Revert "Make F12 close an undocked DevTools window rather than open another DevTools window for thi…

chrome/browser/debugger/devtools_window.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_BROWSER_DEBUGGER_DEVTOOLS_WINDOW_H_
 #define CHROME_BROWSER_DEBUGGER_DEVTOOLS_WINDOW_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 114 matching lines @@
       content::WebContents* web_contents,
       const content::FileChooserParams& params) OVERRIDE;
 
   virtual void FrameNavigating(const std::string& url) OVERRIDE {}
 
   static DevToolsWindow* ToggleDevToolsWindow(
       content::RenderViewHost* inspected_rvh,
       bool force_open,
       DevToolsToggleAction action);
   static DevToolsWindow* AsDevToolsWindow(content::DevToolsClientHost*);
-  static DevToolsWindow* AsDevToolsWindow(content::RenderViewHost*);
 
   // content::DevToolsClientHandlerDelegate overrides.
   virtual void ActivateWindow() OVERRIDE;
   virtual void CloseWindow() OVERRIDE;
   virtual void MoveWindow(int x, int y) OVERRIDE;
   virtual void DockWindow() OVERRIDE;
   virtual void UndockWindow() OVERRIDE;
   virtual void SetDockSide(const std::string& side) OVERRIDE;
   virtual void OpenInNewTab(const std::string& url) OVERRIDE;
   virtual void SaveToFile(const std::string& url,
@@ skipping 17 matching lines @@
   bool docked_;
   bool is_loaded_;
   DevToolsToggleAction action_on_load_;
   content::NotificationRegistrar registrar_;
   content::DevToolsClientHost* frontend_host_;
   scoped_ptr<DevToolsFileHelper> file_helper_;
   DISALLOW_COPY_AND_ASSIGN(DevToolsWindow);
 };
 
 #endif  // CHROME_BROWSER_DEBUGGER_DEVTOOLS_WINDOW_H_