[DevTools] Load DevTools frontend without iframe (chromium part).

content/renderer/devtools/devtools_agent.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 CONTENT_RENDERER_DEVTOOLS_DEVTOOLS_AGENT_H_
 #define CONTENT_RENDERER_DEVTOOLS_DEVTOOLS_AGENT_H_
 
 #include <string>
 
 #include "content/common/content_export.h"
@@ skipping 54 matching lines @@
 
   void OnAttach(const std::string& host_id);
   void OnReattach(const std::string& host_id,
                   const std::string& agent_state);
   void OnDetach();
   void OnDispatchOnInspectorBackend(const std::string& message);
   void OnInspectElement(const std::string& host_id, int x, int y);
   void OnAddMessageToConsole(ConsoleMessageLevel level,
                              const std::string& message);
   void ContinueProgram();
-  void OnSetupDevToolsClient();
+  void OnSetupDevToolsClient(const std::string& compatibility_script);
 
   bool is_attached_;
   bool is_devtools_client_;
   bool paused_in_mouse_move_;
   bool paused_;
   RenderFrameImpl* frame_;
 
   DISALLOW_COPY_AND_ASSIGN(DevToolsAgent);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_DEVTOOLS_DEVTOOLS_AGENT_H_