binding: Removes Document::wrap that must be equivalent to Node::wrap. (2nd try)

third_party/WebKit/Source/bindings/core/v8/WindowProxy.h

 /*
  * Copyright (C) 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 26 matching lines @@
 #include "platform/heap/Handle.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "wtf/HashMap.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/AtomicString.h"
 #include <v8.h>
 
 namespace blink {
 
+class Document;
 class Frame;
 class HTMLDocument;
 class SecurityOrigin;
 
 // WindowProxy represents all the per-global object state for a Frame that
 // persist between navigations.
 class WindowProxy final : public GarbageCollectedFinalized<WindowProxy> {
  public:
   static WindowProxy* create(v8::Isolate*, Frame*, DOMWrapperWorld&);
 
@@ skipping 52 matching lines @@
   // Creates a new v8::Context with the window wrapper object as the global
   // object (aka the inner global).  Note that the window wrapper and its
   // prototype chain do not get fully initialized yet, e.g. the window
   // wrapper is not yet associated with the native DOMWindow object.
   void createContext();
 
   // Associates the window wrapper and its prototype chain with the native
   // DOMWindow object.  Also does some more Window-specific initialization.
   bool setupWindowPrototypeChain();
 
+  void checkDocumentWrapper(v8::Local<v8::Object> wrapper, Document*) const;
+
   Member<Frame> m_frame;
   v8::Isolate* m_isolate;
   RefPtr<ScriptState> m_scriptState;
   RefPtr<DOMWrapperWorld> m_world;
   ScopedPersistent<v8::Object> m_globalProxy;
-  ScopedPersistent<v8::Object> m_document;
 };
 
 }  // namespace blink
 
 #endif  // WindowProxy_h