Extract ExtensionRequestSender from SchemaGeneratedBindings.

chrome/renderer/extensions/chrome_v8_extension.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_CHROME_V8_EXTENSION_H_
 #define CHROME_RENDERER_EXTENSIONS_CHROME_V8_EXTENSION_H_
 #pragma once
 
 #include "base/logging.h"
 #include "base/memory/linked_ptr.h"
@@ skipping 36 matching lines @@
   }
 
   // Gets the render view for the current v8 context.
   static content::RenderView* GetCurrentRenderView();
 
   // Note: do not call this function before or during the chromeHidden.onLoad
   // event dispatch. The URL might not have been committed yet and might not
   // be an extension URL.
   const ::Extension* GetExtensionForCurrentRenderView() const;
 
-  // 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;
-
   // Returns the chromeHidden object for the current context.
   static v8::Handle<v8::Value> GetChromeHidden(const v8::Arguments& args);
 
   ExtensionDispatcher* extension_dispatcher_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ChromeV8Extension);
 };
 
 #endif  // CHROME_RENDERER_EXTENSIONS_CHROME_V8_EXTENSION_H_