Add keys(), values() and entries() methods on iterable<> interfaces

Source/core/testing/Internals.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 15 matching lines @@
 
 #ifndef Internals_h
 #define Internals_h
 
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/css/CSSComputedStyleDeclaration.h"
 #include "core/dom/ContextLifecycleObserver.h"
+#include "core/dom/Iterable.h"
 #include "core/page/scrolling/ScrollingCoordinator.h"
 #include "platform/heap/Handle.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class CanvasRenderingContext2D;
 class ClientRect;
@@ skipping 20 matching lines @@
 class PluginPlaceholderOptions;
 class PrivateScriptTest;
 class Range;
 class SerializedScriptValue;
 class ShadowRoot;
 class TypeConversions;
 class UnionTypesTest;
 template <typename NodeType> class StaticNodeTypeList;
 typedef StaticNodeTypeList<Node> StaticNodeList;
 
-class Internals final : public GarbageCollectedFinalized<Internals>, public ScriptWrappable, public ContextLifecycleObserver {
+class Internals final : public GarbageCollectedFinalized<Internals>, public ScriptWrappable, public ContextLifecycleObserver, public ValueIterable<int> {
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(Internals);
 public:
     static Internals* create(Document*);
     virtual ~Internals();
 
     static void resetToConsistentState(Page*);
 
     String elementRenderTreeAsText(Element*, ExceptionState&);
 
@@ skipping 244 matching lines @@
     PassRefPtrWillBeRawPtr<ClientRectList> getTransitionElementRects();
     void hideAllTransitionElements();
     void showAllTransitionElements();
     void setExitTransitionStylesheetsEnabled(bool);
 
     unsigned countHitRegions(CanvasRenderingContext2D*);
 
     void forcePluginPlaceholder(HTMLElement* plugin, PassRefPtrWillBeRawPtr<DocumentFragment>, ExceptionState&);
     void forcePluginPlaceholder(HTMLElement* plugin, const PluginPlaceholderOptions&, ExceptionState&);
 
-    Iterator* iterator(ScriptState*, ExceptionState&);
-
     // Scheudle a forced Blink GC run (Oilpan) at the end of event loop.
     // Note: This is designed to be only used from PerformanceTests/BlinkGC to explicitly measure only Blink GC time.
     //       Normal LayoutTests should use gc() instead as it would trigger both Blink GC and V8 GC.
     void forceBlinkGCWithoutV8GC();
 
 private:
     explicit Internals(Document*);
     Document* contextDocument() const;
     LocalFrame* frame() const;
     Vector<String> iconURLs(Document*, int iconTypesMask) const;
     PassRefPtrWillBeRawPtr<ClientRectList> annotatedRegions(Document*, bool draggable, ExceptionState&);
 
     DocumentMarker* markerAt(Node*, const String& markerType, unsigned index, ExceptionState&);
     Member<InternalRuntimeFlags> m_runtimeFlags;
+
+    IterationSource* startIteration(ScriptState*, ExceptionState&) override;
 };
 
 } // namespace blink
 
 #endif // Internals_h