| // Copyright 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 CONTENT_RENDERER_WEB_UI_EXTENSION_H_ | 
 | #define CONTENT_RENDERER_WEB_UI_EXTENSION_H_ | 
 |  | 
 | #include <string> | 
 |  | 
 | #include "base/macros.h" | 
 |  | 
 | namespace blink { | 
 | class WebLocalFrame; | 
 | } | 
 |  | 
 | namespace gin { | 
 | class Arguments; | 
 | } | 
 |  | 
 | namespace content { | 
 |  | 
 | class WebUIExtension { | 
 |  public: | 
 |   static void Install(blink::WebLocalFrame* frame); | 
 |  | 
 |  private: | 
 |   static void Send(gin::Arguments* args); | 
 |   static std::string GetVariableValue(const std::string& name); | 
 |  | 
 |   DISALLOW_IMPLICIT_CONSTRUCTORS(WebUIExtension); | 
 | }; | 
 |  | 
 | }  // namespace content | 
 |  | 
 | #endif  // CONTENT_RENDERER_WEB_UI_EXTENSION_H_ |