Fix docking behaviour for devtools windows that don't have an associated browser window

chrome/renderer/devtools_client.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.
 
 #ifndef CHROME_RENDERER_DEVTOOLS_CLIENT_H_
 #define CHROME_RENDERER_DEVTOOLS_CLIENT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 28 matching lines @@
   bool OnMessageReceived(const IPC::Message& message);
 
   // WebDevToolsFrontendClient implementation
   virtual void sendMessageToAgent(
       const WebKit::WebDevToolsMessageData& data);
   virtual void sendDebuggerCommandToAgent(const WebKit::WebString& command);
   virtual void sendDebuggerPauseScript();
 
   virtual void activateWindow();
   virtual void closeWindow();
-  virtual void dockWindow();
-  virtual void undockWindow();
+  virtual void requestDockWindow();
+  virtual void requestUndockWindow();
 
  private:
   void OnRpcMessage(const DevToolsMessageData& data);
 
   // Sends message to DevToolsAgent.
   void Send(const IPC::Message& tools_agent_message);
 
   RenderView* render_view_;  // host render view
   scoped_ptr<WebKit::WebDevToolsFrontend> web_tools_frontend_;
 
   DISALLOW_COPY_AND_ASSIGN(DevToolsClient);
 };
 
 #endif  // CHROME_RENDERER_DEVTOOLS_CLIENT_H_