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

chrome/renderer/render_view.h

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_RENDERER_RENDER_VIEW_H_
 #define CHROME_RENDERER_RENDER_VIEW_H_
 
 #include <string>
 #include <queue>
 #include <vector>
@@ skipping 204 matching lines @@
                                          WebFrame* frame,
                                          const GURL& source);
   virtual void WillSubmitForm(WebView* webview, WebFrame* frame,
                               const WebKit::WebForm& form);
   virtual void WillSendRequest(WebView* webview,
                                uint32 identifier,
                                WebKit::WebURLRequest* request);
 
   virtual void WindowObjectCleared(WebFrame* webframe);
   virtual void DocumentElementAvailable(WebFrame* webframe);
+  virtual void DidCreateScriptContext(WebFrame* webframe);
+  virtual void DidDestroyScriptContext(WebFrame* webframe);
 
   virtual WindowOpenDisposition DispositionForNavigationAction(
       WebView* webview,
       WebFrame* frame,
       const WebKit::WebURLRequest& request,
       WebKit::WebNavigationType type,
       WindowOpenDisposition disposition,
       bool is_redirect);
 
   virtual WebView* CreateWebView(WebView* webview,
@@ skipping 549 matching lines @@
   // PrintWebViewHelper handles printing.  Note that this object is constructed
   // when printing for the first time but only destroyed with the RenderView.
   scoped_ptr<PrintWebViewHelper> print_helper_;
 
   RendererPreferences renderer_preferences_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderView);
 };
 
 #endif  // CHROME_RENDERER_RENDER_VIEW_H_