Add notifications for when V8Proxy creates or destroys a V8 Context.

webkit/glue/webframe_impl.h

 /*
  * Copyright (C) 2006 Apple Computer, 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 103 matching lines @@
 
   // This method calls createRuntimeObject (in KJS::Bindings::Instance), which
   // increments the refcount of the NPObject passed in.
   virtual void BindToWindowObject(const std::wstring& name, NPObject* object);
   virtual void CallJSGC();
 
   virtual void GrantUniversalAccess();
 
   virtual NPObject* GetWindowNPObject();
 
+#if USE(V8)
+  // Returns the V8 context for this frame, or an empty handle if there is
+  // none.
+  virtual v8::Local<v8::Context> GetScriptContext();
+#endif
+
   virtual void GetContentAsPlainText(int max_chars, std::wstring* text) const;
   virtual bool Find(
       int request_id,
       const string16& search_text,
       const WebKit::WebFindOptions& options,
       bool wrap_within_frame,
       WebKit::WebRect* selection_rect);
   virtual void StopFinding(bool clear_selection);
   virtual void ScopeStringMatches(
       int request_id,
@@ skipping 273 matching lines @@
   // The input fields that are interested in edit events and their associated
   // listeners.
   typedef HashMap<RefPtr<WebCore::HTMLInputElement>,
       webkit_glue::PasswordAutocompleteListener*> PasswordListenerMap;
   PasswordListenerMap password_listeners_;
 
   DISALLOW_COPY_AND_ASSIGN(WebFrameImpl);
 };
 
 #endif  // WEBKIT_GLUE_WEBFRAME_IMPL_H_