Change base::SystemMonitor's media device functions to take a type and string16 instead of a FilePa…

chrome/browser/media_gallery/media_device_notifications_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 CHROME_BROWSER_MEDIA_GALLERY_MEDIA_DEVICE_NOTIFICATIONS_WINDOW_WIN_H_
 #define CHROME_BROWSER_MEDIA_GALLERY_MEDIA_DEVICE_NOTIFICATIONS_WINDOW_WIN_H_
 
 #include <windows.h>
 
+#include <string>
+
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/memory/ref_counted.h"
 
 typedef LRESULT (*VolumeNameFunc)(LPCWSTR drive,
                                   LPWSTR volume_name,
                                   unsigned int volume_name_len);
 namespace chrome {
 
 class MediaDeviceNotificationsWindowWin
@@ skipping 15 matching lines @@
   LRESULT CALLBACK WndProc(HWND hwnd,
                            UINT message,
                            WPARAM wparam,
                            LPARAM lparam);
 
   static LRESULT CALLBACK WndProcThunk(HWND hwnd,
                                        UINT message,
                                        WPARAM wparam,
                                        LPARAM lparam);
 
-  void CheckDeviceTypeOnFileThread(unsigned int id,
+  void CheckDeviceTypeOnFileThread(const std::string& id,
                                    const FilePath::StringType& device_name,
                                    const FilePath& path);
+
   void ProcessMediaDeviceAttachedOnUIThread(
-      unsigned int id,
+      const std::string& id,
       const FilePath::StringType& device_name,
       const FilePath& path);
 
   // The window class of |window_|.
   ATOM atom_;
 
   // The handle of the module that contains the window procedure of |window_|.
   HMODULE instance_;
 
   HWND window_;
   VolumeNameFunc volume_name_func_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaDeviceNotificationsWindowWin);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERY_MEDIA_DEVICE_NOTIFICATIONS_WINDOW_WIN_H_