Send port-closed notification when a frame with ports unloads....

chrome/renderer/extensions/extension_process_bindings.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.
 
 // Exposes extension APIs into the extension process.
 
 #ifndef CHROME_RENDERER_EXTENSIONS_EXTENSION_PROCESS_BINDINGS_H_
 #define CHROME_RENDERER_EXTENSIONS_EXTENSION_PROCESS_BINDINGS_H_
 
 #include <string>
 #include <vector>
 
 #include "v8/include/v8.h"
 
 class WebFrame;
 
 class ExtensionProcessBindings {
  public:
   static void SetFunctionNames(const std::vector<std::string>& names);
   static v8::Extension* Get();
-  static void RegisterExtensionContext(WebFrame* frame);
   static void HandleResponse(int request_id, bool success,
                              const std::string& response,
                              const std::string& error);
 };
 
 #endif  // CHROME_RENDERER_EXTENSIONS_EXTENSION_PROCESS_BINDINGS_H_