Revert of Support device scale factor test with popups in LayoutTest

content/shell/browser/shell.h

 // Copyright 2013 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_SHELL_BROWSER_SHELL_H_
 #define CONTENT_SHELL_BROWSER_SHELL_H_
 
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 132 matching lines @@
 #endif
   bool AddMessageToConsole(WebContents* source,
                            int32 level,
                            const base::string16& message,
                            int32 line_no,
                            const base::string16& source_id) override;
   void RendererUnresponsive(WebContents* source) override;
   void ActivateContents(WebContents* contents) override;
   bool HandleContextMenu(const content::ContextMenuParams& params) override;
 
-  void SetDeviceScaleFactor(float scale);
-
   static gfx::Size GetShellDefaultSize();
 
  private:
   enum UIControl {
     BACK_BUTTON,
     FORWARD_BUTTON,
     STOP_BUTTON
   };
 
   class DevToolsWebContentsObserver;
@@ skipping 90 matching lines @@
   static base::Callback<void(Shell*)> shell_created_callback_;
 
   // True if the destructur of Shell should post a quit closure on the current
   // message loop if the destructed Shell object was the last one.
   static bool quit_message_loop_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_BROWSER_SHELL_H_