Convert tabs, windows, and extension APIs to feature system.

chrome/renderer/extensions/extension_dispatcher.h

 // Copyright (c) 2012 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_EXTENSIONS_EXTENSION_DISPATCHER_H_
 #define CHROME_RENDERER_EXTENSIONS_EXTENSION_DISPATCHER_H_
 #pragma once
 
 #include <set>
 #include <string>
@@ skipping 90 matching lines @@
   }
   bool IsOtherExtensionWithWebRequestInstalled() const {
     return webrequest_other_;
   }
 
   void OnExtensionResponse(int request_id,
                            bool success,
                            const std::string& response,
                            const std::string& error);
 
-  // Checks that the current context contains an extension that has permission
-  // to execute the specified function. If it does not, a v8 exception is thrown
-  // and the method returns false. Otherwise returns true.
-  bool CheckCurrentContextAccessToExtensionAPI(
-      const std::string& function_name) const;
-
  private:
   friend class RenderViewTest;
   typedef void (*BindingInstaller)(ModuleSystem* module_system,
                                   v8::Handle<v8::Object> chrome,
                                   v8::Handle<v8::Object> chrome_hidden);
 
   // RenderProcessObserver implementation:
   virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void WebKitInitialized() OVERRIDE;
   virtual void IdleNotification() OVERRIDE;
@@ skipping 112 matching lines @@
   // them.
   std::map<std::string, BindingInstaller> lazy_bindings_map_;
 
   // Sends API requests to the extension host.
   scoped_ptr<ExtensionRequestSender> request_sender_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionDispatcher);
 };
 
 #endif  // CHROME_RENDERER_EXTENSIONS_EXTENSION_DISPATCHER_H_