-impl-interface4;1"]
-interface TestJSImplInterface4 : EventTarget {
-};
diff --git a/dom/bindings/test/TestTypedef.webidl b/dom/bindings/test/TestTypedef.webidl
deleted file mode 100644
index 7f758c79e..000000000
--- a/dom/bindings/test/TestTypedef.webidl
+++ /dev/null
@@ -1,7 +0,0 @@
-/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-
-typedef TestInterface YetAnotherNameForTestInterface;
diff --git a/dom/bindings/test/chrome.ini b/dom/bindings/test/chrome.ini
deleted file mode 100644
index 9fdbd7fd3..000000000
--- a/dom/bindings/test/chrome.ini
+++ /dev/null
@@ -1,22 +0,0 @@
-[DEFAULT]
-support-files =
-  !/dom/bindings/test/file_bug775543.html
-  !/dom/bindings/test/file_document_location_set_via_xray.html
-  !/dom/bindings/test/file_dom_xrays.html
-  !/dom/bindings/test/file_proxies_via_xray.html
-
-[test_bug775543.html]
-[test_document_location_set_via_xray.html]
-[test_dom_xrays.html]
-[test_proxies_via_xray.html]
-[test_document_location_via_xray_cached.html]
-[test_blacklisted_prerendering_function.xul]
-support-files =
-  file_focuser.html
-  file_fullScreenPropertyAccessor.html
-skip-if = e10s # prerendering doesn't work in e10s yet
-[test_kill_longrunning_prerendered_content.xul]
-skip-if = e10s # prerendering doesn't work in e10s yet
-[test_bug1123516_maplikesetlikechrome.xul]
-skip-if = debug == false
-[test_bug1287912.html]
diff --git a/dom/bindings/test/file_InstanceOf.html b/dom/bindings/test/file_InstanceOf.html
deleted file mode 100644
index 487010fa4..000000000
--- a/dom/bindings/test/file_InstanceOf.html
+++ /dev/null
@@ -1,12 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<body>
-<script type="application/javascript">
-function runTest()
-{
-  return [ parent.HTMLElement.prototype instanceof Element,
-           parent.HTMLElement.prototype instanceof parent.Element ];
-}
-</script>
-</body>
-</html>
diff --git a/dom/bindings/test/file_bug775543.html b/dom/bindings/test/file_bug775543.html
deleted file mode 100644
index ee8c14c4d..000000000
--- a/dom/bindings/test/file_bug775543.html
+++ /dev/null
@@ -1,5 +0,0 @@
-<body>
-<script>
-worker = new Worker("a");
-</script>
-</body>
diff --git a/dom/bindings/test/file_document_location_set_via_xray.html b/dom/bindings/test/file_document_location_set_via_xray.html
deleted file mode 100644
index 323acba66..000000000
--- a/dom/bindings/test/file_document_location_set_via_xray.html
+++ /dev/null
@@ -1,5 +0,0 @@
-<body>
-<script>
-document.x = 5;
-</script>
-</body>
diff --git a/dom/bindings/test/file_dom_xrays.html b/dom/bindings/test/file_dom_xrays.html
deleted file mode 100644
index 36b3f8a30..000000000
--- a/dom/bindings/test/file_dom_xrays.html
+++ /dev/null
@@ -1,24 +0,0 @@
-<!DOCTYPE html>
-<html>
-  <script>
-    window.expando = 42;
-    window.shadowedIframe = 42;
-    Object.setPrototypeOf(window, Object.create(Window.prototype,
-      {
-        shadowedIframe: { value: 42 },
-        iframe: { value: 42 },
-        document: { value: 42 },
-        addEventListener: { value: 42 },
-        toString: { value: 42 }
-      }));
-    window.documentElement.expando = 42;
-    Object.defineProperty(window.documentElement, "version", { value: 42 });
-  </script>
-  <iframe name="shadowedIframe" id="shadowedIframe"></iframe>
-  <iframe name="iframe" id="iframe"></iframe>
-  <iframe name="document" id="document"></iframe>
-  <iframe name="self" id="self"></iframe>
-  <iframe name="addEventListener" id="addEventListener"></iframe>
-  <iframe name="toString" id="toString"></iframe>
-  <iframe name="item" id="item"></iframe>
-</html>
diff --git a/dom/bindings/test/file_focuser.html b/dom/bindings/test/file_focuser.html
deleted file mode 100644
index 0d5240f95..000000000
--- a/dom/bindings/test/file_focuser.html
+++ /dev/null
@@ -1,24 +0,0 @@
-<!DOCTYPE HTML>
-<div id="stage"></div>
-<script>
-  function stage(str) {
-    var s = document.getElementById("stage");
-    s.textContent = str;
-  }
-  stage("before");
-  setTimeout(function() {
-    stage("in timeout");
-  });
-  setInterval(function() {
-    stage("in interval");
-  });
-  addEventListener("keydown", function() {
-    stage("keydown");
-  }, false);
-  try {
-    focus();
-    stage("after");
-  } catch(e) {
-    stage("exception raised");
-  }
-</script>
diff --git a/dom/bindings/test/file_fullScreenPropertyAccessor.html b/dom/bindings/test/file_fullScreenPropertyAccessor.html
deleted file mode 100644
index 92a37e0ba..000000000
--- a/dom/bindings/test/file_fullScreenPropertyAccessor.html
+++ /dev/null
@@ -1,24 +0,0 @@
-<!DOCTYPE HTML>
-<div id="stage"></div>
-<script>
-  function stage(str) {
-    var s = document.getElementById("stage");
-    s.textContent = str;
-  }
-  stage("before");
-  setTimeout(function() {
-    stage("in timeout");
-  });
-  setInterval(function() {
-    stage("in interval");
-  });
-  addEventListener("keydown", function() {
-    stage("keydown");
-  }, false);
-  try {
-    window.fullScreen;
-    stage("after");
-  } catch(e) {
-    stage("exception raised");
-  }
-</script>
diff --git a/dom/bindings/test/file_proxies_via_xray.html b/dom/bindings/test/file_proxies_via_xray.html
deleted file mode 100644
index 2e9a31830..000000000
--- a/dom/bindings/test/file_proxies_via_xray.html
+++ /dev/null
@@ -1,8 +0,0 @@
-<!DOCTYPE html>
-<html>
-  <script>
-    document.x = 5
-  </script>
-  <img id="y" name="y"></div>
-  <img id="z" name="z"></div>
-</html>
diff --git a/dom/bindings/test/forOf_iframe.html b/dom/bindings/test/forOf_iframe.html
deleted file mode 100644
index 91417aba0..000000000
--- a/dom/bindings/test/forOf_iframe.html
+++ /dev/null
@@ -1,13 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<head>
-  <title>iframe content for test_forOf_iframe.html</title>
-</head>
-<body>
-  <div id="basket">
-    <span id="egg0"></span>
-    <span id="egg1"><span id="duckling1"></span></span>
-    <span id="egg2"></span>
-  </div>
-</body>
-</html>
diff --git a/dom/bindings/test/mochitest.ini b/dom/bindings/test/mochitest.ini
deleted file mode 100644
index 2cd322e74..000000000
--- a/dom/bindings/test/mochitest.ini
+++ /dev/null
@@ -1,79 +0,0 @@
-[DEFAULT]
-support-files =
-  file_InstanceOf.html
-  file_bug775543.html
-  file_document_location_set_via_xray.html
-  file_dom_xrays.html
-  file_proxies_via_xray.html
-  forOf_iframe.html
-  !/js/xpconnect/tests/mochitest/file_empty.html
-
-[test_async_stacks.html]
-[test_ByteString.html]
-[test_InstanceOf.html]
-[test_bug560072.html]
-[test_bug742191.html]
-[test_bug759621.html]
-[test_bug773326.html]
-[test_bug788369.html]
-[test_bug852846.html]
-[test_bug862092.html]
-[test_bug1036214.html]
-skip-if = debug == false
-[test_bug963382.html]
-skip-if = debug == false
-[test_bug1041646.html]
-[test_bug1123875.html]
-[test_barewordGetsWindow.html]
-[test_callback_across_document_open.html]
-[test_callback_default_thisval.html]
-[test_cloneAndImportNode.html]
-[test_defineProperty.html]
-[test_enums.html]
-[test_exceptionThrowing.html]
-[test_exception_messages.html]
-[test_forOf.html]
-[test_integers.html]
-[test_interfaceName.html]
-[test_interfaceToString.html]
-[test_exceptions_from_jsimplemented.html]
-tags = webrtc
-[test_lenientThis.html]
-[test_lookupGetter.html]
-[test_namedNoIndexed.html]
-[test_named_getter_enumerability.html]
-[test_Object.prototype_props.html]
-[test_queryInterface.html]
-[test_returnUnion.html]
-skip-if = debug == false
-[test_usvstring.html]
-skip-if = debug == false
-[test_sequence_wrapping.html]
-subsuite = gpu
-[test_setWithNamedGetterNoNamedSetter.html]
-[test_throwing_method_noDCE.html]
-[test_treat_non_object_as_null.html]
-[test_traceProtos.html]
-[test_sequence_detection.html]
-skip-if = debug == false
-[test_exception_options_from_jsimplemented.html]
-skip-if = debug == false
-[test_promise_rejections_from_jsimplemented.html]
-skip-if = debug == false
-[test_worker_UnwrapArg.html]
-[test_unforgeablesonexpando.html]
-[test_crossOriginWindowSymbolAccess.html]
-[test_primitive_this.html]
-[test_callback_exceptions.html]
-[test_bug1123516_maplikesetlike.html]
-skip-if = debug == false
-[test_jsimplemented_eventhandler.html]
-skip-if = debug == false
-[test_iterable.html]
-skip-if = debug == false
-[test_oom_reporting.html]
-[test_domProxyArrayLengthGetter.html]
-[test_exceptionSanitization.html]
-skip-if = os == "android"
-[test_stringBindings.html]
-skip-if = debug == false
diff --git a/dom/bindings/test/moz.build b/dom/bindings/test/moz.build
deleted file mode 100644
index 7d0cb6c21..000000000
--- a/dom/bindings/test/moz.build
+++ /dev/null
@@ -1,58 +0,0 @@
-# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
-# vim: set filetype=python:
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-DEFINES.update({
-    'IMPL_LIBXUL': True,
-    'MOZILLA_INTERNAL_API': True,
-})
-
-# Do NOT export this library.  We don't actually want our test code
-# being added to libxul or anything.
-
-Library('dombindings_test_s')
-
-EXTRA_COMPONENTS += [
-    'TestInterfaceJS.js',
-    'TestInterfaceJS.manifest',
-    'TestInterfaceJSMaplike.js'
-]
-
-MOCHITEST_MANIFESTS += ['mochitest.ini']
-
-MOCHITEST_CHROME_MANIFESTS += ['chrome.ini']
-
-TEST_WEBIDL_FILES += [
-    'TestDictionary.webidl',
-    'TestJSImplInheritanceGen.webidl',
-    'TestTypedef.webidl',
-]
-
-PREPROCESSED_TEST_WEBIDL_FILES += [
-    'TestCodeGen.webidl',
-    'TestExampleGen.webidl',
-    'TestJSImplGen.webidl',
-]
-
-WEBIDL_EXAMPLE_INTERFACES += [
-    'TestExampleInterface',
-    'TestExampleProxyInterface',
-    'TestExampleWorkerInterface',
-]
-
-# Bug 932082 tracks having bindings use namespaced includes.
-LOCAL_INCLUDES += [
-    '!/dist/include/mozilla/dom',
-]
-
-LOCAL_INCLUDES += [
-    '!..',
-    '/dom/bindings',
-    '/js/xpconnect/src',
-    '/js/xpconnect/wrappers',
-]
-
-if CONFIG['GNU_CXX']:
-    CXXFLAGS += ['-Wno-error=shadow']
diff --git a/dom/bindings/test/test_ByteString.html b/dom/bindings/test/test_ByteString.html
deleted file mode 100644
index c7e632117..000000000
--- a/dom/bindings/test/test_ByteString.html
+++ /dev/null
@@ -1,32 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=796850
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for ByteString support</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=796850">Mozilla Bug 796850</a>
-<p id="display"></p>
-<pre id="test">
-<script type="application/javascript">
-
-  /** Test for Bug 796850 **/
-  var xhr = new XMLHttpRequest();
-  caught = false;
-  try {
-    xhr.open("\u5427", "about:mozilla", true);
-  }
-  catch (TypeError) {
-    caught = true;
-  }
-  ok(caught, "Character values > 255 not rejected for ByteString");
-
-</script>
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_InstanceOf.html b/dom/bindings/test/test_InstanceOf.html
deleted file mode 100644
index 514ec1b2a..000000000
--- a/dom/bindings/test/test_InstanceOf.html
+++ /dev/null
@@ -1,54 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=748983
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 748983</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=748983">Mozilla Bug 748983</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 748983 **/
-
-SimpleTest.waitForExplicitFinish();
-
-function runTest()
-{
-    ok(document instanceof EventTarget, "document is an event target")
-    ok(new XMLHttpRequest() instanceof XMLHttpRequest, "instanceof should work on XHR");
-    ok(HTMLElement.prototype instanceof Node, "instanceof needs to walk the prototype chain")
-
-    var otherWin = document.getElementById("testFrame").contentWindow;
-
-    ok(otherWin.HTMLElement.prototype instanceof otherWin.Node, "Same-origin instanceof of a interface prototype object should work, even if called cross-origin");
-    ok(!(otherWin.HTMLElement.prototype instanceof Node), "Cross-origin instanceof of a interface prototype object shouldn't work");
-
-    // We need to reset HTMLElement.prototype.__proto__ to the original value
-    // before using anything from the harness, otherwise the harness code breaks
-    // in weird ways.
-    HTMLElement.prototype.__proto__ = otherWin.Element.prototype;
-    var [ shouldSucceed, shouldFail ] = otherWin.runTest();
-    shouldSucceed = shouldSucceed && HTMLElement.prototype instanceof otherWin.Element;
-    shouldFail = shouldFail && HTMLElement.prototype instanceof Element;
-    HTMLElement.prototype.__proto__ = Element.prototype;
-
-    ok(shouldSucceed, "If an interface prototype object is on the protochain then instanceof with the interface object should succeed");
-    ok(!shouldFail, "If an interface prototype object is not on the protochain then instanceof with the interface object should succeed");
-
-    SimpleTest.finish();
-}
-
-</script>
-</pre>
-<iframe id="testFrame" src="file_InstanceOf.html" onload="runTest()"></iframe>
-</body>
-</html>
diff --git a/dom/bindings/test/test_Object.prototype_props.html b/dom/bindings/test/test_Object.prototype_props.html
deleted file mode 100644
index 3ab27c5e4..000000000
--- a/dom/bindings/test/test_Object.prototype_props.html
+++ /dev/null
@@ -1,20 +0,0 @@
-<!DOCTYPE html>
-<meta charset=utf-8>
-<title>Test for bug 987110</title>
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<div id="log"></div>
-<script>
-test(function() {
-  var props = Object.getOwnPropertyNames(Object.prototype);
-  // If you change this list, make sure it continues to match the list in
-  // Codegen.py's CGDictionary.getMemberDefinition method.
-  var expected = [
-      "constructor", "toSource", "toString", "toLocaleString", "valueOf",
-      "hasOwnProperty", "isPrototypeOf", "propertyIsEnumerable",
-      "__defineGetter__", "__defineSetter__", "__lookupGetter__",
-      "__lookupSetter__", "__proto__"
-    ];
-  assert_array_equals(props.sort(), expected.sort());
-}, "Own properties of Object.prototype");
-</script>
diff --git a/dom/bindings/test/test_async_stacks.html b/dom/bindings/test/test_async_stacks.html
deleted file mode 100644
index 8b655a14d..000000000
--- a/dom/bindings/test/test_async_stacks.html
+++ /dev/null
@@ -1,108 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1148593
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 1148593</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 1148593 **/
-
-  SimpleTest.waitForExplicitFinish();
-
-  var TESTS;
-
-  function nextTest() {
-    var t = TESTS.pop();
-    if (t) {
-      t();
-    } else {
-      SimpleTest.finish();
-    }
-  }
-
-  function checkStack(functionName) {
-    try {
-      noSuchFunction();
-    } catch (e) {
-      ok(e.stack.indexOf(functionName) >= 0, "stack includes " + functionName);
-    }
-    nextTest();
-  }
-
-  function eventListener() {
-    checkStack("registerEventListener");
-  }
-  function registerEventListener(link) {
-    link.onload = eventListener;
-  }
-  function eventTest() {
-    var link = document.createElement("link");
-    link.rel = "stylesheet";
-    link.href = "data:text/css,";
-    registerEventListener(link);
-    document.body.appendChild(link);
-  }
-
-  function xhrListener() {
-    checkStack("xhrTest");
-  }
-  function xhrTest() {
-    var ourFile = location.href;
-    var x = new XMLHttpRequest();
-    x.onload = xhrListener;
-    x.open("get", ourFile, true);
-    x.send();
-  }
-
-  function rafListener() {
-    checkStack("rafTest");
-  }
-  function rafTest() {
-    requestAnimationFrame(rafListener);
-  }
-
-  var intervalId;
-  function intervalHandler() {
-    clearInterval(intervalId);
-    checkStack("intervalTest");
-  }
-  function intervalTest() {
-    intervalId = setInterval(intervalHandler, 5);
-  }
-
-  function postMessageHandler(ev) {
-    ev.stopPropagation();
-    checkStack("postMessageTest");
-  }
-  function postMessageTest() {
-    window.addEventListener("message", postMessageHandler, true);
-    window.postMessage("whatever", "*");
-  }
-
-  function runTests() {
-    TESTS = [postMessageTest, intervalTest, rafTest, xhrTest, eventTest];
-    nextTest();
-  }
-
-  addLoadEvent(function() {
-    SpecialPowers.pushPrefEnv(
-      {"set": [['javascript.options.asyncstack', true]]},
-      runTests);
-  });
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1148593">Mozilla Bug 1148593</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_barewordGetsWindow.html b/dom/bindings/test/test_barewordGetsWindow.html
deleted file mode 100644
index e098eea53..000000000
--- a/dom/bindings/test/test_barewordGetsWindow.html
+++ /dev/null
@@ -1,60 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=936056
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 936056</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 936056 **/
-  SimpleTest.waitForExplicitFinish();
-  window.onload = function() {
-    var desc = Object.getOwnPropertyDescriptor(frames[0], "document");
-    if (!desc || !desc.get) {
-      todo(false, "This test does nothing so far, but will once Window is on WebIDL bindings");
-      SimpleTest.finish();
-      return;
-    }
-    get = desc.get;
-    ok(get, "Couldn't find document getter");
-    Object.defineProperty(frames[0], "foo", { get: get, configurable: true });
-
-    var barewordFunc = frames[0].eval("(function (count) { var doc; for (var i = 0; i < count; ++i) doc = foo; return doc.documentElement; })");
-    var qualifiedFunc = frames[0].eval("(function (count) { var doc; for (var i = 0; i < count; ++i) doc = window.document; return doc.documentElement; })");
-    document.querySelector("iframe").onload = function () {
-      // interp
-      is(barewordFunc(1).textContent, "OLD", "Bareword should see own inner 1");
-      is(qualifiedFunc(1).textContent, "NEW",
-         "Qualified should see current inner 1");
-      // baseline
-      is(barewordFunc(100).textContent, "OLD", "Bareword should see own inner 2");
-      is(qualifiedFunc(100).textContent, "NEW",
-         "Qualified should see current inner 2");
-      // ion
-      is(barewordFunc(10000).textContent, "OLD", "Bareword should see own inner 3");
-      is(qualifiedFunc(10000).textContent, "NEW",
-         "Qualified should see current inner 2");
-      SimpleTest.finish();
-    }
-    frames[0].location = "data:text/plain,NEW";
-  }
-
-
-
-
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=936056">Mozilla Bug 936056</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-<iframe src="data:text/plain,OLD"></iframe>
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_blacklisted_prerendering_function.xul b/dom/bindings/test/test_blacklisted_prerendering_function.xul
deleted file mode 100644
index 02a76d88d..000000000
--- a/dom/bindings/test/test_blacklisted_prerendering_function.xul
+++ /dev/null
@@ -1,124 +0,0 @@
-<?xml version="1.0"?>
-<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
-<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?>
-<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
-        xmlns:html="http://www.w3.org/1999/xhtml"
-        onload="runTest();">
-  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
-  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
-
-<script class="testbody" type="application/javascript">
-<![CDATA[
-
-  SimpleTest.waitForExplicitFinish();
-
-  function Listener(aBrowser, aPrerendered, aCallback) {
-    this.init(aBrowser, aPrerendered, aCallback);
-  }
-
-  Listener.prototype = {
-    init: function(aBrowser, aPrerendered, aCallback) {
-      this.mBrowser = aBrowser;
-      this.mPrerendered = aPrerendered;
-      this.mCallback = aCallback;
-    },
-    QueryInterface: function(aIID) {
-      if (aIID.equals(Components.interfaces.nsIWebProgressListener) ||
-          aIID.equals(Components.interfaces.nsISupportsWeakReference) ||
-          aIID.equals(Components.interfaces.nsISupports))
-        return this;
-      throw Components.results.NS_NOINTERFACE;
-    },
-    onStateChange : function(aWebProgress, aRequest, aStateFlags, aStatus) {
-      if ((aStateFlags & Components.interfaces.nsIWebProgressListener.STATE_STOP) &&
-          (aStateFlags & Components.interfaces.nsIWebProgressListener.STATE_IS_DOCUMENT)) {
-        var doc = this.mBrowser.contentDocument;
-        var stage = doc.getElementById("stage");
-        if (this.mPrerendered) {
-          is(stage.textContent, "before", "The blacklisted call should properly be intercepted in prerendering mode");
-        } else {
-          // In normal mode, we may or may not have run the timeout and/or the interval.
-          switch (stage.textContent) {
-          case "after":
-          case "in timeout":
-          case "in interval":
-            ok(true, "The blacklisted call should work fine in normal mode");
-            break;
-          default:
-            ok(false, "The blacklisted call should work fine in normal mode");
-            break;
-          }
-        }
-        progress.removeProgressListener(progressListener);
-
-        // Set three timeouts to see if the interval triggered
-        var self = this;
-        function checkInterval() {
-          var expected = self.mPrerendered ? "before" : "in interval";
-          var desc = self.mPrerendered ? "No timer should be running" : "Timers should run as normal";
-          is(stage.textContent, expected, desc);
-          // Now, dispatch a key event to the window and see if the keydown handler runs
-          synthesizeKey("a", {}, self.mBrowser.contentWindow);
-          expected = self.mPrerendered ? "before" : "keydown";
-          desc = self.mPrerendered ? "No event handler should be running" : "Event handlers should run as normal";
-          is(stage.textContent, expected, desc);
-          self.mCallback();
-        }
-        setTimeout(function() {
-          setTimeout(function() {
-            setTimeout(function() {
-              checkInterval();
-            }, 0);
-          }, 0);
-        }, 0);
-      }
-    },
-    onProgressChange : function(aWebProgress, aRequest,
-                                aCurSelfProgress, aMaxSelfProgress,
-                                aCurTotalProgress, aMaxTotalProgress) {},
-    onLocationChange : function(aWebProgress, aRequest, aLocation, aFlags) {},
-    onStatusChange : function(aWebProgress, aRequest, aStatus, aMessage) {},
-    onSecurityChange : function(aWebProgress, aRequest, aState) {},
-    mBrowser: null,
-    mPrerendered: false,
-    mCallback: null
-  };
-
-  var progress, progressListener;
-
-  function runTest() {
-    testStep(false, "file_focuser.html", function() {
-      testStep(true, "file_focuser.html", function() {
-        testStep(false, "file_fullScreenPropertyAccessor.html", function() {
-          testStep(true, "file_fullScreenPropertyAccessor.html", function() {
-            SimpleTest.finish();
-          });
-        });
-      });
-    });
-  }
-
-  function testStep(aPrerendered, aFileName, aCallback) {
-    var browser = document.getElementById(aPrerendered ? "prerendered" : "normal");;
-    progressListener = new Listener(browser, aPrerendered, aCallback);
-    var docShell = browser.docShell;
-    progress = docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-                       .getInterface(Components.interfaces.nsIWebProgress);
-    progress.addProgressListener(progressListener,
-                                 Components.interfaces.nsIWebProgress.NOTIFY_ALL);
-    browser.loadURI("chrome://mochitests/content/chrome/dom/bindings/test/" + aFileName);
-  }
-
-]]>
-</script>
-
-<body  id="html_body" xmlns="http://www.w3.org/1999/xhtml">
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1069719">Mozilla Bug 1069719</a>
-<p id="display"></p>
-
-<pre id="test">
-</pre>
-</body>
-<browser prerendered="true" id="prerendered"/>
-<browser id="normal"/>
-</window>
diff --git a/dom/bindings/test/test_bug1036214.html b/dom/bindings/test/test_bug1036214.html
deleted file mode 100644
index dd98eb482..000000000
--- a/dom/bindings/test/test_bug1036214.html
+++ /dev/null
@@ -1,123 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1036214
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 1036214</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for subsumes-checking |any| and |object| for js-implemented WebIDL. **/
-  SimpleTest.waitForExplicitFinish();
-  var xoObjects = [];
-  function setup() {
-    xoObjects.push(window[0]);
-    xoObjects.push(window[0].location);
-    xoObjects.push(SpecialPowers.unwrap(SpecialPowers.wrap(window[0]).document));
-    xoObjects.push(SpecialPowers);
-    xoObjects.push(SpecialPowers.wrap);
-    SpecialPowers.pushPrefEnv({set: [['dom.expose_test_interfaces', true]]}, go);
-  }
-
-  function checkThrows(f, msg) {
-    try {
-      f();
-      ok(false, "Should have thrown: " + msg);
-    } catch (e) {
-      ok(true, "Threw correctly: " + msg);
-      ok(/denied|insecure/.test(e), "Threw security exception: " + e);
-    }
-  }
-
-  function go() {
-
-    //
-    // Test the basics of the test interface.
-    //
-
-    var any = { a: 11 };
-    var obj = { b: 22, c: "str" };
-    var obj2 = { foo: "baz" };
-    var myDict = { anyMember: 42, objectMember: { answer: 42 }, objectOrStringMember: { answer: "anobject" },
-                   anySequenceMember: [{}, 1, "thirdinsequence"],
-                   innerDictionary: { innerObject: { answer: "rabbithole" } } };
-    var t = new TestInterfaceJS(any, obj, myDict);
-    is(Object.getPrototypeOf(t), TestInterfaceJS.prototype, "Prototype setup works correctly");
-    is(t.anyArg, any, "anyArg is correct");
-    is(t.objectArg, obj, "objectArg is correct");
-    is(t.dictionaryArg.anyMember, 42, "dictionaryArg looks correct");
-    is(t.dictionaryArg.objectMember.answer, 42, "dictionaryArg looks correct");
-    t.anyAttr = 2;
-    is(t.anyAttr, 2, "ping-pong any attribute works");
-    t.objAttr = obj2;
-    is(t.objAttr, obj2, "ping-pong object attribute works");
-    t.dictionaryAttr = myDict;
-    is(t.dictionaryAttr.anyMember, 42, "ping-pong dictionary attribute works");
-    is(t.dictionaryAttr.objectMember.answer, 42, "ping-pong dictionary attribute works");
-
-    is(any, t.pingPongAny(any), "ping-pong works with any");
-    is(obj, t.pingPongObject(obj), "ping-pong works with obj");
-    is(obj, t.pingPongObjectOrString(obj), "ping-pong works with obj or string");
-    is("foo", t.pingPongObjectOrString("foo"), "ping-pong works with obj or string");
-    is(t.pingPongDictionary(myDict).anyMember, 42, "ping pong works with dict");
-    is(t.pingPongDictionary(myDict).objectMember.answer, 42, "ping pong works with dict");
-    is(t.pingPongDictionary(myDict).objectOrStringMember.answer, "anobject", "ping pong works with dict");
-    is(t.pingPongDictionary(myDict).anySequenceMember[2], "thirdinsequence", "ping pong works with dict");
-    is(t.pingPongDictionary(myDict).innerDictionary.innerObject.answer, "rabbithole", "ping pong works with layered dicts");
-    is(t.pingPongDictionaryOrLong({anyMember: 42}), 42, "ping pong (dict or long) works with dict");
-    is(t.pingPongDictionaryOrLong(42), 42, "ping pong (dict or long) works with long");
-    ok(/canary/.test(t.pingPongMap({ someVal: 42, someOtherVal: "canary" })), "ping pong works with mozmap");
-    is(t.objectSequenceLength([{}, {}, {}]), 3, "ping pong works with object sequence");
-    is(t.anySequenceLength([42, 'string', {}, undefined]), 4, "ping pong works with any sequence");
-
-    //
-    // Test that we throw in the cross-origin cases.
-    //
-
-    xoObjects.forEach(function(xoObj) {
-      var blank = new TestInterfaceJS();
-      checkThrows(() => new TestInterfaceJS(xoObj, undefined), "any param for constructor");
-      checkThrows(() => new TestInterfaceJS(undefined, xoObj), "obj param for constructor");
-      checkThrows(() => new TestInterfaceJS(undefined, undefined, { anyMember: xoObj }), "any dict param for constructor");
-      checkThrows(() => new TestInterfaceJS(undefined, undefined, { objectMember: xoObj }), "object dict param for constructor");
-      checkThrows(() => new TestInterfaceJS(undefined, undefined, { objectOrStringMember: xoObj }), "union dict param for constructor");
-      checkThrows(() => new TestInterfaceJS(undefined, undefined, { anySequenceMember: [0, xoObj, 'hi' ] }), "sequence dict param for constructor");
-      checkThrows(() => new TestInterfaceJS(undefined, undefined, { innerDictionary: { innerObject: xoObj } }), "inner dict param for constructor");
-      checkThrows(() => t.anyAttr = xoObj, "anyAttr");
-      checkThrows(() => t.objectAttr = xoObj, "objAttr");
-      checkThrows(() => t.dictionaryAttr = { anyMember: xoObj }, "dictionaryAttr any");
-      checkThrows(() => t.dictionaryAttr = { objectMember: xoObj }, "dictionaryAttr object");
-      checkThrows(() => t.pingPongAny(xoObj), "pingpong any");
-      checkThrows(() => t.pingPongObject(xoObj), "pingpong obj");
-      checkThrows(() => t.pingPongObjectOrString(xoObj), "pingpong union");
-      checkThrows(() => t.pingPongDictionary({ anyMember: xoObj }), "dictionary pingpong any");
-      checkThrows(() => t.pingPongDictionary({ objectMember: xoObj }), "dictionary pingpong object");
-      checkThrows(() => t.pingPongDictionary({ anyMember: xoObj, objectMember: xoObj }), "dictionary pingpong both");
-      checkThrows(() => t.pingPongDictionary({ objectOrStringMember: xoObj }), "dictionary pingpong objectorstring");
-      checkThrows(() => t.pingPongDictionaryOrLong({ objectMember: xoObj }), "unionable dictionary");
-      checkThrows(() => t.pingPongDictionaryOrLong({ anyMember: xoObj }), "unionable dictionary");
-      checkThrows(() => t.pingPongMap({ someMember: 42, someOtherMember: {}, crossOriginMember: xoObj }), "mozmap");
-      checkThrows(() => t.objectSequenceLength([{}, {}, xoObj, {}]), "object sequence");
-      checkThrows(() => t.anySequenceLength([42, 'someString', xoObj, {}]), "any sequence");
-    });
-
-
-    SimpleTest.finish();
-  }
-
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1036214">Mozilla Bug 1036214</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-<iframe id="ifr" onload="setup();" src="http://example.org/tests/js/xpconnect/tests/mochitest/file_empty.html"></iframe>
-</body>
-</html>
diff --git a/dom/bindings/test/test_bug1041646.html b/dom/bindings/test/test_bug1041646.html
deleted file mode 100644
index 22baed454..000000000
--- a/dom/bindings/test/test_bug1041646.html
+++ /dev/null
@@ -1,49 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1041646
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 1041646</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 1041646 **/
-  // We need to reject the promise with a DOMException, so make sure we have
-  // something that produces one.
-  function throwException() {
-    document.createTextNode("").appendChild(document);
-  }
-  try {
-    throwException();
-  } catch (e) {
-    ok(e instanceof DOMException, "This test won't test what it should be testing");
-  }
-
-  SimpleTest.waitForExplicitFinish();
-
-  // We want a new DOMException each time here.
-  for (var i = 0; i < 100; ++i) {
-    new Promise(throwException);
-  }
-
-  // Now make sure we wait for all those promises above to reject themselves
-  Promise.resolve(1).then(function() {
-    SpecialPowers.gc(); // This should not assert or crash
-    SimpleTest.finish();
-  });
-
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1041646">Mozilla Bug 1041646</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_bug1123516_maplikesetlike.html b/dom/bindings/test/test_bug1123516_maplikesetlike.html
deleted file mode 100644
index 18ede38ac..000000000
--- a/dom/bindings/test/test_bug1123516_maplikesetlike.html
+++ /dev/null
@@ -1,271 +0,0 @@
-<!-- Any copyright is dedicated to the Public Domain.
-- http://creativecommons.org/publicdomain/zero/1.0/ -->
-<!DOCTYPE HTML>
-<html>
-    <head>
-        <title>Test Maplike Interface</title>
-        <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-        <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
-    </head>
-    <body>
-        <script class="testbody" type="application/javascript">
-         SimpleTest.waitForExplicitFinish();
-         SpecialPowers.pushPrefEnv({set: [['dom.expose_test_interfaces', true]]}, function() {
-
-             base_properties = [["has", "function", 1],
-                                ["entries", "function", 0],
-                                ["keys", "function", 0],
-                                ["values", "function", 0],
-                                ["forEach", "function", 1],
-                                ["size", "number"]];
-             maplike_properties = base_properties.concat([["set", "function", 2]]);
-             setlike_properties = base_properties;
-             rw_properties = [["clear", "function", 0],
-                              ["delete", "function", 1]];
-             setlike_rw_properties = base_properties.concat(rw_properties).concat([["add", "function", 1]]);
-             maplike_rw_properties = maplike_properties.concat(rw_properties).concat([["get", "function",1]]);
-             var testExistence = function testExistence(prefix, obj, properties) {
-                 for (var [name, type, args] of properties) {
-                     // Properties are somewhere up the proto chain, hasOwnProperty won't work
-                     isnot(obj[name], undefined,
-                        `${prefix} object has property ${name}`);
-
-                     is(typeof obj[name], type,
-                        `${prefix} object property ${name} is a ${type}`);
-                     // Check function length
-                     if (type == "function") {
-                         is(obj[name].length, args,
-                            `${prefix} object property ${name} is length ${args}`);
-                         is(obj[name].name, name,
-                            `${prefix} object method name is ${name}`);
-                     }
-
-                     // Find where property is on proto chain, check for enumerablility there.
-                     var owner = obj;
-                     while (owner) {
-                         var propDesc = Object.getOwnPropertyDescriptor(owner, name);
-                         if (propDesc) {
-                             ok(!propDesc.enumerable,
-                                `${prefix} object property ${name} is not enumerable`);
-                             break;
-                         }
-                         owner = Object.getPrototypeOf(owner);
-                     }
-                 }
-             }
-
-             var m;
-             var testSet;
-             var testIndex;
-             // Simple map creation and functionality test
-             info("SimpleMap: Testing simple map creation and functionality");
-             m = new TestInterfaceMaplike();
-             ok(m, "SimpleMap: got a TestInterfaceMaplike object");
-             testExistence("SimpleMap: ", m, maplike_rw_properties);
-             is(m.size, 0, "SimpleMap: size should be zero");
-             ok(!m.has("test"), "SimpleMap: maplike has should return false");
-             is(m.get("test"), undefined, "SimpleMap: maplike get should return undefined on bogus lookup");
-             m1 = m.set("test", 1);
-             is(m, m1, "SimpleMap: return from set should be map object");
-             is(m.size, 1, "SimpleMap: size should be 1");
-             ok(m.has("test"), "SimpleMap: maplike has should return true");
-             is(m.get("test"), 1, "SimpleMap: maplike get should return value entered");
-             m2 = m.set("test2", 2);
-             is(m.size, 2, "SimpleMap: size should be 2");
-             testSet = [["test", 1], ["test2", 2]];
-             testIndex = 0;
-             m.forEach(function(v, k, o) {
-                 "use strict";
-                 is(o, m, "SimpleMap: foreach obj is correct");
-                 is(k, testSet[testIndex][0], "SimpleMap: foreach map key: " + k + " = " + testSet[testIndex][0]);
-                 is(v, testSet[testIndex][1], "SimpleMap: foreach map value: " + v + " = " + testSet[testIndex][1]);
-                 testIndex += 1;
-             });
-             is(testIndex, 2, "SimpleMap: foreach ran correct number of times");
-             ok(m.has("test2"), "SimpleMap: maplike has should return true");
-             is(m.get("test2"), 2, "SimpleMap: maplike get should return value entered");
-             is(m.delete("test2"), true, "SimpleMap: maplike deletion should return boolean");
-             is(m.size, 1, "SimpleMap: size should be 1");
-             iterable = false;
-             for (var e of m) {
-                 iterable = true;
-                 is(e[0], "test", "SimpleMap: iterable first array element should be key");
-                 is(e[1], 1, "SimpleMap: iterable second array element should be value");
-             }
-             is(m[Symbol.iterator].length, 0, "SimpleMap: @@iterator symbol is correct length");
-             is(m[Symbol.iterator].name, "entries", "SimpleMap: @@iterator symbol has correct name");
-             is(m[Symbol.iterator], m.entries, 'SimpleMap: @@iterator is an alias for "entries"');
-             ok(iterable, "SimpleMap: @@iterator symbol resolved correctly");
-             for (var k of m.keys()) {
-                 is(k, "test", "SimpleMap: first keys element should be 'test'");
-             }
-             for (var v of m.values()) {
-                 is(v, 1, "SimpleMap: first values elements should be 1");
-             }
-             for (var e of m.entries()) {
-                 is(e[0], "test", "SimpleMap: entries first array element should be 'test'");
-                 is(e[1], 1, "SimpleMap: entries second array element should be 1");
-             }
-             m.clear();
-             is(m.size, 0, "SimpleMap: size should be 0 after clear");
-
-             // Simple set creation and functionality test
-             info("SimpleSet: Testing simple set creation and functionality");
-             m = new TestInterfaceSetlike();
-             ok(m, "SimpleSet: got a TestInterfaceSetlike object");
-             testExistence("SimpleSet: ", m, setlike_rw_properties);
-             is(m.size, 0, "SimpleSet: size should be zero");
-             ok(!m.has("test"), "SimpleSet: maplike has should return false");
-             m1 = m.add("test");
-             is(m, m1, "SimpleSet: return from set should be map object");
-             is(m.size, 1, "SimpleSet: size should be 1");
-             ok(m.has("test"), "SimpleSet: maplike has should return true");
-             m2 = m.add("test2");
-             is(m.size, 2, "SimpleSet: size should be 2");
-             testSet = ["test", "test2"];
-             testIndex = 0;
-             m.forEach(function(v, k, o) {
-                 "use strict";
-                 is(o, m, "SimpleSet: foreach obj is correct");
-                 is(k, testSet[testIndex], "SimpleSet: foreach set key: " + k + " = " + testSet[testIndex]);
-                 testIndex += 1;
-             });
-             is(testIndex, 2, "SimpleSet: foreach ran correct number of times");
-             ok(m.has("test2"), "SimpleSet: maplike has should return true");
-             is(m.delete("test2"), true, "SimpleSet: maplike deletion should return true");
-             is(m.size, 1, "SimpleSet: size should be 1");
-             iterable = false;
-             for (var e of m) {
-                 iterable = true;
-                 is(e, "test", "SimpleSet: iterable first array element should be key");
-             }
-             is(m[Symbol.iterator].length, 0, "SimpleSet: @@iterator symbol is correct length");
-             is(m[Symbol.iterator].name, "values", "SimpleSet: @@iterator symbol has correct name");
-             is(m[Symbol.iterator], m.values, 'SimpleSet: @@iterator is an alias for "values"');
-             ok(iterable, "SimpleSet: @@iterator symbol resolved correctly");
-             for (var k of m.keys()) {
-                 is(k, "test", "SimpleSet: first keys element should be 'test'");
-             }
-             for (var v of m.values()) {
-                 is(v, "test", "SimpleSet: first values elements should be 'test'");
-             }
-             for (var e of m.entries()) {
-                 is(e[0], "test", "SimpleSet: Entries first array element should be 'test'");
-                 is(e[1], "test", "SimpleSet: Entries second array element should be 'test'");
-             }
-             m.clear();
-             is(m.size, 0, "SimpleSet: size should be 0 after clear");
-
-             // Map convenience function test
-             info("Testing map convenience functions");
-             m = new TestInterfaceMaplike();
-             ok(m, "MapConvenience: got a TestInterfaceMaplike object");
-             is(m.size, 0, "MapConvenience: size should be zero");
-             ok(!m.hasInternal("test"), "MapConvenience: maplike hasInternal should return false");
-             m.setInternal("test", 1);
-             is(m.size, 1, "MapConvenience: size should be 1");
-             ok(m.hasInternal("test"), "MapConvenience: maplike hasInternal should return true");
-             is(m.get("test"), 1, "MapConvenience: maplike get should return value entered");
-             m2 = m.setInternal("test2", 2);
-             is(m.size, 2, "size should be 2");
-             ok(m.hasInternal("test2"), "MapConvenience: maplike hasInternal should return true");
-             is(m.get("test2"), 2, "MapConvenience: maplike get should return value entered");
-             is(m.deleteInternal("test2"), true, "MapConvenience: maplike deleteInternal should return true");
-             is(m.size, 1, "MapConvenience: size should be 1");
-             m.clearInternal();
-             is(m.size, 0, "MapConvenience: size should be 0 after clearInternal");
-
-             // Map convenience function test using objects and readonly
-
-             info("Testing Map convenience function test using objects and readonly");
-             m = new TestInterfaceMaplikeObject();
-             ok(m, "ReadOnlyMapConvenience: got a TestInterfaceMaplikeObject object");
-             is(m.size, 0, "ReadOnlyMapConvenience: size should be zero");
-             is(m["set"], undefined, "ReadOnlyMapConvenience: readonly map, should be no set function");
-             is(m["clear"], undefined, "ReadOnlyMapConvenience: readonly map, should be no clear function");
-             is(m["delete"], undefined, "ReadOnlyMapConvenience: readonly map, should be no delete function");
-             ok(!m.hasInternal("test"), "ReadOnlyMapConvenience: maplike hasInternal should return false");
-             m.setInternal("test");
-             is(m.size, 1, "size should be 1");
-             ok(m.hasInternal("test"), "ReadOnlyMapConvenience: maplike hasInternal should return true");
-             m2 = m.setInternal("test2");
-             is(m.size, 2, "size should be 2");
-             ok(m.hasInternal("test2"), "ReadOnlyMapConvenience: maplike hasInternal should return true");
-             is(m.deleteInternal("test2"), true, "ReadOnlyMapConvenience: maplike deleteInternal should return true");
-             is(m.size, 1, "ReadOnlyMapConvenience: size should be 1");
-             m.clearInternal();
-             is(m.size, 0, "ReadOnlyMapConvenience: size should be 0 after clearInternal");
-
-             // JS implemented map creation convenience function test
-
-             info("JSMapConvenience: Testing JS implemented map creation convenience functions");
-             m = new TestInterfaceJSMaplike();
-             ok(m, "JSMapConvenience: got a TestInterfaceJSMaplike object");
-             is(m.size, 0, "JSMapConvenience: size should be zero");
-             ok(!m.has("test"), "JSMapConvenience: maplike has should return false");
-             m.setInternal("test", 1);
-             is(m.size, 1, "JSMapConvenience: size should be 1");
-             ok(m.has("test"), "JSMapConvenience: maplike has should return true");
-             is(m.get("test"), 1, "JSMapConvenience: maplike get should return value entered");
-             m2 = m.setInternal("test2", 2);
-             is(m.size, 2, "JSMapConvenience: size should be 2");
-             ok(m.has("test2"), "JSMapConvenience: maplike has should return true");
-             is(m.get("test2"), 2, "JSMapConvenience: maplike get should return value entered");
-             is(m.deleteInternal("test2"), true, "JSMapConvenience: maplike deleteInternal should return true");
-             is(m.size, 1, "JSMapConvenience: size should be 1");
-             for (var k of m.keys()) {
-                 is(k, "test", "JSMapConvenience: first keys element should be 'test'");
-             }
-             for (var v of m.values()) {
-                 is(v, 1, "JSMapConvenience: first values elements should be 1");
-             }
-             for (var e of m.entries()) {
-                 is(e[0], "test", "JSMapConvenience: entries first array element should be 'test'");
-                 is(e[1], 1, "JSMapConvenience: entries second array element should be 1");
-             }
-             m.clearInternal();
-             is(m.size, 0, "JSMapConvenience: size should be 0 after clearInternal");
-
-             // Test this override for forEach
-             info("ForEachThisOverride: Testing this override for forEach");
-             m = new TestInterfaceMaplike();
-             m.set("test", 1);
-             m.forEach(function(v, k, o) {
-                 "use strict";
-                 is(o, m, "ForEachThisOverride: foreach obj is correct");
-                 is(this, 5, "ForEachThisOverride: 'this' value should be correct");
-             }, 5);
-
-             // Test defaulting arguments on maplike to undefined
-             info("MapArgsDefault: Testing maplike defaulting arguments to undefined");
-             m = new TestInterfaceMaplike();
-             m.set();
-             is(m.size, 1, "MapArgsDefault: should have 1 entry");
-             m.forEach(function(v, k) {
-                 "use strict";
-                 is(typeof k, "string", "MapArgsDefault: key is a string");
-                 is(k, "undefined", "MapArgsDefault: key is the string undefined");
-                 is(v, 0, "MapArgsDefault: value is 0");
-             });
-             is(m.get(), 0, "MapArgsDefault: no argument to get() returns correct value");
-             m.delete();
-             is(m.size, 0, "MapArgsDefault: should have 0 entries");
-
-             // Test defaulting arguments on setlike to undefined
-             info("SetArgsDefault: Testing setlike defaulting arguments to undefined");
-             m = new TestInterfaceSetlike();
-             m.add();
-             is(m.size, 1, "SetArgsDefault: should have 1 entry");
-             m.forEach(function(v, k) {
-                 "use strict";
-                 is(typeof k, "string", "SetArgsDefault: key is a string");
-                 is(k, "undefined", "SetArgsDefault: key is the string undefined");
-             });
-             m.delete();
-             is(m.size, 0, "SetArgsDefault: should have 0 entries");
-
-             SimpleTest.finish();
-         });
-        </script>
-    </body>
-</html>
diff --git a/dom/bindings/test/test_bug1123516_maplikesetlikechrome.xul b/dom/bindings/test/test_bug1123516_maplikesetlikechrome.xul
deleted file mode 100644
index 4bc45cddd..000000000
--- a/dom/bindings/test/test_bug1123516_maplikesetlikechrome.xul
+++ /dev/null
@@ -1,68 +0,0 @@
-<?xml version="1.0"?>
-<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
-<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1123516
--->
-<window title="Mozilla Bug 1123516"
-        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
-  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
-  <iframe id="t"></iframe>
-
-  <!-- test results are displayed in the html:body -->
-  <body xmlns="http://www.w3.org/1999/xhtml">
-    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1123516"
-       target="_blank">Mozilla Bug 1123516</a>
-  </body>
-
-  <!-- test code goes here -->
-  <script type="application/javascript">
-   <![CDATA[
-
-     /** Test for Bug 1123516 **/
-     const Cu = Components.utils;
-     function doTest() {
-       var win = $("t").contentWindow;
-       var sandbox = Components.utils.Sandbox(win, { sandboxPrototype: win });
-       is(sandbox._content, undefined, "_content does nothing over Xray");
-       // Test cross-compartment usage of maplike/setlike WebIDL structures.
-       SpecialPowers.pushPrefEnv({set: [['dom.expose_test_interfaces', true]]}, function() {
-         try {
-           var maplike = Components.utils.evalInSandbox("var m = new TestInterfaceMaplike(); m;", sandbox);
-           maplike.set("test2", 2);
-           is(maplike.get("test2"), 2, "Should be able to create and use maplike/setlike across compartments");
-           var test = Components.utils.evalInSandbox("m.get('test2');", sandbox);
-           is(test, 2, "Maplike/setlike should still work in original compartment");
-           is(maplike.size, 1, "Testing size retrieval across compartments");
-         } catch(e) {
-           ok(false, "Shouldn't throw when working with cross-compartment maplike/setlike interfaces " + e)
-         };
-         try {
-           var setlike = Components.utils.evalInSandbox("var m = new TestInterfaceSetlikeNode(); m.add(document.documentElement); m;", sandbox);
-           is(TestInterfaceSetlikeNode.prototype.has.call(setlike, win.document.documentElement), true,
-              "Cross-compartment unwrapping/comparison has works");
-           // TODO: Should throw until iterators are handled by Xrays, Bug 1023984
-           try {
-             var e = TestInterfaceSetlikeNode.prototype.keys.call(setlike);
-             ok(false, "Calling iterators via xrays should fail");
-           } catch(e) {
-             ok(true, "Calling iterators via xrays should fail");
-           }
-
-           setlike.forEach((v,k,t) => { is(v, win.document.documentElement, "Cross-compartment forEach works"); });
-           TestInterfaceSetlikeNode.prototype.forEach.call(setlike,
-                                                           (v,k,t) => { is(v, win.document.documentElement, "Cross-compartment forEach works"); });
-           is(TestInterfaceSetlikeNode.prototype.delete.call(setlike, win.document.documentElement), true,
-              "Cross-compartment unwrapping/comparison delete works");
-         } catch(e) {
-           ok(false, "Shouldn't throw when working with cross-compartment maplike/setlike interfaces " + e)
-         };
-         SimpleTest.finish();
-       });
-     }
-
-     SimpleTest.waitForExplicitFinish();
-     addLoadEvent(doTest);
-   ]]>
-  </script>
-</window>
diff --git a/dom/bindings/test/test_bug1123875.html b/dom/bindings/test/test_bug1123875.html
deleted file mode 100644
index 5658091c4..000000000
--- a/dom/bindings/test/test_bug1123875.html
+++ /dev/null
@@ -1,14 +0,0 @@
-<!doctype html>
-<meta charset=utf-8>
-<title>Test for Bug 1123875</title>
-<script src=/resources/testharness.js></script>
-<script src=/resources/testharnessreport.js></script>
-<div id=log></div>
-<script>
-  test(() => {
-    assert_throws(new TypeError, () => {
-      "use strict";
-      document.childNodes.length = 0;
-    });
-  }, "setting a readonly attribute on a proxy in strict mode should throw a TypeError");
-</script>
diff --git a/dom/bindings/test/test_bug1287912.html b/dom/bindings/test/test_bug1287912.html
deleted file mode 100644
index ae72b2316..000000000
--- a/dom/bindings/test/test_bug1287912.html
+++ /dev/null
@@ -1,37 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1287912
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 1287912</title>
-  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1287912">Mozilla Bug 1287912</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-<iframe id="t" src="http://example.org/tests/dom/bindings/test/"></iframe>
-</div>
-<pre id="test">
-<script type="application/javascript">
-function test()
-{
-  var win = document.getElementById("t").contentWindow;
-  is(Object.getPrototypeOf(win.Image), win.Function.prototype, "The __proto__ of a named constructor is Function.prototype");
-  is(win.Image.prototype, win.HTMLImageElement.prototype, "The prototype property of a named constructor is the interface prototype object");
-  is(win.HTMLImageElement['foo'], undefined, "Should not have a property named foo on the HTMLImageElement interface object");
-  is(win.Image['foo'], undefined, "Should not have a property named foo on the Image named constructor");
-
-  SimpleTest.finish();
-}
-
-SimpleTest.waitForExplicitFinish();
-addLoadEvent(test);
-
-</script>
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_bug560072.html b/dom/bindings/test/test_bug560072.html
deleted file mode 100644
index 0eebff116..000000000
--- a/dom/bindings/test/test_bug560072.html
+++ /dev/null
@@ -1,34 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=560072
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 560072</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=560072">Mozilla Bug 560072</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-  
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 560072 **/
-is(document.body,
-   Object.getOwnPropertyDescriptor(Document.prototype, "body").get.call(document),
-   "Should get body out of property descriptor");
-
-is(document.body,
-   Object.getOwnPropertyDescriptor(
-     Object.getPrototypeOf(Object.getPrototypeOf(document)), "body").get.call(document),
-   "Should get body out of property descriptor this way too");
-
-</script>
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_bug742191.html b/dom/bindings/test/test_bug742191.html
deleted file mode 100644
index b4b3151d7..000000000
--- a/dom/bindings/test/test_bug742191.html
+++ /dev/null
@@ -1,36 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=742191
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for invalid argument object</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=742191">Mozilla Bug 742191</a>
-<p id="display"></p>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 742191 **/
-function doTest() {
-  var gotTypeError = false;
-  var ctx = document.createElement("canvas").getContext("2d");
-  try {
-    ctx.drawImage({}, 0, 0);
-  } catch(e) {
-    if (e instanceof TypeError) {
-      gotTypeError = true;
-    }
-  }
-
-  ok(gotTypeError, "passing an invalid argument should cause a type error!");
-}
-doTest();
-</script>
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_bug759621.html b/dom/bindings/test/test_bug759621.html
deleted file mode 100644
index 602a0cd7c..000000000
--- a/dom/bindings/test/test_bug759621.html
+++ /dev/null
@@ -1,29 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=759621
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 759621</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=759621">Mozilla Bug 759621</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-  
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 759621 **/
-var l = document.getElementsByTagName("*");
-l.namedItem = "pass";
-is(l.namedItem, "pass", "Should be able to set expando shadowing a proto prop");
-
-</script>
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_bug773326.html b/dom/bindings/test/test_bug773326.html
deleted file mode 100644
index 2e3b1ea30..000000000
--- a/dom/bindings/test/test_bug773326.html
+++ /dev/null
@@ -1,11 +0,0 @@
-<!doctype html>
-<meta charset=utf-8>
-<title>Test for Bug 773326</title>
-<script src=/resources/testharness.js></script>
-<script src=/resources/testharnessreport.js></script>
-<div id=log></div>
-<script>
-test(function() {
-  new Worker("data:text/javascript,new XMLHttpRequest(42)");
-}, "Should not crash")
-</script>
diff --git a/dom/bindings/test/test_bug775543.html b/dom/bindings/test/test_bug775543.html
deleted file mode 100644
index d8df05f63..000000000
--- a/dom/bindings/test/test_bug775543.html
+++ /dev/null
@@ -1,37 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=775543
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 775543</title>
-  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=775543">Mozilla Bug 775543</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-<iframe id="t" src="http://example.org/tests/dom/bindings/test/file_bug775543.html" onload="test();"></iframe>  
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 775543 **/
-
-function test()
-{
-  var a = XPCNativeWrapper(document.getElementById("t").contentWindow.wrappedJSObject.worker);
-  isnot(XPCNativeWrapper.unwrap(a), a, "XPCNativeWrapper(Worker) should be an Xray wrapper");
-  a.toString();
-  ok(true, "Shouldn't crash when calling a method on an Xray wrapper around a worker");
-  SimpleTest.finish();
-}
-
-SimpleTest.waitForExplicitFinish();
-
-</script>
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_bug788369.html b/dom/bindings/test/test_bug788369.html
deleted file mode 100644
index 787bd28fe..000000000
--- a/dom/bindings/test/test_bug788369.html
+++ /dev/null
@@ -1,30 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=788369
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 788369</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=788369">Mozilla Bug 788369</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 788369 **/
-try {
-  var xhr = new(window.ActiveXObject || XMLHttpRequest)("Microsoft.XMLHTTP");
-  ok(xhr instanceof XMLHttpRequest, "Should have an XHR object");
-} catch (e) {
-  ok(false, "Should not throw exception when constructing: " + e);
-}
-</script>
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_bug852846.html b/dom/bindings/test/test_bug852846.html
deleted file mode 100644
index 0ca2c7dad..000000000
--- a/dom/bindings/test/test_bug852846.html
+++ /dev/null
@@ -1,34 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=852846
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 852846</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 852846 **/
-  var elem = document.createElement("div");
-  is(elem.style.color, "", "Shouldn't have color set on HTML element")
-  elem.style = "color: green";
-  is(elem.style.color, "green", "Should have color set on HTML element")
-
-  elem = document.createElementNS("http://www.w3.org/2000/svg", "svg");
-  is(elem.style.color, "", "Shouldn't have color set on SVG element")
-  elem.style = "color: green";
-  is(elem.style.color, "green", "Should have color set on SVG element")
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=852846">Mozilla Bug 852846</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_bug862092.html b/dom/bindings/test/test_bug862092.html
deleted file mode 100644
index 4b0633328..000000000
--- a/dom/bindings/test/test_bug862092.html
+++ /dev/null
@@ -1,37 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=862092
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 862092</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 862092 **/
-
-  SimpleTest.waitForExplicitFinish();
-  function runTest()
-  {
-    var frameDoc = document.getElementById("f").contentDocument;
-    var a = document.createElement("select");
-    a.expando = "test";
-    a = frameDoc.adoptNode(a)
-    is(a.expando, "test", "adoptNode needs to preserve expandos");
-    SimpleTest.finish();
-  }
-
-  </script>
-</head>
-<body onload="runTest();">
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=862092">Mozilla Bug 862092</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-<iframe id="f"></iframe>
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_bug963382.html b/dom/bindings/test/test_bug963382.html
deleted file mode 100644
index f48d2e8b0..000000000
--- a/dom/bindings/test/test_bug963382.html
+++ /dev/null
@@ -1,43 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=963382
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 963382</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for clearing cache attributes in JS-implemented WebIDL implementations. **/
-  SimpleTest.waitForExplicitFinish();
-  SpecialPowers.pushPrefEnv({set: [['dom.expose_test_interfaces', true]]}, go);
-
-  function go() {
-    var t = new TestInterfaceJS();
-
-    // Test [Cached] attribute clearing.
-    is(t.cachedAttr, 15, "Initial value of number");
-
-    t.setCachedAttr(3);
-    is(t.cachedAttr, 15, "Setting the number on the inner JS object should not affect cached value");
-
-    t.clearCachedAttrCache();
-    is(t.cachedAttr, 3, "Setting the number on the inner JS object should affect cached value after clearing the cache.");
-
-    SimpleTest.finish();
-  }
-
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=963382">Mozilla Bug 963382</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_callback_across_document_open.html b/dom/bindings/test/test_callback_across_document_open.html
deleted file mode 100644
index 2a505cefa..000000000
--- a/dom/bindings/test/test_callback_across_document_open.html
+++ /dev/null
@@ -1,21 +0,0 @@
-<!DOCTYPE html>
-<meta charset=utf-8>
-<title>Test for callback invocation for a callback that comes from a
-  no-longer-current window that still has an active document.</title>
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<div id="log"></div>
-<iframe srcdoc='<script>function f() { parent.callCount++; }</script>'></iframe>
-<script>
-  var callCount = 0;
-  var t = async_test("A test of callback invocation in a no-longer-current window with a still-active document");
-  window.addEventListener("load", t.step_func_done(function() {
-    var d = document.createElement("div");
-    d.addEventListener("xyz", frames[0].f);
-    frames[0].document.open();
-    frames[0].document.write("All gone");
-    frames[0].document.close();
-    d.dispatchEvent(new Event("xyz"));
-    assert_equals(callCount, 1, "Callback should have been called");
-  }));
-</script>
diff --git a/dom/bindings/test/test_callback_default_thisval.html b/dom/bindings/test/test_callback_default_thisval.html
deleted file mode 100644
index d98ed87b2..000000000
--- a/dom/bindings/test/test_callback_default_thisval.html
+++ /dev/null
@@ -1,36 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=957929
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 957929</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 957929 **/
-  SimpleTest.waitForExplicitFinish();
-
-  function f() {
-    "use strict";
-    is(this, undefined, "Should have undefined this value");
-    SimpleTest.finish();
-  }
-
-  addLoadEvent(function() {
-    requestAnimationFrame(f);
-  });
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=957929">Mozilla Bug 957929</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_callback_exceptions.html b/dom/bindings/test/test_callback_exceptions.html
deleted file mode 100644
index a40b0b94f..000000000
--- a/dom/bindings/test/test_callback_exceptions.html
+++ /dev/null
@@ -1,17 +0,0 @@
-<!DOCTYPE html>
-<meta charset=utf-8>
-<title>Test for ...</title>
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<div id="log"></div>
-<script>
-promise_test(function(t) {
-  var iterator = document.createNodeIterator(document, NodeFilter.SHOW_ALL, JSON.parse);
-  return promise_rejects(t, new SyntaxError,
-                         Promise.resolve().then(iterator.nextNode.bind(iterator)));
-}, "Trying to use JSON.parse as filter should throw a catchable SyntaxError exception even when the filter is invoked async");
-
-promise_test(function(t) {
-  return promise_rejects(t, new SyntaxError, Promise.resolve('{').then(JSON.parse));
-}, "Trying to use JSON.parse as a promise callback should allow the next promise to handle the resulting exception.");
-</script>
diff --git a/dom/bindings/test/test_cloneAndImportNode.html b/dom/bindings/test/test_cloneAndImportNode.html
deleted file mode 100644
index fc53c8747..000000000
--- a/dom/bindings/test/test_cloneAndImportNode.html
+++ /dev/null
@@ -1,48 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=882541
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 882541</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 882541 **/
-  var div = document.createElement("div");
-  div.appendChild(document.createElement("span"));
-
-  var div2;
-
-  div2 = div.cloneNode();
-  is(div2.childNodes.length, 0, "cloneNode() should do a shallow clone");
-
-  div2 = div.cloneNode(undefined);
-  is(div2.childNodes.length, 0, "cloneNode(undefined) should do a shallow clone");
-
-  div2 = div.cloneNode(true);
-  is(div2.childNodes.length, 1, "cloneNode(true) should do a deep clone");
-
-  div2 = document.importNode(div);
-  is(div2.childNodes.length, 0, "importNode(node) should do a deep import");
-
-  div2 = document.importNode(div, undefined);
-  is(div2.childNodes.length, 0, "importNode(undefined) should do a shallow import");
-
-  div2 = document.importNode(div, true);
-  is(div2.childNodes.length, 1, "importNode(true) should do a deep import");
-
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=882541">Mozilla Bug 882541</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_crossOriginWindowSymbolAccess.html b/dom/bindings/test/test_crossOriginWindowSymbolAccess.html
deleted file mode 100644
index 7808631b6..000000000
--- a/dom/bindings/test/test_crossOriginWindowSymbolAccess.html
+++ /dev/null
@@ -1,23 +0,0 @@
-<!DOCTYPE html>
-<meta charset=utf-8>
-<title>Test for accessing symbols on a cross-origin window</title>
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<div id="log"></div>
-<iframe src="http://www1.w3c-test.org/common/blank.html"></iframe>
-<script>
-async_test(function (t) {
-  window.addEventListener("load", t.step_func(
-    function() {
-      assert_equals(document.querySelector("iframe").contentDocument, null, "Should have a crossorigin frame");
-      assert_throws(new Error(), function() {
-        frames[0][Symbol.iterator];
-      }, "Should throw exception on cross-origin Window symbol-named get");
-      assert_throws(new Error(), function() {
-        frames[0].location[Symbol.iterator];
-      }, "Should throw exception on cross-origin Location symbol-named get");
-      t.done();
-    }
-  ));
-}, "Check Symbol access on load");
-</script>
diff --git a/dom/bindings/test/test_defineProperty.html b/dom/bindings/test/test_defineProperty.html
deleted file mode 100644
index f8f5f6283..000000000
--- a/dom/bindings/test/test_defineProperty.html
+++ /dev/null
@@ -1,157 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=910220
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 910220</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=910220">Mozilla Bug 910220</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-<form name="x"></form>
-</div>
-<pre id="test">
-</pre>
-<script type="application/javascript">
-
-/** Test for Bug 910220 **/
-
-function getX() {
-  return "x";
-}
-
-function namedSetStrict(obj) {
-  "use strict";
-  var threw;
-  try {
-    obj.x = 5;
-    threw = false;
-  } catch (e) {
-    threw = true;
-  }
-  ok(threw,
-     "Should throw in strict mode when setting named property on " + obj);
-
-  try {
-    obj[getX()] = 5;
-    threw = false;
-  } catch (e) {
-    threw = true;
-  }
-  ok(threw,
-     "Should throw in strict mode when setting named property via SETELEM on " + obj);
-
-  try {
-    Object.defineProperty(obj, "x", { value: 17 });
-    threw = false;
-  } catch (e) {
-    threw = true;
-  }
-  ok(threw,
-     "Should throw in strict mode when defining named property on " + obj);
-}
-function namedSetNonStrict(obj) {
-  var threw;
-  try {
-    obj.x = 5;
-    threw = false;
-  } catch (e) {
-    threw = true;
-  }
-  ok(!threw,
-     "Should not throw in non-strict mode when setting named property on " + obj);
-
-  try {
-    obj[getX()] = 5;
-    threw = false;
-  } catch (e) {
-    threw = true;
-  }
-  ok(!threw,
-     "Should not throw in non-strict mode when setting named property via SETELEM on" + obj);
-
-  try {
-    Object.defineProperty(obj, "x", { value: 17 });
-    threw = false;
-  } catch (e) {
-    threw = true;
-  }
-  ok(threw,
-     "Should throw in non-strict mode when defining named property on " + obj);
-}
-for (var obj of [ document, document.forms ]) {
-  namedSetStrict(obj);
-  namedSetNonStrict(obj);
-}
-
-function indexedSetStrict(obj) {
-  "use strict";
-  var threw;
-  try {
-    obj[0] = 5;
-    threw = false;
-  } catch (e) {
-    threw = true;
-  }
-  ok(threw,
-     "Should throw in strict mode when setting indexed property on " + obj);
-
-  try {
-    obj[1000] = 5;
-    threw = false;
-  } catch (e) {
-    threw = true;
-  }
-  ok(threw,
-     "Should throw in strict mode when setting out of bounds indexed property on " + obj);
-
-  try {
-    Object.defineProperty(obj, "0", { value: 17 });
-    threw = false;
-  } catch (e) {
-    threw = true;
-  }
-  ok(threw,
-     "Should throw in strict mode when defining indexed property on " + obj);
-}
-function indexedSetNonStrict(obj) {
-  var threw;
-  try {
-    obj[0] = 5;
-    threw = false;
-  } catch (e) {
-    threw = true;
-  }
-  ok(!threw,
-     "Should not throw in non-strict mode when setting indexed property on " + obj);
-
-  try {
-    obj[1000] = 5;
-    threw = false;
-  } catch (e) {
-    threw = true;
-  }
-  ok(!threw,
-     "Should not throw in non-strict mode when setting out of bounds indexed property on " + obj);
-
-  try {
-    Object.defineProperty(obj, "0", { value: 17 });
-    threw = false;
-  } catch (e) {
-    threw = true;
-  }
-  ok(threw,
-     "Should throw in non-strict mode when defining indexed property on " + obj);
-}
-for (var obj of [ document.forms, document.childNodes ]) {
-  indexedSetStrict(obj);
-  indexedSetNonStrict(obj);
-}
-</script>
-</body>
-</html>
diff --git a/dom/bindings/test/test_document_location_set_via_xray.html b/dom/bindings/test/test_document_location_set_via_xray.html
deleted file mode 100644
index cdadc5063..000000000
--- a/dom/bindings/test/test_document_location_set_via_xray.html
+++ /dev/null
@@ -1,49 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=905493
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 905493</title>
-  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=905493">Mozilla Bug 905493</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-<iframe id="t" src="http://example.org/tests/dom/bindings/test/file_document_location_set_via_xray.html"></iframe>
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 905493 **/
-
-function test()
-{
-  var doc = document.getElementById("t").contentWindow.document;
-  ok(!("x" in doc), "Should have an Xray here");
-  is(doc.x, undefined, "Really should have an Xray here");
-  is(doc.wrappedJSObject.x, 5, "And wrapping the right thing");
-  document.getElementById("t").onload = function() {
-    ok(true, "Load happened");
-    SimpleTest.finish();
-  };
-  try {
-    // Test the forwarding location setter
-    doc.location = "chrome://mochikit/content/tests/SimpleTest/test.css";
-  } catch (e) {
-    // Load failed
-    ok(false, "Load failed");
-    SimpleTest.finish();
-  }
-}
-
-SimpleTest.waitForExplicitFinish();
-addLoadEvent(test);
-
-</script>
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_document_location_via_xray_cached.html b/dom/bindings/test/test_document_location_via_xray_cached.html
deleted file mode 100644
index 20eef10fb..000000000
--- a/dom/bindings/test/test_document_location_via_xray_cached.html
+++ /dev/null
@@ -1,36 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1041731
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 1041731</title>
-  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1041731">Mozilla Bug 1041731</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-<iframe id="t" src="http://example.org/tests/dom/bindings/test/file_document_location_set_via_xray.html"></iframe>
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 1041731 **/
-
-function test()
-{
-  var loc = document.getElementById("t").contentWindow.document.location;
-  is(loc.toString, loc.toString, "Unforgeable method on the Xray should be cached");
-  SimpleTest.finish();
-}
-
-SimpleTest.waitForExplicitFinish();
-addLoadEvent(test);
-
-</script>
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_domProxyArrayLengthGetter.html b/dom/bindings/test/test_domProxyArrayLengthGetter.html
deleted file mode 100644
index a62adff2e..000000000
--- a/dom/bindings/test/test_domProxyArrayLengthGetter.html
+++ /dev/null
@@ -1,28 +0,0 @@
-<!DOCTYPE html>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1221421
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 1221421</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="text/javascript">
-
-  var x = document.documentElement.style;
-  x.__proto__ = [1, 2, 3];
-
-  var res = 0;
-  for (var h = 0; h < 5000; ++h) {
-    res += x.length;
-  }
-  is(res, 15000, "length getter should return array length");
-
-  </script>
-</head>
-
-<body>
-  <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1221421">Mozilla Bug 1221421</a>
-</body>
-</html>
diff --git a/dom/bindings/test/test_dom_xrays.html b/dom/bindings/test/test_dom_xrays.html
deleted file mode 100644
index 15d7013ad..000000000
--- a/dom/bindings/test/test_dom_xrays.html
+++ /dev/null
@@ -1,231 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=787070
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 787070</title>
-  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=787070">Mozilla Bug 787070</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-<iframe id="t" src="http://example.org/tests/dom/bindings/test/file_dom_xrays.html"></iframe>
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 1021066 **/
-
-var Cu = Components.utils;
-
-// values should contain the values that the property should have on each of
-// the objects on the prototype chain of obj. A value of undefined signals
-// that the value should not be present on that prototype.
-function checkXrayProperty(obj, name, values)
-{
-  var instance = obj;
-  do {
-    var value = values.shift();
-    if (typeof value == "undefined") {
-      ok(!obj.hasOwnProperty(name), "hasOwnProperty shouldn't see \"" + name + "\" through Xrays");
-      is(Object.getOwnPropertyDescriptor(obj, name), undefined, "getOwnPropertyDescriptor shouldn't see \"" + name + "\" through Xrays");
-      ok(Object.keys(obj).indexOf(name) == -1, "Enumerating the Xray should not return \"" + name + "\"");
-    } else {
-      ok(obj.hasOwnProperty(name), "hasOwnProperty should see \"" + name + "\" through Xrays");
-      var pd = Object.getOwnPropertyDescriptor(obj, name);
-      ok(pd, "getOwnPropertyDescriptor should see \"" + name + "\" through Xrays");
-      if (pd && pd.get) {
-        is(pd.get.call(instance), value, "Should get the right value for \"" + name + "\" through Xrays");
-      } else {
-        is(obj[name], value, "Should get the right value for \"" + name + "\" through Xrays");
-      }
-      if (pd && pd.enumerable) {
-        ok(Object.keys(obj).indexOf("" + name) > -1, "Enumerating the Xray should return \"" + name + "\"");
-      }
-    }
-  } while ((obj = Object.getPrototypeOf(obj)));
-}
-
-function checkWindowXrayProperty(obj, name, windowValue, windowPrototypeValue, namedPropertiesValue, eventTargetValue)
-{
-  checkXrayProperty(obj, name, [ windowValue, windowPrototypeValue, namedPropertiesValue, eventTargetValue ]);
-}
-
-function test()
-{
-  // Window
-  var win = document.getElementById("t").contentWindow;
-  var doc = document.getElementById("t").contentDocument;
-
-  var winProto = Object.getPrototypeOf(win);
-  is(winProto, win.Window.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
-
-  var namedPropertiesObject = Object.getPrototypeOf(winProto);
-  is(Cu.getClassName(namedPropertiesObject, /* unwrap = */ true), "WindowProperties", "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
-
-  var eventTargetProto = Object.getPrototypeOf(namedPropertiesObject);
-  is(eventTargetProto, win.EventTarget.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
-
-  // Xrays need to filter expandos.
-  checkWindowXrayProperty(win, "expando", undefined);
-  ok(!("expando" in win), "Xrays should filter expandos");
-
-  checkWindowXrayProperty(win, "shadowedIframe", undefined, undefined, doc.getElementById("shadowedIframe").contentWindow);
-  ok("shadowedIframe" in win, "Named properties should be exposed through Xrays");
-
-  // Named properties live on the named properties object for global objects.
-  checkWindowXrayProperty(win, "iframe", undefined, undefined, doc.getElementById("iframe").contentWindow);
-  ok("iframe" in win, "Named properties should be exposed through Xrays");
-
-  // Window properties live on the instance, shadowing the properties of the named property object.
-  checkWindowXrayProperty(win, "document", doc, undefined, doc.getElementById("document").contentWindow);
-  ok("document" in win, "WebIDL properties should be exposed through Xrays");
-
-  // Unforgeable properties live on the instance, shadowing the properties of the named property object.
-  checkWindowXrayProperty(win, "self", win, undefined, doc.getElementById("self").contentWindow);
-  ok("self" in win, "WebIDL properties should be exposed through Xrays");
-
-  // Object.prototype is at the end of the prototype chain.
-  var obj = win;
-  while ((proto = Object.getPrototypeOf(obj))) {
-    obj = proto;
-  }
-  is(obj, win.Object.prototype, "Object.prototype should be at the end of the prototype chain");
-
-  // Named properties shouldn't shadow WebIDL- or ECMAScript-defined properties.
-  checkWindowXrayProperty(win, "addEventListener", undefined, undefined, undefined, eventTargetProto.addEventListener);
-  is(win.addEventListener, eventTargetProto.addEventListener, "Named properties shouldn't shadow WebIDL-defined properties");
-
-  is(win.toString, win.Object.prototype.toString, "Named properties shouldn't shadow ECMAScript-defined properties");
-
-  // HTMLDocument
-  // Unforgeable properties live on the instance.
-  checkXrayProperty(doc, "location", [ win.location ]);
-  is(String(win.location), document.getElementById("t").src,
-     "Should have the right stringification");
-
-  // HTMLHtmlElement
-  var elem = doc.documentElement;
-
-  var elemProto = Object.getPrototypeOf(elem);
-  is(elemProto, win.HTMLHtmlElement.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
-
-  elemProto = Object.getPrototypeOf(elemProto);
-  is(elemProto, win.HTMLElement.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
-
-  elemProto = Object.getPrototypeOf(elemProto);
-  is(elemProto, win.Element.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
-
-  elemProto = Object.getPrototypeOf(elemProto);
-  is(elemProto, win.Node.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
-
-  elemProto = Object.getPrototypeOf(elemProto);
-  is(elemProto, win.EventTarget.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
-
-  // Xrays need to filter expandos.
-  ok(!("expando" in elem), "Xrays should filter expandos");
-
-  // WebIDL-defined properties live on the prototype.
-  checkXrayProperty(elem, "version", [ undefined, "" ]);
-  is(elem.version, "", "WebIDL properties should be exposed through Xrays");
-
-  // HTMLCollection
-  var coll = doc.getElementsByTagName("iframe");
-
-  // Named properties live on the instance for non-global objects.
-  checkXrayProperty(coll, "iframe", [ doc.getElementById("iframe") ]);
-
-  // Indexed properties live on the instance.
-  checkXrayProperty(coll, 0, [ doc.getElementById("shadowedIframe") ]);
-
-  // WebIDL-defined properties live on the prototype, overriding any named properties.
-  checkXrayProperty(coll, "item", [ undefined, win.HTMLCollection.prototype.item ]);
-
-  // ECMAScript-defined properties live on the prototype, overriding any named properties.
-  checkXrayProperty(coll, "toString", [ undefined, undefined, win.Object.prototype.toString ]);
-
-  // Frozen arrays should come from our compartment, not the target one.
-  var languages1 = win.navigator.languages;
-  isnot(languages1, undefined, "Must have .languages");
-  ok(Array.isArray(languages1), ".languages should be an array");
-  ok(Object.isFrozen(languages1), ".languages should be a frozen array");
-  ok(!Cu.isXrayWrapper(languages1), "Should have our own version of array");
-  is(Cu.getGlobalForObject(languages1), window,
-     "languages1 should come from our window");
-  // We want to get .languages in the content compartment, but without waiving
-  // Xrays altogether.
-  var languages2 = win.eval("navigator.languages");
-  isnot(languages2, undefined, "Must still have .languages");
-  ok(Array.isArray(languages2), ".languages should still be an array");
-  ok(Cu.isXrayWrapper(languages2), "Should have xray for content version of array");
-  is(Cu.getGlobalForObject(languages2), win,
-     "languages2 come from the underlying window");
-  ok(Object.isFrozen(languages2.wrappedJSObject),
-     ".languages should still be a frozen array underneath");
-  isnot(languages1, languages2, "Must have distinct arrays");
-  isnot(languages1, languages2.wrappedJSObject,
-        "Must have distinct arrays no matter how we slice it");
-
-  // Check that DataTransfer's .types has the hack to alias contains()
-  // to includes().
-  var dataTransfer = new win.DataTransfer();
-  is(dataTransfer.types.contains, dataTransfer.types.includes,
-     "Should have contains() set up as an alias to includes()");
-  // Waive Xrays on the dataTransfer itself, since the .types we get is
-  // different over Xrays vs not.
-  is(dataTransfer.wrappedJSObject.types.contains, undefined,
-     "Underlying object should not have contains() set up as an alias to " +
-     "includes()");
-
-  // Check that deleters work correctly in the [OverrideBuiltins] case.
-  var elem = win.document.documentElement;
-  var dataset = elem.dataset;
-  is(dataset.foo, undefined, "Should not have a 'foo' property");
-  ok(!('foo' in dataset), "Really should not have a 'foo' property");
-  is(elem.getAttribute("data-foo"), null,
-     "Should not have a 'data-foo' attribute");
-  ok(!elem.hasAttribute("data-foo"),
-     "Really should not have a 'data-foo' attribute");
-  dataset.foo = "bar";
-  is(dataset.foo, "bar", "Should now have a 'foo' property");
-  ok('foo' in dataset, "Really should have a 'foo' property");
-  is(elem.getAttribute("data-foo"), "bar",
-     "Should have a 'data-foo' attribute");
-  ok(elem.hasAttribute("data-foo"),
-     "Really should have a 'data-foo' attribute");
-  delete dataset.foo;
-  is(dataset.foo, undefined, "Should not have a 'foo' property again");
-  ok(!('foo' in dataset), "Really should not have a 'foo' property again");
-  is(elem.getAttribute("data-foo"), null,
-     "Should not have a 'data-foo' attribute again");
-  ok(!elem.hasAttribute("data-foo"),
-     "Really should not have a 'data-foo' attribute again");
-
-  // Check that deleters work correctly in the non-[OverrideBuiltins] case.
-  var storage = win.sessionStorage;
-  is(storage.foo, undefined, "Should not have a 'foo' property");
-  ok(!('foo' in storage), "Really should not have a 'foo' property");
-  is(storage.getItem("foo"), null, "Should not have an item named 'foo'");
-  storage.foo = "bar";
-  is(storage.foo, "bar", "Should have a 'foo' property");
-  ok('foo' in storage, "Really should have a 'foo' property");
-  is(storage.getItem("foo"), "bar", "Should have an item named 'foo'");
-  delete storage.foo
-  is(storage.foo, undefined, "Should not have a 'foo' property again");
-  ok(!('foo' in storage), "Really should not have a 'foo' property again");
-  is(storage.getItem("foo"), null, "Should not have an item named 'foo' again");
-
-  SimpleTest.finish();
-}
-
-SimpleTest.waitForExplicitFinish();
-addLoadEvent(test);
-
-</script>
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_enums.html b/dom/bindings/test/test_enums.html
deleted file mode 100644
index e5dc519a0..000000000
--- a/dom/bindings/test/test_enums.html
+++ /dev/null
@@ -1,15 +0,0 @@
-<!doctype html>
-<meta charset=utf-8>
-<title>Enums</title>
-<script src=/resources/testharness.js></script>
-<script src=/resources/testharnessreport.js></script>
-<div id=log></div>
-<script>
-test(function() {
-  var xhr = new XMLHttpRequest();
-  xhr.open("get", "foo")
-  assert_equals(xhr.responseType, "");
-  xhr.responseType = "foo";
-  assert_equals(xhr.responseType, "");
-}, "Assigning an invalid value to an enum attribute should not throw.");
-</script>
diff --git a/dom/bindings/test/test_exceptionSanitization.html b/dom/bindings/test/test_exceptionSanitization.html
deleted file mode 100644
index 9a6ab6088..000000000
--- a/dom/bindings/test/test_exceptionSanitization.html
+++ /dev/null
@@ -1,45 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1295322
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 1295322</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1295322">Mozilla Bug 1295322</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-  <script type="application/javascript">
-
-  /** Test for Bug 1295322 **/
-  iframe = document.createElement('iframe');
-  iframe.name = "eWin";
-  document.body.appendChild(iframe);
-
-  try{
-    // NOTE: The idea here is to call something that will end up throwing an
-    // exception in a JS component and then propagate back to C++ code before
-    // returning to us.  If opening a feed: URI stops doing that, we will need a
-    // new guinea pig here.
-    open('feed://java:script:codeshouldgohere','eWin');
-    ok(false, "Should have thrown!");
-  } catch(e){
-    try {
-      is(e.name, "NS_ERROR_UNEXPECTED", "Should have the right exception");
-      is(e.filename, location.href,
-         "Should not be seeing where the exception really came from");
-    } catch (e2) {
-      ok(false, "Should be able to work with the exception");
-    }
-  }
-  </script>
-</body>
-</html>
diff --git a/dom/bindings/test/test_exceptionThrowing.html b/dom/bindings/test/test_exceptionThrowing.html
deleted file mode 100644
index 376c2bc57..000000000
--- a/dom/bindings/test/test_exceptionThrowing.html
+++ /dev/null
@@ -1,56 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=847119
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 847119</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 847119 **/
-
-  var xhr = new XMLHttpRequest();
-  var domthrows = function() { xhr.open();  }
-
-  var count = 20000;
-  
-  function f() {
-    var k = 0;
-    for (var j = 0; j < count; ++j) {
-      try { domthrows(); } catch(e) { ++k; }
-    }
-    return k;
-  }
-  function g() { return count; }
-
-  is(f(), count, "Should get count exceptions");
-  for (var h of [f, g]) {
-    try { is(h(), count, "Should get count exceptions here too"); } catch (e) {}
-  }
-  ok(true, "We should get here");
-
-  var domthrows = function() { xhr.withCredentials = false; }
-  xhr.open("GET", "");
-  xhr.send();
-
-  is(f(), count, "Should get count exceptions from getter");
-  for (var h of [f, g]) {
-    try { is(h(), count, "Should get count exceptions from getter here too"); } catch (e) {}
-  }
-  ok(true, "We should get here too");
-
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=847119">Mozilla Bug 847119</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_exception_messages.html b/dom/bindings/test/test_exception_messages.html
deleted file mode 100644
index a0f0cabe6..000000000
--- a/dom/bindings/test/test_exception_messages.html
+++ /dev/null
@@ -1,82 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=882653
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 882653</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 882653 **/
-  // Each test is a string to eval, the expected exception message, and the
-  // test description.
-  var tests = [
-      [ 'document.documentElement.appendChild.call({}, new Image())',
-        "'appendChild' called on an object that does not implement interface Node.",
-        "bogus method this object" ],
-      [ 'Object.getOwnPropertyDescriptor(Document.prototype, "documentElement").get.call({})',
-        "'get documentElement' called on an object that does not implement interface Document.",
-        "bogus getter this object" ],
-      [ 'Object.getOwnPropertyDescriptor(Element.prototype, "innerHTML").set.call({})',
-        "'set innerHTML' called on an object that does not implement interface Element.",
-        "bogus setter this object" ],
-      [ 'document.documentElement.appendChild(5)',
-        "Argument 1 of Node.appendChild is not an object.",
-        "bogus interface argument" ],
-      [ 'document.documentElement.appendChild(null)',
-        "Argument 1 of Node.appendChild is not an object.",
-        "null interface argument" ],
-      [ 'document.createTreeWalker(document).currentNode = 5',
-        "Value being assigned to TreeWalker.currentNode is not an object.",
-        "interface setter call" ],
-      [ 'document.documentElement.appendChild({})',
-        "Argument 1 of Node.appendChild does not implement interface Node.",
-        "wrong interface argument" ],
-      [ 'document.createTreeWalker(document).currentNode = {}',
-        "Value being assigned to TreeWalker.currentNode does not implement interface Node.",
-        "wrong interface setter call" ],
-      [ 'document.createElement("canvas").getContext("2d").fill("bogus")',
-        "Argument 1 of CanvasRenderingContext2D.fill 'bogus' is not a valid value for enumeration CanvasWindingRule.",
-        "bogus enum value" ],
-      [ 'document.createTreeWalker(document, 0xFFFFFFFF, { acceptNode: 5 }).nextNode()',
-        "Property 'acceptNode' is not callable.",
-        "non-callable callback interface operation property" ],
-      [ '(new TextDecoder).decode(new Uint8Array(), new RegExp())',
-        "Argument 2 of TextDecoder.decode can't be converted to a dictionary.",
-        "regexp passed for a dictionary" ],
-      [ 'URL.createObjectURL(null, null)',
-        "Argument 1 is not valid for any of the 2-argument overloads of URL.createObjectURL.",
-        "overload resolution failure" ],
-      [ 'document.createElement("select").add({})',
-        "Argument 1 of HTMLSelectElement.add could not be converted to any of: HTMLOptionElement, HTMLOptGroupElement.",
-        "invalid value passed for union" ],
-      [ 'document.createElement("canvas").getContext("2d").createLinearGradient(0, 1, 0, 1).addColorStop(NaN, "")',
-        "Argument 1 of CanvasGradient.addColorStop is not a finite floating-point value.",
-        "invalid float" ]
-  ];
-
-  for (var i = 0; i < tests.length; ++i) {
-      msg = "Correct exception should be thrown for " + tests[i][2];
-      try {
-          eval(tests[i][0]);
-          ok(false, msg);
-      } catch (e) {
-          is(e.message, tests[i][1], msg);
-      }
-  }
-
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=882653">Mozilla Bug 882653</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_exception_options_from_jsimplemented.html b/dom/bindings/test/test_exception_options_from_jsimplemented.html
deleted file mode 100644
index 8a98a8fb6..000000000
--- a/dom/bindings/test/test_exception_options_from_jsimplemented.html
+++ /dev/null
@@ -1,166 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1107592
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 1107592</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 1107592 **/
-
-  SimpleTest.waitForExplicitFinish();
-
-  function doTest() {
-    var file = location.href;
-    var asyncFrame;
-    /* Async parent frames from pushPrefEnv don't show up in e10s.  */
-    var isE10S = !SpecialPowers.isMainProcess();
-    if (!isE10S && SpecialPowers.getBoolPref("javascript.options.asyncstack")) {
-      asyncFrame = `Async*@${file}:153:3
-`;
-    } else {
-      asyncFrame = "";
-    }
-
-    var t = new TestInterfaceJS();
-    try {
-      t.testThrowError();
-    } catch (e) {
-      ok(e instanceof Error, "Should have an Error here");
-      ok(!(e instanceof DOMException), "Should not have DOMException here");
-      ok(!("code" in e), "Should not have a 'code' property");
-      is(e.name, "Error", "Should not have an interesting name here");
-      is(e.message, "We are an Error", "Should have the right message");
-      is(e.stack,
-         `doTest@${file}:31:7
-${asyncFrame}`,
-         "Exception stack should still only show our code");
-      is(e.fileName,
-         file,
-         "Should have the right file name");
-      is(e.lineNumber, 31, "Should have the right line number");
-      is(e.columnNumber, 7, "Should have the right column number");
-    }
-
-    try {
-      t.testThrowDOMException();
-    } catch (e) {
-      ok(e instanceof Error, "Should also have an Error here");
-      ok(e instanceof DOMException, "Should have DOMException here");
-      is(e.name, "NotSupportedError", "Should have the right name here");
-      is(e.message, "We are a DOMException",
-         "Should also have the right message");
-      is(e.code, DOMException.NOT_SUPPORTED_ERR,
-         "Should have the right 'code'");
-      is(e.stack,
-         `doTest@${file}:50:7
-${asyncFrame}`,
-         "Exception stack should still only show our code");
-      is(e.filename,
-         file,
-         "Should still have the right file name");
-      is(e.lineNumber, 50, "Should still have the right line number");
-      todo_isnot(e.columnNumber, 0,
-                 "No column number support for DOMException yet");
-    }
-
-    try {
-      t.testThrowTypeError();
-    } catch (e) {
-      ok(e instanceof TypeError, "Should have a TypeError here");
-      ok(!(e instanceof DOMException), "Should not have DOMException here (2)");
-      ok(!("code" in e), "Should not have a 'code' property (2)");
-      is(e.name, "TypeError", "Should be named TypeError");
-      is(e.message, "We are a TypeError",
-         "Should also have the right message (2)");
-      is(e.stack,
-         `doTest@${file}:72:7
-${asyncFrame}`,
-         "Exception stack for TypeError should only show our code");
-      is(e.fileName,
-         file,
-         "Should still have the right file name for TypeError");
-      is(e.lineNumber, 72, "Should still have the right line number for TypeError");
-      is(e.columnNumber, 7, "Should have the right column number for TypeError");
-    }
-
-    try {
-      t.testThrowCallbackError(function() { Array.indexOf() });
-    } catch (e) {
-      ok(e instanceof TypeError, "Should have a TypeError here (3)");
-      ok(!(e instanceof DOMException), "Should not have DOMException here (3)");
-      ok(!("code" in e), "Should not have a 'code' property (3)");
-      is(e.name, "TypeError", "Should be named TypeError (3)");
-      is(e.message, "missing argument 0 when calling function Array.indexOf",
-         "Should also have the right message (3)");
-      is(e.stack,
-         `doTest/<@${file}:92:45
-doTest@${file}:92:7
-${asyncFrame}`,
-         "Exception stack for TypeError should only show our code (3)");
-      is(e.fileName,
-         file,
-         "Should still have the right file name for TypeError (3)");
-      is(e.lineNumber, 92, "Should still have the right line number for TypeError (3)");
-      is(e.columnNumber, 45, "Should have the right column number for TypeError (3)");
-    }
-
-    try {
-      t.testThrowXraySelfHosted();
-    } catch (e) {
-      ok(!(e instanceof Error), "Should have an Exception here (4)");
-      ok(!(e instanceof DOMException), "Should not have DOMException here (4)");
-      ok(!("code" in e), "Should not have a 'code' property (4)");
-      is(e.name, "NS_ERROR_UNEXPECTED", "Name should be sanitized (4)");
-      is(e.message, "", "Message should be sanitized (5)");
-      is(e.stack,
-         `doTest@${file}:113:7
-${asyncFrame}`,
-         "Exception stack for sanitized exception should only show our code (4)");
-      is(e.filename,
-         file,
-         "Should still have the right file name for sanitized exception (4)");
-      is(e.lineNumber, 113, "Should still have the right line number for sanitized exception (4)");
-      todo_isnot(e.columnNumber, 0, "Should have the right column number for sanitized exception (4)");
-    }
-
-    try {
-      t.testThrowSelfHosted();
-    } catch (e) {
-      ok(!(e instanceof Error), "Should have an Exception here (5)");
-      ok(!(e instanceof DOMException), "Should not have DOMException here (5)");
-      ok(!("code" in e), "Should not have a 'code' property (5)");
-      is(e.name, "NS_ERROR_UNEXPECTED", "Name should be sanitized (5)");
-      is(e.message, "", "Message should be sanitized (5)");
-      is(e.stack,
-         `doTest@${file}:132:7
-${asyncFrame}`,
-         "Exception stack for sanitized exception should only show our code (5)");
-      is(e.filename,
-         file,
-         "Should still have the right file name for sanitized exception (5)");
-      is(e.lineNumber, 132, "Should still have the right line number for sanitized exception (5)");
-      todo_isnot(e.columnNumber, 0, "Should have the right column number for sanitized exception (5)");
-    }
-
-    SimpleTest.finish();
-  }
-
-  SpecialPowers.pushPrefEnv({set: [['dom.expose_test_interfaces', true]]},
-                            doTest);
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1107592">Mozilla Bug 1107592</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_exceptions_from_jsimplemented.html b/dom/bindings/test/test_exceptions_from_jsimplemented.html
deleted file mode 100644
index d0f599353..000000000
--- a/dom/bindings/test/test_exceptions_from_jsimplemented.html
+++ /dev/null
@@ -1,56 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=923010
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 923010</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-  /** Test for Bug 923010 **/
-  try {
-    var conn = new RTCPeerConnection();
-
-    var candidate = new RTCIceCandidate({candidate: null });
-    conn.addIceCandidate(candidate)
-    .then(function() {
-      ok(false, "addIceCandidate succeeded when it should have failed");
-    }, function(reason) {
-      is(reason.lineNumber, 17, "Rejection should have been on line 17");
-      is(reason.message,
-         "Invalid candidate passed to addIceCandidate!",
-         "Should have the rejection we expect");
-    })
-    .catch(function(reason) {
-      ok(false, "unexpected error: " + reason);
-    });
-  } catch (e) {
-    // b2g has no WebRTC, apparently
-    todo(false, "No WebRTC on b2g yet");
-  }
-
-  conn.close();
-  try {
-      conn.setIdentityProvider("example.com", "foo");
-      ok(false, "That call to setIdentityProvider should have thrown");
-    } catch (e) {
-      is(e.lineNumber, 36, "Exception should have been on line 36");
-      is(e.message,
-         "Peer connection is closed",
-         "Should have the exception we expect");
-    }
-
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=923010">Mozilla Bug 923010</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_forOf.html b/dom/bindings/test/test_forOf.html
deleted file mode 100644
index 53969a23e..000000000
--- a/dom/bindings/test/test_forOf.html
+++ /dev/null
@@ -1,86 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=725907
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 725907</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=725907">Mozilla Bug 725907</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-  
-</div>
-<div id="basket">
-  <span id="egg0"></span>
-  <span id="egg1"><span id="duckling1"></span></span>
-  <span id="egg2"></span>
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 725907 **/
-
-function runTestsForDocument(document, msgSuffix) {
-    function is(a, b, msg) { SimpleTest.is(a, b, msg + msgSuffix); }
-    function isnot(a, b, msg) { SimpleTest.isnot(a, b, msg + msgSuffix); }
-
-    var basket = document.getElementById("basket");
-    var egg3 = document.createElement("span");
-    egg3.id = "egg3";
-
-    var log = '';
-    for (var x of basket.childNodes) {
-        if (x.nodeType != x.TEXT_NODE)
-            log += x.id + ";";
-    }
-    is(log, "egg0;egg1;egg2;", "'for (x of div.childNodes)' should iterate over child nodes");
-
-    log = '';
-    for (var x of basket.childNodes) {
-        if (x.nodeType != x.TEXT_NODE) {
-            log += x.id + ";";
-            if (x.id == "egg1")
-                basket.appendChild(egg3);
-        }
-    }
-    is(log, "egg0;egg1;egg2;egg3;", "'for (x of div.childNodes)' should see elements added during iteration");
-
-    log = '';
-    basket.appendChild(document.createTextNode("some text"));
-    for (var x of basket.children)
-        log += x.id + ";";
-    is(log, "egg0;egg1;egg2;egg3;", "'for (x of div.children)' should iterate over child elements");
-
-    var count = 0;
-    for (var x of document.getElementsByClassName("hazardous-materials"))
-        count++;
-    is(count, 0, "'for (x of emptyNodeList)' loop should run zero times");
-
-    var log = '';
-    for (var x of document.querySelectorAll("span"))
-        log += x.id + ";";
-    is(log, "egg0;egg1;duckling1;egg2;egg3;", "for-of loop should work with a querySelectorAll() NodeList");
-}
-
-/* All the tests run twice. First, in this document, so without any wrappers. */
-runTestsForDocument(document, "");
-
-/* And once using the document of an iframe, so working with cross-compartment wrappers. */
-SimpleTest.waitForExplicitFinish();
-function iframeLoaded(iframe) {
-    runTestsForDocument(iframe.contentWindow.document, " (in iframe)");
-    SimpleTest.finish();
-}
-
-</script>
-
-<iframe src="forOf_iframe.html" onload="iframeLoaded(this)"></iframe>
-
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_integers.html b/dom/bindings/test/test_integers.html
deleted file mode 100644
index c74b68216..000000000
--- a/dom/bindings/test/test_integers.html
+++ /dev/null
@@ -1,50 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<head>
-  <meta charset="utf-8">
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<p id="display"></p>
-<div id="content" style="display: none">
-  <canvas id="c" width="1" height="1"></canvas>
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-  function testInt64NonFinite(arg) {
-    // We can use a WebGLRenderingContext to test conversion to 64-bit signed
-    // ints edge cases.
-    var gl = $("c").getContext("experimental-webgl");
-    if (!gl) {
-      // No WebGL support on MacOS 10.5.  Just skip this test
-      todo(false, "WebGL not supported");
-      return;
-    }
-    var error = gl.getError()
-
-    // on the b2g emulator we get GL_INVALID_FRAMEBUFFER_OPERATION
-    if (error == 0x0506) // GL_INVALID_FRAMEBUFFER_OPERATION
-        return;
-
-    is(error, 0, "Should not start in an error state");
-
-    var b = gl.createBuffer();
-    gl.bindBuffer(gl.ARRAY_BUFFER, b);
-
-    var a = new Float32Array(1);
-    gl.bufferData(gl.ARRAY_BUFFER, a, gl.STATIC_DRAW);
-
-    gl.bufferSubData(gl.ARRAY_BUFFER, arg, a);
-
-    is(gl.getError(), 0, "Should have treated non-finite double as 0");
-  }
-
-  testInt64NonFinite(NaN);
-  testInt64NonFinite(Infinity);
-  testInt64NonFinite(-Infinity);
-</script>
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_interfaceName.html b/dom/bindings/test/test_interfaceName.html
deleted file mode 100644
index 59828a2cf..000000000
--- a/dom/bindings/test/test_interfaceName.html
+++ /dev/null
@@ -1,28 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1084001
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 1084001</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 1084001 **/
-  is(Image.name, "Image", "Image name");
-  is(Promise.name, "Promise", "Promise name");
-
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1084001">Mozilla Bug 1084001</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_interfaceToString.html b/dom/bindings/test/test_interfaceToString.html
deleted file mode 100644
index c97b2f63b..000000000
--- a/dom/bindings/test/test_interfaceToString.html
+++ /dev/null
@@ -1,47 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=742156
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 742156</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=742156">Mozilla Bug 742156</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-  
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 742156 **/
-
-var nativeToString = ("" + String.replace).replace("replace", "EventTarget");
-try {
-    var eventTargetToString = "" + EventTarget;
-    is(eventTargetToString, nativeToString,
-       "Stringifying a DOM interface object should return the same string" +
-       "as stringifying a native function.");
-}
-catch (e) {
-    ok(false, "Stringifying a DOM interface object shouldn't throw.");
-}
-
-try {
-    eventTargetToString = Function.prototype.toString.call(EventTarget);
-    is(eventTargetToString, nativeToString,
-       "Stringifying a DOM interface object via Function.prototype.toString " +
-       "should return the same string as stringifying a native function.");
-}
-catch (e) {
-    ok(false, "Stringifying a DOM interface object shouldn't throw.");
-}
-
-</script>
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_iterable.html b/dom/bindings/test/test_iterable.html
deleted file mode 100644
index 8ce818e76..000000000
--- a/dom/bindings/test/test_iterable.html
+++ /dev/null
@@ -1,241 +0,0 @@
-<!-- Any copyright is dedicated to the Public Domain.
-- http://creativecommons.org/publicdomain/zero/1.0/ -->
-<!DOCTYPE HTML>
-<html>
-  <head>
-    <title>Test Iterable Interface</title>
-    <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-    <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
-  </head>
-  <body>
-    <script class="testbody" type="application/javascript">
-     SimpleTest.waitForExplicitFinish();
-     SpecialPowers.pushPrefEnv({set: [['dom.expose_test_interfaces', true]]}, function() {
-
-       base_properties = [["entries", "function", 0],
-                          ["keys", "function", 0],
-                          ["values", "function", 0],
-                          ["forEach", "function", 1]]
-       var testExistence = function testExistence(prefix, obj, properties) {
-         for (var [name, type, args] of properties) {
-           // Properties are somewhere up the proto chain, hasOwnProperty won't work
-           isnot(obj[name], undefined,
-                 `${prefix} object has property ${name}`);
-
-           is(typeof obj[name], type,
-              `${prefix} object property ${name} is a ${type}`);
-           // Check function length
-           if (type == "function") {
-             is(obj[name].length, args,
-                `${prefix} object property ${name} is length ${args}`);
-             is(obj[name].name, name,
-                `${prefix} object method name is ${name}`);
-           }
-
-           // Find where property is on proto chain, check for enumerablility there.
-           var owner = obj;
-           while (owner) {
-             var propDesc = Object.getOwnPropertyDescriptor(owner, name);
-             if (propDesc) {
-               ok(propDesc.enumerable,
-                  `${prefix} object property ${name} is enumerable`);
-               break;
-             }
-             owner = Object.getPrototypeOf(owner);
-           }
-         }
-       }
-
-       var itr;
-       // Simple single type iterable creation and functionality test
-       info("IterableSingle: Testing simple iterable creation and functionality");
-       itr = new TestInterfaceIterableSingle();
-       testExistence("IterableSingle: ", itr, base_properties);
-       is(itr[Symbol.iterator], Array.prototype[Symbol.iterator],
-          "IterableSingle: Should be using %ArrayIterator% for @@iterator");
-       is(itr.keys, Array.prototype.keys,
-          "IterableSingle: Should be using %ArrayIterator% for 'keys'");
-       is(itr.entries, Array.prototype.entries,
-          "IterableSingle: Should be using %ArrayIterator% for 'entries'");
-       is(itr.values, itr[Symbol.iterator],
-          "IterableSingle: Should be using @@iterator for 'values'");
-       is(itr.forEach, Array.prototype.forEach,
-          "IterableSingle: Should be using %ArrayIterator% for 'forEach'");
-       var keys = [...itr.keys()];
-       var values = [...itr.values()];
-       var entries = [...itr.entries()];
-       var key_itr = itr.keys();
-       var value_itr = itr.values();
-       var entries_itr = itr.entries();
-       for (var i = 0; i < 3; ++i) {
-         var key = key_itr.next();
-         var value = value_itr.next();
-         var entry = entries_itr.next();
-         is(key.value, i, "IterableSingle: Key iterator value should be " + i);
-         is(key.value, keys[i],
-            "IterableSingle: Key iterator value should match destructuring " + i);
-         is(value.value, key.value, "IterableSingle: Value iterator value should be " + key.value);
-         is(value.value, values[i],
-            "IterableSingle: Value iterator value should match destructuring " + i);
-         is(entry.value[0], i, "IterableSingle: Entry iterator value 0 should be " + i);
-         is(entry.value[1], i, "IterableSingle: Entry iterator value 1 should be " + i);
-         is(entry.value[0], entries[i][0],
-            "IterableSingle: Entry iterator value 0 should match destructuring " + i);
-         is(entry.value[1], entries[i][1],
-            "IterableSingle: Entry iterator value 1 should match destructuring " + i);
-       }
-
-       var callsToForEachCallback = 0;
-       var thisArg = {};
-       itr.forEach(function(value, index, obj) {
-         is(index, callsToForEachCallback,
-            `IterableSingle: Should have the right index at ${callsToForEachCallback} calls to forEach callback`);
-         is(value, values[index],
-            `IterableSingle: Should have the right value at ${callsToForEachCallback} calls to forEach callback`);
-         is(this, thisArg,
-            "IterableSingle: Should have the right this value for forEach callback");
-         is(obj, itr,
-            "IterableSingle: Should have the right third arg for forEach callback");
-         ++callsToForEachCallback;
-       }, thisArg);
-       is(callsToForEachCallback, 3,
-          "IterableSingle: Should have right total number of calls to forEach callback");
-
-       var key = key_itr.next();
-       var value = value_itr.next();
-       var entry = entries_itr.next();
-       is(key.value, undefined, "IterableSingle: Key iterator value should be undefined");
-       is(key.done, true, "IterableSingle: Key iterator done should be true");
-       is(value.value, undefined, "IterableSingle: Value iterator value should be undefined");
-       is(value.done, true, "IterableSingle: Value iterator done should be true");
-       is(entry.value, undefined, "IterableDouble: Entry iterator value should be undefined");
-       is(entry.done, true, "IterableSingle: Entry iterator done should be true");
-       is(Object.prototype.toString.call(Object.getPrototypeOf(key_itr)),
-          "[object Array Iterator]",
-          "iterator prototype should have the right brand");
-
-       // Simple dual type iterable creation and functionality test
-       info("IterableDouble: Testing simple iterable creation and functionality");
-       itr = new TestInterfaceIterableDouble();
-       testExistence("IterableDouble: ", itr, base_properties);
-       is(itr.entries, itr[Symbol.iterator],
-          "IterableDouble: Should be using @@iterator for 'entries'");
-       var elements = [["a", "b"], ["c", "d"], ["e", "f"]]
-       var keys = [...itr.keys()];
-       var values = [...itr.values()];
-       var entries = [...itr.entries()];
-       var key_itr = itr.keys();
-       var value_itr = itr.values();
-       var entries_itr = itr.entries();
-       for (var i = 0; i < 3; ++i) {
-         var key = key_itr.next();
-         var value = value_itr.next();
-         var entry = entries_itr.next();
-         is(key.value, elements[i][0], "IterableDouble: Key iterator value should be " + elements[i][0]);
-         is(key.value, keys[i],
-            "IterableDouble: Key iterator value should match destructuring " + i);
-         is(value.value, elements[i][1], "IterableDouble: Value iterator value should be " + elements[i][1]);
-         is(value.value, values[i],
-            "IterableDouble: Value iterator value should match destructuring " + i);
-         is(entry.value[0], elements[i][0], "IterableDouble: Entry iterator value 0 should be " + elements[i][0]);
-         is(entry.value[1], elements[i][1], "IterableDouble: Entry iterator value 1 should be " + elements[i][1]);
-         is(entry.value[0], entries[i][0],
-            "IterableDouble: Entry iterator value 0 should match destructuring " + i);
-         is(entry.value[1], entries[i][1],
-            "IterableDouble: Entry iterator value 1 should match destructuring " + i);
-       }
-
-       callsToForEachCallback = 0;
-       thisArg = {};
-       itr.forEach(function(value, key, obj) {
-         is(key, keys[callsToForEachCallback],
-            `IterableDouble: Should have the right key at ${callsToForEachCallback} calls to forEach callback`);
-         is(value, values[callsToForEachCallback],
-            `IterableDouble: Should have the right value at ${callsToForEachCallback} calls to forEach callback`);
-         is(this, thisArg,
-            "IterableDouble: Should have the right this value for forEach callback");
-         is(obj, itr,
-            "IterableSingle: Should have the right third arg for forEach callback");
-         ++callsToForEachCallback;
-       }, thisArg);
-       is(callsToForEachCallback, 3,
-          "IterableDouble: Should have right total number of calls to forEach callback");
-
-       var key = key_itr.next();
-       var value = value_itr.next();
-       var entry = entries_itr.next()
-       is(key.value, undefined, "IterableDouble: Key iterator value should be undefined");
-       is(key.done, true, "IterableDouble: Key iterator done should be true");
-       is(value.value, undefined, "IterableDouble: Value iterator value should be undefined");
-       is(value.done, true, "IterableDouble: Value iterator done should be true");
-       is(entry.value, undefined, "IterableDouble: Entry iterator value should be undefined");
-       is(entry.done, true, "IterableDouble: Entry iterator done should be true");
-       is(Object.prototype.toString.call(Object.getPrototypeOf(key_itr)),
-          "[object TestInterfaceIterableDoubleIteratorPrototype]",
-          "iterator prototype should have the right brand");
-
-       // Simple dual type iterable creation and functionality test
-       info("IterableDoubleUnion: Testing simple iterable creation and functionality");
-       itr = new TestInterfaceIterableDoubleUnion();
-       testExistence("IterableDoubleUnion: ", itr, base_properties);
-       is(itr.entries, itr[Symbol.iterator],
-          "IterableDoubleUnion: Should be using @@iterator for 'entries'");
-       var elements = [["long", 1], ["string", "a"]]
-       var keys = [...itr.keys()];
-       var values = [...itr.values()];
-       var entries = [...itr.entries()];
-       var key_itr = itr.keys();
-       var value_itr = itr.values();
-       var entries_itr = itr.entries();
-       for (var i = 0; i < elements.length; ++i) {
-         var key = key_itr.next();
-         var value = value_itr.next();
-         var entry = entries_itr.next();
-         is(key.value, elements[i][0], "IterableDoubleUnion: Key iterator value should be " + elements[i][0]);
-         is(key.value, keys[i],
-            "IterableDoubleUnion: Key iterator value should match destructuring " + i);
-         is(value.value, elements[i][1], "IterableDoubleUnion: Value iterator value should be " + elements[i][1]);
-         is(value.value, values[i],
-            "IterableDoubleUnion: Value iterator value should match destructuring " + i);
-         is(entry.value[0], elements[i][0], "IterableDoubleUnion: Entry iterator value 0 should be " + elements[i][0]);
-         is(entry.value[1], elements[i][1], "IterableDoubleUnion: Entry iterator value 1 should be " + elements[i][1]);
-         is(entry.value[0], entries[i][0],
-            "IterableDoubleUnion: Entry iterator value 0 should match destructuring " + i);
-         is(entry.value[1], entries[i][1],
-            "IterableDoubleUnion: Entry iterator value 1 should match destructuring " + i);
-       }
-
-       callsToForEachCallback = 0;
-       thisArg = {};
-       itr.forEach(function(value, key, obj) {
-         is(key, keys[callsToForEachCallback],
-            `IterableDoubleUnion: Should have the right key at ${callsToForEachCallback} calls to forEach callback`);
-         is(value, values[callsToForEachCallback],
-            `IterableDoubleUnion: Should have the right value at ${callsToForEachCallback} calls to forEach callback`);
-         is(this, thisArg,
-            "IterableDoubleUnion: Should have the right this value for forEach callback");
-         is(obj, itr,
-            "IterableSingle: Should have the right third arg for forEach callback");
-         ++callsToForEachCallback;
-       }, thisArg);
-       is(callsToForEachCallback, 2,
-          "IterableDoubleUnion: Should have right total number of calls to forEach callback");
-
-       var key = key_itr.next();
-       var value = value_itr.next();
-       var entry = entries_itr.next()
-       is(key.value, undefined, "IterableDoubleUnion: Key iterator value should be undefined");
-       is(key.done, true, "IterableDoubleUnion: Key iterator done should be true");
-       is(value.value, undefined, "IterableDoubleUnion: Value iterator value should be undefined");
-       is(value.done, true, "IterableDoubleUnion: Value iterator done should be true");
-       is(entry.value, undefined, "IterableDoubleUnion: Entry iterator value should be undefined");
-       is(entry.done, true, "IterableDoubleUnion: Entry iterator done should be true");
-       is(Object.prototype.toString.call(Object.getPrototypeOf(key_itr)),
-          "[object TestInterfaceIterableDoubleUnionIteratorPrototype]",
-          "iterator prototype should have the right brand");
-
-       SimpleTest.finish();
-     });
-    </script>
-  </body>
-</html>
diff --git a/dom/bindings/test/test_jsimplemented_eventhandler.html b/dom/bindings/test/test_jsimplemented_eventhandler.html
deleted file mode 100644
index 2854a3112..000000000
--- a/dom/bindings/test/test_jsimplemented_eventhandler.html
+++ /dev/null
@@ -1,47 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1186696
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 1186696</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 1186696 **/
-  SimpleTest.waitForExplicitFinish();
-
-  function doTest() {
-    var values = [ function() {}, 5, null, undefined, "some string", {} ];
-
-    while (values.length != 0) {
-      var value = values.pop();
-      var t = new TestInterfaceJS();
-      t.onsomething = value;
-      var gottenValue = t.onsomething;
-      if (typeof value == "object" || typeof value == "function") {
-        is(gottenValue, value, "Should get back the object-or-null we put in");
-      } else {
-        is(gottenValue, null, "Should get back null");
-      }
-    }
-
-    SimpleTest.finish();
-  }
-
-  SpecialPowers.pushPrefEnv({set: [['dom.expose_test_interfaces', true]]},
-                            doTest);
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1186696">Mozilla Bug 1186696</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_kill_longrunning_prerendered_content.xul b/dom/bindings/test/test_kill_longrunning_prerendered_content.xul
deleted file mode 100644
index d86b15ad9..000000000
--- a/dom/bindings/test/test_kill_longrunning_prerendered_content.xul
+++ /dev/null
@@ -1,85 +0,0 @@
-<?xml version="1.0"?>
-<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
-<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?>
-<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
-        xmlns:html="http://www.w3.org/1999/xhtml"
-        onload="runTest();">
-  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
-  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
-
-<script class="testbody" type="application/javascript">
-<![CDATA[
-
-  SimpleTest.waitForExplicitFinish();
-
-  function Listener(aBrowser, aPrerendered, aCallback) {
-    this.init(aBrowser, aPrerendered, aCallback);
-  }
-
-  Listener.prototype = {
-    init: function(aBrowser, aCallback) {
-      this.mBrowser = aBrowser;
-      this.mCallback = aCallback;
-    },
-    QueryInterface: function(aIID) {
-      if (aIID.equals(Components.interfaces.nsIWebProgressListener) ||
-          aIID.equals(Components.interfaces.nsISupportsWeakReference) ||
-          aIID.equals(Components.interfaces.nsISupports))
-        return this;
-      throw Components.results.NS_NOINTERFACE;
-    },
-    onStateChange : function(aWebProgress, aRequest, aStateFlags, aStatus) {
-      if ((aStateFlags & Components.interfaces.nsIWebProgressListener.STATE_STOP) &&
-          (aStateFlags & Components.interfaces.nsIWebProgressListener.STATE_IS_DOCUMENT)) {
-        setTimeout(this.mCallback, 0);
-      }
-    },
-    onProgressChange : function(aWebProgress, aRequest,
-                                aCurSelfProgress, aMaxSelfProgress,
-                                aCurTotalProgress, aMaxTotalProgress) {},
-    onLocationChange : function(aWebProgress, aRequest, aLocation, aFlags) {},
-    onStatusChange : function(aWebProgress, aRequest, aStatus, aMessage) {},
-    onSecurityChange : function(aWebProgress, aRequest, aState) {},
-    mBrowser: null,
-    mPrerendered: false,
-    mCallback: null
-  };
-
-  var progress, progressListener;
-
-  function runTest() {
-    SpecialPowers.pushPrefEnv({
-      "set": [
-        ["dom.max_script_run_time", 1]
-      ]
-    }, function() {
-      test(function() {
-        ok("The page is successfully interrupted.");
-        SimpleTest.finish();
-      });
-    });
-  }
-
-  function test(aCallback) {
-    var browser = document.getElementById("prerendered");;
-    progressListener = new Listener(browser, aCallback);
-    var docShell = browser.docShell;
-    progress = docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-                       .getInterface(Components.interfaces.nsIWebProgress);
-    progress.addProgressListener(progressListener,
-                                 Components.interfaces.nsIWebProgress.NOTIFY_ALL);
-    browser.loadURI("data:text/html,<script>;for(;;);</script" + ">");
-  }
-
-]]>
-</script>
-
-<body  id="html_body" xmlns="http://www.w3.org/1999/xhtml">
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1050456">Mozilla Bug 1050456</a>
-<p id="display"></p>
-
-<pre id="test">
-</pre>
-</body>
-<browser prerendered="true" id="prerendered"/>
-</window>
diff --git a/dom/bindings/test/test_lenientThis.html b/dom/bindings/test/test_lenientThis.html
deleted file mode 100644
index cfbdcebcd..000000000
--- a/dom/bindings/test/test_lenientThis.html
+++ /dev/null
@@ -1,27 +0,0 @@
-<!doctype html>
-<meta charset=utf-8>
-<title>[LenientThis]</title>
-<script src=/resources/testharness.js></script>
-<script src=/resources/testharnessreport.js></script>
-<div id=log></div>
-<script>
-function noop1() { }
-function noop2() { }
-
-test(function() {
-  var desc = Object.getOwnPropertyDescriptor(Document.prototype, "onreadystatechange");
-
-  document.onreadystatechange = noop1;
-  assert_equals(document.onreadystatechange, noop1, "document.onreadystatechange == noop1");
-  assert_equals(desc.get.call({ }), undefined, "document.onreadystatechange getter.call({}) == undefined");
-}, "invoking Document.onreadystatechange's getter with an invalid this object returns undefined");
-
-test(function() {
-  var desc = Object.getOwnPropertyDescriptor(Document.prototype, "onreadystatechange");
-
-  document.onreadystatechange = noop1;
-  assert_equals(document.onreadystatechange, noop1, "document.onreadystatechange == noop1");
-  assert_equals(desc.set.call({ }, noop2), undefined, "document.onreadystatechange setter.call({}) == undefined");
-  assert_equals(document.onreadystatechange, noop1, "document.onreadystatechange == noop1 (still)");
-}, "invoking Document.onreadystatechange's setter with an invalid this object does nothing and returns undefined");
-</script>
diff --git a/dom/bindings/test/test_lookupGetter.html b/dom/bindings/test/test_lookupGetter.html
deleted file mode 100644
index 306ee4f64..000000000
--- a/dom/bindings/test/test_lookupGetter.html
+++ /dev/null
@@ -1,49 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=462428
--->
-<head>
-  <title>Test for Bug 462428</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=462428">Mozilla Bug 462428</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-  
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 462428 **/
-var x = new XMLHttpRequest;
-x.open("GET", "");
-var getter = x.__lookupGetter__('readyState');
-ok(getter !== undefined, "But able to look it up the normal way");
-ok(!x.hasOwnProperty('readyState'), "property should still be on the prototype");
-
-var sawProp = false;
-for (var i in x) {
-    if (i === "readyState") {
-        sawProp = true;
-    }
-}
-
-ok(sawProp, "property should be enumerable");
-
-is(getter.call(x), 1, "the getter actually works");
-
-Object.getPrototypeOf(x).__defineSetter__('readyState', function() {});
-is(getter.call(x), 1, "the getter works after defineSetter");
-
-is(x.responseType, "", "Should have correct responseType up front");
-var setter = x.__lookupSetter__('responseType');
-setter.call(x, "document");
-is(x.responseType, "document", "the setter is bound correctly");
-
-</script>
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_namedNoIndexed.html b/dom/bindings/test/test_namedNoIndexed.html
deleted file mode 100644
index 205ec89f9..000000000
--- a/dom/bindings/test/test_namedNoIndexed.html
+++ /dev/null
@@ -1,36 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=808991
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 808991</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=808991">Mozilla Bug 808991</a>
-<p id="display"></p>
-<div id="content" style="display: none" data-1="foo" data-bar="baz">
-
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 808991 **/
-is($("content").dataset[1], "foo",
-   "Indexed props should work like named on dataset");
-is($("content").dataset["1"], "foo",
-   "Indexed props as strings should work like named on dataset");
-is($("content").dataset.bar, "baz",
-   "Named props should work on dataset");
-is($("content").dataset['bar'], "baz",
-   "Named props as strings should work on dataset");
-
-
-
-</script>
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_named_getter_enumerability.html b/dom/bindings/test/test_named_getter_enumerability.html
deleted file mode 100644
index 641f78ab2..000000000
--- a/dom/bindings/test/test_named_getter_enumerability.html
+++ /dev/null
@@ -1,40 +0,0 @@
-<!DOCTYPE html>
-<meta charset=utf-8>
-<title>Test for named getter enumerability</title>
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<div id="log"></div>
-<script>
-test(function() {
-  var list = document.getElementsByTagName("div");
-  var desc = Object.getOwnPropertyDescriptor(list, "0");
-  assert_equals(typeof desc, "object", "Should have a '0' property");
-  assert_true(desc.enumerable, "'0' property should be enumerable");
-  desc = Object.getOwnPropertyDescriptor(list, "log");
-  assert_equals(typeof desc, "object", "Should have a 'log' property");
-  assert_false(desc.enumerable, "'log' property should not be enumerable");
-}, "Correct getOwnPropertyDescriptor behavior");
-test(function() {
-  var list = document.getElementsByTagName("div");
-  props = [];
-  for (var prop in list) {
-    props.push(prop);
-  }
-  assert_not_equals(props.indexOf("0"), -1, "Should enumerate '0'");
-  assert_equals(props.indexOf("log"), -1, "Should not enumerate 'log'");
-}, "Correct enumeration behavior");
-test(function() {
-  var list = document.getElementsByTagName("div");
-  props = Object.keys(list)
-  assert_not_equals(props.indexOf("0"), -1, "Keys should contain '0'");
-  assert_equals(props.indexOf("log"), -1, "Keys should not contain 'log'");
-}, "Correct keys() behavior");
-test(function() {
-  var list = document.getElementsByTagName("div");
-  props = Object.getOwnPropertyNames(list)
-  assert_not_equals(props.indexOf("0"), -1,
-                    "own prop names should contain '0'");
-  assert_not_equals(props.indexOf("log"), -1,
-                    "own prop names should contain 'log'");
-}, "Correct getOwnPropertyNames() behavior");
-</script>
diff --git a/dom/bindings/test/test_oom_reporting.html b/dom/bindings/test/test_oom_reporting.html
deleted file mode 100644
index 7323736e5..000000000
--- a/dom/bindings/test/test_oom_reporting.html
+++ /dev/null
@@ -1,42 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug </title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug  **/
-  SimpleTest.waitForExplicitFinish();
-
-  SimpleTest.expectUncaughtException();
-  setTimeout(function() {
-    SpecialPowers.Cu.getJSTestingFunctions().throwOutOfMemory();
-  }, 0);
-
-  addEventListener("error", function(e) {
-    is(e.type, "error", "Should have an error event");
-    is(e.message, "uncaught exception: out of memory",
-       "Should have the right error message");
-    // Make sure we finish async, in case the expectUncaughtException assertion
-    // about having seen the exception runs after our listener
-    SimpleTest.executeSoon(SimpleTest.finish);
-  });
-
-
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">Mozilla Bug </a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_primitive_this.html b/dom/bindings/test/test_primitive_this.html
deleted file mode 100644
index d2b733dff..000000000
--- a/dom/bindings/test/test_primitive_this.html
+++ /dev/null
@@ -1,45 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=603201
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 603201</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 603201 **/
-
-  SimpleTest.waitForExplicitFinish();
-  function runTest()
-  {
-    var nodes = document.body.childNodes;
-
-    Object.setPrototypeOf(Number.prototype, nodes);
-
-    Object.defineProperty(nodes, "getter", {get: function() {
-      "use strict";
-      is(this, 1);
-      return "getter";
-    }});
-    Object.defineProperty(Object.getPrototypeOf(nodes), "getter2", {get: function() {
-      "use strict";
-      is(this, 1);
-      return "getter2";
-    }});
-
-    var number = 1;
-    is(number.getter, "getter");
-    is(number.getter2, "getter2");
-
-    SimpleTest.finish();
-  }
-
-  </script>
-</head>
-<body onload="runTest();">
-<pre>Test</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_promise_rejections_from_jsimplemented.html b/dom/bindings/test/test_promise_rejections_from_jsimplemented.html
deleted file mode 100644
index 68de079ed..000000000
--- a/dom/bindings/test/test_promise_rejections_from_jsimplemented.html
+++ /dev/null
@@ -1,143 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1107592
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 1107592</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 1107592 **/
-
-  SimpleTest.waitForExplicitFinish();
-
-  function checkExn(lineNumber, name, message, code, filename, testNumber, stack, exn) {
-    is(exn.lineNumber, lineNumber,
-       "Should have the right line number in test " + testNumber);
-    is(exn.name, name,
-       "Should have the right exception name in test " + testNumber);
-    is("filename" in exn ? exn.filename : exn.fileName, filename,
-       "Should have the right file name in test " + testNumber);
-    is(exn.message, message,
-       "Should have the right message in test " + testNumber);
-    is(exn.code, code, "Should have the right .code in test " + testNumber);
-    if (message === "") {
-      is(exn.name, "InternalError",
-         "Should have one of our synthetic exceptions in test " + testNumber);
-    }
-    is(exn.stack, stack, "Should have the right stack in test " + testNumber);
-  }
-
-  function ensurePromiseFail(testNumber, value) {
-    ok(false, "Test " + testNumber + " should not have a fulfilled promise");
-  }
-
-  function doTest() {
-    var t = new TestInterfaceJS();
-    /* Async parent frames from pushPrefEnv don't show up in e10s.  */
-    var isE10S = !SpecialPowers.isMainProcess();
-    var asyncStack = SpecialPowers.getBoolPref("javascript.options.asyncstack");
-    var ourFile = location.href;
-    var unwrapError = "Promise rejection value is a non-unwrappable cross-compartment wrapper.";
-    var parentFrame = (asyncStack && !isE10S) ? `Async*@${ourFile}:130:3
-` : "";
-
-    Promise.all([
-      t.testPromiseWithThrowingChromePromiseInit().then(
-          ensurePromiseFail.bind(null, 1),
-          checkExn.bind(null, 49, "InternalError", unwrapError,
-                        undefined, ourFile, 1,
-                        `doTest@${ourFile}:49:7
-` +
-                        parentFrame)),
-      t.testPromiseWithThrowingContentPromiseInit(function() {
-          thereIsNoSuchContentFunction1();
-        }).then(
-          ensurePromiseFail.bind(null, 2),
-          checkExn.bind(null, 57, "ReferenceError",
-                        "thereIsNoSuchContentFunction1 is not defined",
-                        undefined, ourFile, 2,
-                        `doTest/<@${ourFile}:57:11
-doTest@${ourFile}:56:7
-` +
-                        parentFrame)),
-      t.testPromiseWithThrowingChromeThenFunction().then(
-          ensurePromiseFail.bind(null, 3),
-          checkExn.bind(null, 0, "InternalError", unwrapError, undefined, "", 3, asyncStack ? (`Async*doTest@${ourFile}:67:7
-` +
-                        parentFrame) : "")),
-      t.testPromiseWithThrowingContentThenFunction(function() {
-          thereIsNoSuchContentFunction2();
-        }).then(
-          ensurePromiseFail.bind(null, 4),
-          checkExn.bind(null, 73, "ReferenceError",
-                        "thereIsNoSuchContentFunction2 is not defined",
-                        undefined, ourFile, 4,
-                        `doTest/<@${ourFile}:73:11
-` +
-                        (asyncStack ? `Async*doTest@${ourFile}:72:7
-` : "") +
-                        parentFrame)),
-      t.testPromiseWithThrowingChromeThenable().then(
-          ensurePromiseFail.bind(null, 5),
-          checkExn.bind(null, 0, "InternalError", unwrapError, undefined, "", 5, asyncStack ? (`Async*doTest@${ourFile}:84:7
-` +
-                        parentFrame) : "")),
-      t.testPromiseWithThrowingContentThenable({
-            then: function() { thereIsNoSuchContentFunction3(); }
-        }).then(
-          ensurePromiseFail.bind(null, 6),
-          checkExn.bind(null, 90, "ReferenceError",
-                        "thereIsNoSuchContentFunction3 is not defined",
-                        undefined, ourFile, 6,
-                        `then@${ourFile}:90:32
-` + (asyncStack ? `Async*doTest@${ourFile}:89:7\n` + parentFrame : ""))),
-      t.testPromiseWithDOMExceptionThrowingPromiseInit().then(
-          ensurePromiseFail.bind(null, 7),
-          checkExn.bind(null, 98, "NotFoundError",
-                        "We are a second DOMException",
-                        DOMException.NOT_FOUND_ERR, ourFile, 7,
-                        `doTest@${ourFile}:98:7
-` +
-                        parentFrame)),
-      t.testPromiseWithDOMExceptionThrowingThenFunction().then(
-          ensurePromiseFail.bind(null, 8),
-          checkExn.bind(null, asyncStack ? 106 : 0, "NetworkError",
-                         "We are a third DOMException",
-                        DOMException.NETWORK_ERR, asyncStack ? ourFile : "", 8,
-                        (asyncStack ? `Async*doTest@${ourFile}:106:7
-` +
-                         parentFrame : ""))),
-      t.testPromiseWithDOMExceptionThrowingThenable().then(
-          ensurePromiseFail.bind(null, 9),
-          checkExn.bind(null, asyncStack ? 114 : 0, "TypeMismatchError",
-                        "We are a fourth DOMException",
-                        DOMException.TYPE_MISMATCH_ERR,
-                        asyncStack ? ourFile : "", 9,
-                        (asyncStack ? `Async*doTest@${ourFile}:114:7
-` +
-                         parentFrame : ""))),
-    ]).then(SimpleTest.finish,
-            function(err) {
-              ok(false, "One of our catch statements totally failed with err" + err + ', stack: ' + (err ? err.stack : ''));
-              SimpleTest.finish();
-            });
-  }
-
-  SpecialPowers.pushPrefEnv({set: [['dom.expose_test_interfaces', true]]},
-                            doTest);
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1107592">Mozilla Bug 1107592</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_proxies_via_xray.html b/dom/bindings/test/test_proxies_via_xray.html
deleted file mode 100644
index 59affe6c0..000000000
--- a/dom/bindings/test/test_proxies_via_xray.html
+++ /dev/null
@@ -1,99 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1021066
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 1021066</title>
-  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1021066">Mozilla Bug 1021066</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-<iframe id="t" src="http://example.org/tests/dom/bindings/test/file_proxies_via_xray.html"></iframe>
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 1021066 **/
-
-function test()
-{
-  "use strict"; // So we'll get exceptions on sets
-  var doc = document.getElementById("t").contentWindow.document;
-  ok(!("x" in doc), "Should have an Xray here");
-  is(doc.x, undefined, "Really should have an Xray here");
-  is(doc.wrappedJSObject.x, 5, "And wrapping the right thing");
-
-  // Test overridebuiltins binding without named setter
-  is(doc.y, doc.getElementById("y"),
-     "Named getter should work on Document");
-  try {
-    doc.z = 5;
-    ok(false, "Should have thrown on set of readonly property on Document");
-  } catch (e) {
-    ok(/read-only/.test(e.message),
-       "Threw the right exception on set of readonly property on Document");
-  }
-
-  doc.w = 5;
-  is(doc.w, 5, "Should be able to set things that are not named props");
-
-  // Test non-overridebuiltins binding without named setter
-  var l = doc.getElementsByTagName("img");
-  is(l.y, doc.getElementById("y"),
-     "Named getter should work on HTMLCollection");
-  try {
-    l.z = 5;
-    ok(false, "Should have thrown on set of readonly property on HTMLCollection");
-  } catch (e) {
-    ok(/read-only/.test(e.message),
-       "Should throw the right exception on set of readonly property on HTMLCollection");
-  }
-  try {
-    l[10] = 5;
-    ok(false, "Should have thrown on set of indexed property on HTMLCollection");
-  } catch (e) {
-    ok(/doesn't have an indexed property setter/.test(e.message),
-       "Should throw the right exception on set of indexed property on HTMLCollection");
-  }
-
-  // Test overridebuiltins binding with named setter
-  var d = doc.documentElement.dataset;
-  d.foo = "bar";
-  // Check that this actually got passed on to the underlying object.
-  is(d.wrappedJSObject.foo, "bar",
-     "Set should get forwarded to the underlying object");
-  is(doc.documentElement.getAttribute("data-foo"), "bar",
-     "Attribute setter should have been called");
-  d.foo = "baz";
-  // Check that this actually got passed on to the underlying object.
-  is(d.wrappedJSObject.foo, "baz",
-     "Set should get forwarded to the underlying object again");
-  is(doc.documentElement.getAttribute("data-foo"), "baz",
-     "Attribute setter should have been called again");
-
-  // Test non-overridebuiltins binding with named setter
-  var s = doc.defaultView.localStorage;
-  s["test_proxies_via_xray"] = "bar";
-  // Check that this actually got passed on to the underlying object.
-  is(s.wrappedJSObject["test_proxies_via_xray"], "bar",
-     "Set should get forwarded to the underlying object without overridebuiltins");
-  s["test_proxies_via_xray"] = "baz";
-  // Check that this actually got passed on to the underlying object.
-  is(s.wrappedJSObject["test_proxies_via_xray"], "baz",
-     "Set should get forwarded to the underlying object again without overridebuiltins");
-
-  SimpleTest.finish();
-}
-
-SimpleTest.waitForExplicitFinish();
-addLoadEvent(test);
-
-</script>
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_queryInterface.html b/dom/bindings/test/test_queryInterface.html
deleted file mode 100644
index 076bf9e7d..000000000
--- a/dom/bindings/test/test_queryInterface.html
+++ /dev/null
@@ -1,41 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=827546
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 827546</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 827546 **/
-
-  var notEditable = document.createElement("div");
-  var thrown;
-  try {
-    thrown = false;
-    SpecialPowers.do_QueryInterface(notEditable, "nsIDOMNSEditableElement");
-  } catch (e) {
-    thrown = true;
-  }
-  ok(thrown,
-     "QI to nsIDOMNSEditableElement on a non-editable element should fail");
-
-  var editable = document.createElement("input");
-  ok(SpecialPowers.do_QueryInterface(editable, "nsIDOMNSEditableElement"),
-     "Editable element needs to support QI to nsIDOMNSEditableElement");
-
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=827546">Mozilla Bug 827546</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_returnUnion.html b/dom/bindings/test/test_returnUnion.html
deleted file mode 100644
index 5be10ba3c..000000000
--- a/dom/bindings/test/test_returnUnion.html
+++ /dev/null
@@ -1,59 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1048659
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 1048659</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for returning unions from JS-implemented WebIDL. **/
-  SimpleTest.waitForExplicitFinish();
-  SpecialPowers.pushPrefEnv({set: [['dom.expose_test_interfaces', true]]}, go);
-
-  function go() {
-    var t = new TestInterfaceJS();
-    var t2 = new TestInterfaceJS();
-
-    is(t.pingPongUnion(t2), t2, "ping pong union for left case should be identity");
-    is(t.pingPongUnion(12), 12, "ping pong union for right case should be identity");
-
-    is(t.pingPongUnionContainingNull("this is not a string"), "this is not a string",
-      "ping pong union containing union for left case should be identity");
-    is(t.pingPongUnionContainingNull(null), null,
-      "ping pong union containing null for right case null should be identity");
-    is(t.pingPongUnionContainingNull(t2), t2,
-      "ping pong union containing null for right case should be identity");
-
-    is(t.pingPongNullableUnion(t2), t2, "ping pong nullable union for left case should be identity");
-    is(t.pingPongNullableUnion(12), 12, "ping pong nullable union for right case should be identity");
-    is(t.pingPongNullableUnion(null), null, "ping pong nullable union for null case should be identity");
-
-    var rejectedBadUnion = false;
-    var result = null;
-    try {
-      result = t.returnBadUnion();
-    } catch (e) {
-      rejectedBadUnion = true;
-    }
-    is(result, null, "bad union should not set a value for result");
-    ok(rejectedBadUnion, "bad union should throw an exception");
-
-    SimpleTest.finish();
-  }
-
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1048659">Mozilla Bug 1048659</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_sequence_detection.html b/dom/bindings/test/test_sequence_detection.html
deleted file mode 100644
index 80dfac4db..000000000
--- a/dom/bindings/test/test_sequence_detection.html
+++ /dev/null
@@ -1,53 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1066432
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 1066432</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 1066432 **/
-  SimpleTest.waitForExplicitFinish();
-  SpecialPowers.pushPrefEnv({set: [['dom.expose_test_interfaces', true]]}, function() {
-    var testInterfaceJS = new TestInterfaceJS();
-    ok(testInterfaceJS, "got a TestInterfaceJS object");
-
-    var nonIterableObject = {[Symbol.iterator]: 5};
-
-    try {
-      testInterfaceJS.testSequenceOverload(nonIterableObject);
-      ok(false, "Should have thrown in the overload case");  // see long comment above!
-    } catch (e) {
-      is(e.name, "TypeError", "Should get a TypeError for the overload case");
-      ok(e.message.includes("not iterable"),
-         "Should have a message about being non-iterable in the overload case");
-    }
-
-    try {
-      testInterfaceJS.testSequenceUnion(nonIterableObject);
-      ok(false, "Should have thrown in the union case");
-    } catch (e) {
-      is(e.name, "TypeError", "Should get a TypeError for the union case");
-      ok(e.message.includes("not iterable"),
-         "Should have a message about being non-iterable in the union case");
-    }
-
-    SimpleTest.finish();
-  });
-
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1066432">Mozilla Bug 1066432</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_sequence_wrapping.html b/dom/bindings/test/test_sequence_wrapping.html
deleted file mode 100644
index 7132e5601..000000000
--- a/dom/bindings/test/test_sequence_wrapping.html
+++ /dev/null
@@ -1,59 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=775852
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 775852</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=775852">Mozilla Bug 775852</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-  <canvas width="1" height="1" id="c"></canvas>
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 775852 **/
-function doTest() {
-  var gl = $("c").getContext("experimental-webgl");
-  if (!gl) {
-    // No WebGL support on MacOS 10.5.  Just skip this test
-    todo(false, "WebGL not supported");
-    return;
-  }
-  var setterCalled = false;
-
-  extLength = gl.getSupportedExtensions().length;
-  ok(extLength > 0,
-     "This test won't work right if we have no supported extensions");
-
-  Object.defineProperty(Array.prototype, "0",
-    {
-      set: function(val) {
-             setterCalled = true;
-           }
-    });
-
-  // Test that our property got defined correctly
-  var arr = []
-  arr[0] = 5;
-  is(setterCalled, true, "Setter should be called when setting prop on array");
-
-  setterCalled = false;
-
-  is(gl.getSupportedExtensions().length, extLength,
-     "We should still have the same number of extensions");
-
-  is(setterCalled, false,
-     "Setter should not be called when getting supported extensions");
-}
-doTest();
-</script>
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_setWithNamedGetterNoNamedSetter.html b/dom/bindings/test/test_setWithNamedGetterNoNamedSetter.html
deleted file mode 100644
index 52f56151d..000000000
--- a/dom/bindings/test/test_setWithNamedGetterNoNamedSetter.html
+++ /dev/null
@@ -1,40 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1043690
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 1043690</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1043690">Mozilla Bug 1043690</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-<form>
-  <input name="action">
-</form>
-</div>
-  <script type="application/javascript">
-
-  /** Test for Bug 1043690 **/
-  var f = document.querySelector("form");
-  var i = document.querySelector("input");
-  is(f.getAttribute("action"), null, "Should have no action attribute");
-  is(f.action, i, "form.action should be the input");
-  f.action = "http://example.org";
-  is(f.getAttribute("action"), "http://example.org",
-     "Should have an action attribute now");
-  is(f.action, i, "form.action should still be the input");
-  i.remove();
-  is(f.action, "http://example.org/",
-     "form.action should no longer be shadowed");
-
-
-  </script>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_stringBindings.html b/dom/bindings/test/test_stringBindings.html
deleted file mode 100644
index 1895b0342..000000000
--- a/dom/bindings/test/test_stringBindings.html
+++ /dev/null
@@ -1,59 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1334537
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 1334537</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 1334537 **/
-  SimpleTest.waitForExplicitFinish();
-
-  function go() {
-    // Need a new global that will pick up our pref.
-    var ifr = document.createElement("iframe");
-    document.body.appendChild(ifr);
-
-    var t = new ifr.contentWindow.TestFunctions();
-    var testString = "abcdefghijklmnopqrstuvwxyz";
-    const substringLength = 10;
-    var shortTestString = testString.substring(0, substringLength);
-
-    t.setStringData(testString);
-    // Note: we want to do all our gets before we start running code we don't
-    // control inside the test harness, if we really want to exercise the string
-    // cache in controlled ways.
-
-    var asShortDOMString = t.getStringDataAsDOMString(substringLength);
-    var asFullDOMString = t.getStringDataAsDOMString();
-    var asShortAString = t.getStringDataAsAString(substringLength);
-    var asAString = t.getStringDataAsAString();
-
-    is(asShortAString, shortTestString, "Short DOMString should be short");
-    is(asFullDOMString, testString, "Full DOMString should be test string");
-    is(asShortAString, shortTestString, "Short AString should be short");
-    is(asAString, testString, "Full AString should be test string");
-
-    SimpleTest.finish();
-  }
-
-  addLoadEvent(function() {
-    SpecialPowers.pushPrefEnv({set: [['dom.expose_test_interfaces', true]]},
-                              go);
-  });
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1334537">Mozilla Bug 1334537</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_throwing_method_noDCE.html b/dom/bindings/test/test_throwing_method_noDCE.html
deleted file mode 100644
index e952819a8..000000000
--- a/dom/bindings/test/test_throwing_method_noDCE.html
+++ /dev/null
@@ -1,27 +0,0 @@
-<!DOCTYPE html>
-<meta charset=utf-8>
-<title>Test that we don't DCE functions that can throw</title>
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<div id="log"></div>
-<script>
-test(function() {
-  function test(root) {
-    var threw = false;
-    try {
-        root.querySelectorAll("");
-    } catch(e){ threw = true; };
-    // Hot loop to make sure the JIT heuristics ion-compile this function even
-    // though it's throwing exceptions (which would normally make us back off
-    // of ion compilation).
-    for (var i=0; i<1500; i++) {}
-    return threw;
-  }
-
-  var threw = false;
-  var el = document.createElement("div");
-  for (var i=0; i<200; i++)
-      threw = test(el);
-  assert_true(threw);
-}, "Shouldn't optimize away throwing functions");
-</script>
diff --git a/dom/bindings/test/test_traceProtos.html b/dom/bindings/test/test_traceProtos.html
deleted file mode 100644
index 17a5cb96d..000000000
--- a/dom/bindings/test/test_traceProtos.html
+++ /dev/null
@@ -1,37 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=744772
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 744772</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=744772">Mozilla Bug 744772</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-  
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 744772 **/
-
-SimpleTest.waitForExplicitFinish();
-
-function callback() {
-  new XMLHttpRequest().upload;
-  ok(true, "Accessing unreferenced DOM interface objects shouldn't crash");
-  SimpleTest.finish();
-}
-
-delete window.XMLHttpRequestUpload;
-SpecialPowers.exactGC(callback);
-
-</script>
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_treat_non_object_as_null.html b/dom/bindings/test/test_treat_non_object_as_null.html
deleted file mode 100644
index fbb6ceb66..000000000
--- a/dom/bindings/test/test_treat_non_object_as_null.html
+++ /dev/null
@@ -1,39 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=952365
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 952365</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 952365 **/
-
-    var onvolumechange;
-    var x = {};
-    
-    (function() {
-       onvolumechange = x;
-       is(onvolumechange, x,
-          "Should preserve an object value when assigning to event handler");
-       // Test that we don't try to actually call the non-callable object
-       window.dispatchEvent(new Event("volumechange"));
-       onvolumechange = 5;
-       is(onvolumechange, null,
-          "Non-object values should become null when assigning to event handler");
-    })();
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=952365">Mozilla Bug 952365</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/bindings/test/test_unforgeablesonexpando.html b/dom/bindings/test/test_unforgeablesonexpando.html
deleted file mode 100644
index 419e6ac7d..000000000
--- a/dom/bindings/test/test_unforgeablesonexpando.html
+++ /dev/null
@@ -1,18 +0,0 @@
-<!DOCTYPE html>
-<meta charset=utf-8>
-<title>Test for making sure named getters don't override the unforgeable location on HTMLDocument</title>
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<div id="log"></div>
-<img name="location">
-<script>
-test(function() {
-  assert_equals(document.location, window.location,
-                'The <img name="location"> should not override the location getter');
-}, "document.location is the right thing");
-test(function() {
-  var doc = new DOMParser().parseFromString("<img name='location'>", "text/html");
-  assert_equals(doc.location, null,
-                'The <img name="location"> should not override the location getter on a data document');
-}, "document.location is the right thing on non-rendered document");
-</script>
diff --git a/dom/bindings/test/test_usvstring.html b/dom/bindings/test/test_usvstring.html
deleted file mode 100644
index cbb1e7971..000000000
--- a/dom/bindings/test/test_usvstring.html
+++ /dev/null
@@ -1,41 +0,0 @@
-<!-- Any copyright is dedicated to the Public Domain.
-   - http://creativecommons.org/publicdomain/zero/1.0/ -->
-<!DOCTYPE HTML>
-<html>
-<head>
-  <title>Test USVString</title>
-  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
-</head>
-<body>
-<script class="testbody" type="application/javascript">
-SimpleTest.waitForExplicitFinish();
-SpecialPowers.pushPrefEnv({set: [['dom.expose_test_interfaces', true]]}, function() {
-  var testInterfaceJS = new TestInterfaceJS();
-  ok(testInterfaceJS, "got a TestInterfaceJS object");
-  // For expected values, see algorithm definition here:
-  //  http://heycam.github.io/webidl/#dfn-obtain-unicode
-  var testList = [
-    { string:   "foo",
-      expected: "foo" },
-    { string:   "This is U+2070E: \ud841\udf0e",
-      expected: "This is U+2070E: \ud841\udf0e" },
-    { string:   "Missing low surrogate: \ud841",
-      expected: "Missing low surrogate: \ufffd" },
-    { string:   "Missing low surrogate with trailer: \ud841!!",
-      expected: "Missing low surrogate with trailer: \ufffd!!" },
-    { string:   "Missing high surrogate: \udf0e",
-      expected: "Missing high surrogate: \ufffd" },
-    { string:   "Missing high surrogate with trailer: \udf0e!!",
-      expected: "Missing high surrogate with trailer: \ufffd!!" },
-    { string:   "U+2070E after malformed: \udf0e\ud841\udf0e",
-      expected: "U+2070E after malformed: \ufffd\ud841\udf0e" }
-  ];
-  testList.forEach(function(test) {
-    is(testInterfaceJS.convertSVS(test.string), test.expected, "Convert '" + test.string + "'");
-  });
-  SimpleTest.finish();
-});
-</script>
-</body>
-</html>
diff --git a/dom/bindings/test/test_worker_UnwrapArg.html b/dom/bindings/test/test_worker_UnwrapArg.html
deleted file mode 100644
index 1331a83f4..000000000
--- a/dom/bindings/test/test_worker_UnwrapArg.html
+++ /dev/null
@@ -1,58 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1127206
--->
-<head>
-  <meta charset="utf-8">
-  <title>Test for Bug 1127206</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <script type="application/javascript">
-
-  /** Test for Bug 1127206 **/
-  SimpleTest.waitForExplicitFinish();
-  var blob = new Blob([
-    `try { new File({}); }
-     catch (e) {
-       postMessage("throwing on random object");
-     }
-     try { new File(new Blob(["abc"])); }
-     catch (e)  {
-       postMessage("throwing on Blob");
-     }
-     try { new File("abc"); }
-     catch (e) {
-       postMessage("throwing on string");
-     }
-     postMessage('finishTest')`]);
-  var url = URL.createObjectURL(blob);
-  var w = new Worker(url);
-  var expectedResults = [
-    "throwing on random object",
-    "throwing on Blob",
-    "throwing on string",
-  ];
-  var curIndex = 0;
-  w.onmessage = function(e) {
-    if (curIndex == expectedResults.length) {
-      is(e.data, "finishTest", "What message is this?");
-      SimpleTest.finish();
-    } else {
-      is(e.data, expectedResults[curIndex],
-         "Message " + (curIndex+1) + " should be correct");
-      ++curIndex;
-    }
-  }
-  </script>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1127206">Mozilla Bug 1127206</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-</pre>
-</body>
-</html>
diff --git a/dom/media/gtest/moz.build b/dom/media/gtest/moz.build
index ae059962c..a7ea73807 100644
--- a/dom/media/gtest/moz.build
+++ b/dom/media/gtest/moz.build
@@ -28,11 +28,6 @@ UNIFIED_SOURCES += [
     'TestWebMBuffered.cpp',
 ]
 
-if CONFIG['MOZ_EME']:
-    UNIFIED_SOURCES += [
-        'TestEME.cpp',
-    ]
-
 if CONFIG['MOZ_WEBM_ENCODER']:
     UNIFIED_SOURCES += [
         'TestVideoTrackEncoder.cpp',
diff --git a/dom/media/webaudio/gtest/TestAudioEventTimeline.cpp b/dom/media/webaudio/gtest/TestAudioEventTimeline.cpp
index cc731d3e2..661b6cbd2 100644
--- a/dom/media/webaudio/gtest/TestAudioEventTimeline.cpp
+++ b/dom/media/webaudio/gtest/TestAudioEventTimeline.cpp
@@ -9,17 +9,6 @@
 #include <limits>
 #include "gtest/gtest.h"
 
-// Mock the MediaStream class
-namespace mozilla {
-class MediaStream
-{
-  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(MediaStream)
-private:
-  ~MediaStream() {
-  };
-};
-}
-
 using namespace mozilla;
 using namespace mozilla::dom;
 using std::numeric_limits;
diff --git a/dom/plugins/test/mochitest/mochitest.ini b/dom/plugins/test/mochitest/mochitest.ini
index 0e8587f34..64aefcd12 100644
--- a/dom/plugins/test/mochitest/mochitest.ini
+++ b/dom/plugins/test/mochitest/mochitest.ini
@@ -23,7 +23,6 @@ support-files =
   pluginstream.js
   post.sjs
   plugin-utils.js
-  !/toolkit/components/passwordmgr/test/authenticate.sjs
 
 [test_bug406541.html]
 [test_bug532208.html]
diff --git a/dom/tests/mochitest/webcomponents/mochitest.ini b/dom/tests/mochitest/webcomponents/mochitest.ini
index 84322d21d..428cc0e73 100644
--- a/dom/tests/mochitest/webcomponents/mochitest.ini
+++ b/dom/tests/mochitest/webcomponents/mochitest.ini
@@ -22,19 +22,14 @@ skip-if = true || stylo # disabled - See bug 1390396 and 1293844
 [test_custom_element_when_defined.html]
 [test_custom_element_uncatchable_exception.html]
 skip-if = !debug # TestFunctions only applied in debug builds
-[test_custom_element_define.html]
-[test_custom_element_define_parser.html]
-[test_custom_element_template.html]
 [test_detached_style.html]
 [test_document_adoptnode.html]
 [test_document_importnode.html]
 [test_document_register.html]
 [test_document_register_lifecycle.html]
 skip-if = true # disabled - See bug 1390396
-[test_document_register_parser.html]
 [test_document_register_stack.html]
 skip-if = true # disabled - See bug 1390396
-[test_document_shared_registry.html]
 [test_event_retarget.html]
 [test_event_stopping.html]
 [test_template.html]