Update Windows System Monitor Removable Device Impl.

chrome/browser/system_monitor/media_storage_util.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.
 
 // chrome::MediaStorageUtil provides information about storage devices attached
 // to the computer.
 
 #ifndef CHROME_BROWSER_SYSTEM_MONITOR_MEDIA_STORAGE_UTIL_H_
 #define CHROME_BROWSER_SYSTEM_MONITOR_MEDIA_STORAGE_UTIL_H_
 
@@ skipping 41 matching lines @@
   // Looks inside |device_id| to determine if it is a mass storage device
   // (type isn't MTP_OR_PTP).
   static bool IsMassStorageDevice(const std::string& device_id);
 
   // Determines if the device is attached to the computer.
   static void IsDeviceAttached(const std::string& device_id,
                                const BoolCallback& callback);
 
   // Given |path|, fill in |device_id|, |device_name|, and |relative_path|
   // (from the root of the device) if they are not NULL.
-  static void GetDeviceInfoFromPath(const FilePath& path,
+  static bool GetDeviceInfoFromPath(const FilePath& path,
                                     std::string* device_id,
                                     string16* device_name,
                                     FilePath* relative_path);
 
   // Get a FilePath for the given |device_id|.  If the device isn't a mass
   // storage type, the FilePath will be empty.  This does not check that
   // the device is connected.
   static FilePath FindDevicePathById(const std::string& device_id);
 
  protected:
-  typedef void (*GetDeviceInfoFromPathFunction)(const FilePath& path,
+  typedef bool (*GetDeviceInfoFromPathFunction)(const FilePath& path,
                                                 std::string* device_id,
                                                 string16* device_name,
                                                 FilePath* relative_path);
 
   // Set the implementation of GetDeviceInfoFromPath for testing.
   static void SetGetDeviceInfoFromPathFunctionForTesting(
       GetDeviceInfoFromPathFunction function);
 
  private:
   // All methods are static, this class should not be instantiated.
   MediaStorageUtil();
 
   // Per platform implementation.
-  static void GetDeviceInfoFromPathImpl(const FilePath& path,
+  static bool GetDeviceInfoFromPathImpl(const FilePath& path,
                                         std::string* device_id,
                                         string16* device_name,
                                         FilePath* relative_path);
 
   DISALLOW_COPY_AND_ASSIGN(MediaStorageUtil);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_SYSTEM_MONITOR_MEDIA_STORAGE_UTIL_H_