Reinitialize WindowProxy on navigations.

third_party/WebKit/Source/bindings/core/v8/LocalWindowProxy.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 67 matching lines @@
   // 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.
   void setupWindowPrototypeChain();
 
   void setSecurityToken(SecurityOrigin*);
 
+  // Triggers updates of objects that are associated with a Document:
+  // - the activity logger
+  // - the document DOM wrapper
+  // - the security origin
+  void updateDocumentInternal();
+
   // The JavaScript wrapper for the document object is cached on the global
   // object for fast access. UpdateDocumentProperty sets the wrapper
   // for the current document on the global object.
   void updateDocumentProperty();
 
   // Updates Activity Logger for the current context.
   void updateActivityLogger();
 
   LocalFrame* frame() const { return toLocalFrame(WindowProxy::frame()); }
 
   RefPtr<ScriptState> m_scriptState;
 };
 
 }  // namespace blink
 
 #endif  // LocalWindowProxy_h