bindings: Use an alias for @@iterator in certain declarations.

third_party/WebKit/Source/core/css/FontFaceSet.h

 /*
  * Copyright (C) 2013 Google 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 34 matching lines @@
 #endif
 
 namespace blink {
 
 class CSSFontSelector;
 class ExceptionState;
 class Font;
 class FontFaceCache;
 class ExecutionContext;
 
-using FontFaceSetIterable = PairIterable<Member<FontFace>, Member<FontFace>>;
+using FontFaceSetIterable = SetlikeIterable<Member<FontFace>>;
 
 class CORE_EXPORT FontFaceSet final : public EventTargetWithInlineData,
                                       public Supplement<Document>,
                                       public SuspendableObject,
                                       public FontFaceSetIterable,
                                       public FontFace::LoadFontCallback {
   USING_GARBAGE_COLLECTED_MIXIN(FontFaceSet);
   DEFINE_WRAPPERTYPEINFO();
   WTF_MAKE_NONCOPYABLE(FontFaceSet);
 
@@ skipping 43 matching lines @@
 
   void AddFontFacesToFontFaceCache(FontFaceCache*, CSSFontSelector*);
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
   static FontFaceSet* Create(Document& document) {
     return new FontFaceSet(document);
   }
 
+  // Iterable overrides.
   FontFaceSetIterable::IterationSource* StartIteration(
       ScriptState*,
       ExceptionState&) override;
 
   class IterationSource final : public FontFaceSetIterable::IterationSource {
    public:
     explicit IterationSource(const HeapVector<Member<FontFace>>& font_faces)
         : index_(0), font_faces_(font_faces) {}
     bool Next(ScriptState*,
               Member<FontFace>&,
@@ skipping 53 matching lines @@
   HeapListHashSet<Member<FontFace>> non_css_connected_faces_;
 
   Member<AsyncMethodRunner<FontFaceSet>> async_runner_;
 
   FontLoadHistogram histogram_;
 };
 
 }  // namespace blink
 
 #endif  // FontFaceSet_h