Moves media device notification code to chrome/browser

content/browser/system_message_window_win.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_BROWSER_SYSTEM_MESSAGE_WINDOW_WIN_H_
 #define CONTENT_BROWSER_SYSTEM_MESSAGE_WINDOW_WIN_H_
 #pragma once
 
 #include <windows.h>
 
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
 
-typedef LRESULT (*VolumeNameFunc)(LPCWSTR drive,
-                                  LPWSTR volume_name,
-                                  unsigned int volume_name_len);
-
 class CONTENT_EXPORT SystemMessageWindowWin {
  public:
   SystemMessageWindowWin();
-  // Only for use in unit tests.
-  explicit SystemMessageWindowWin::SystemMessageWindowWin(
-      VolumeNameFunc volumeNameFunc);
 
   virtual ~SystemMessageWindowWin();
 
   virtual LRESULT OnDeviceChange(UINT event_type, DWORD data);
 
  private:
   void Init();
 
   LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
                            WPARAM wparam, LPARAM lparam);
 
   static LRESULT CALLBACK WndProcThunk(HWND hwnd,
                                        UINT message,
                                        WPARAM wparam,
                                        LPARAM lparam) {
     SystemMessageWindowWin* msg_wnd = reinterpret_cast<SystemMessageWindowWin*>(
         GetWindowLongPtr(hwnd, GWLP_USERDATA));
     if (msg_wnd)
       return msg_wnd->WndProc(hwnd, message, wparam, lparam);
     return ::DefWindowProc(hwnd, message, wparam, lparam);
   }
 
   HWND window_;
-  VolumeNameFunc volume_name_func_;
 
   DISALLOW_COPY_AND_ASSIGN(SystemMessageWindowWin);
 };
 
 #endif  // CONTENT_BROWSER_SYSTEM_MESSAGE_WINDOW_WIN_H_