Make the Linux System Monitor implementation track all devices

chrome/browser/media_gallery/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_MEDIA_GALLERY_MEDIA_STORAGE_UTIL_H_
 #define CHROME_BROWSER_MEDIA_GALLERY_MEDIA_STORAGE_UTIL_H_
 
@@ skipping 54 matching lines @@
   // Get a FilePath for the given |device_id|.  If the device isn't connected
   // or isn't a mass storage type, the FilePath will be empty.
   static void FindDevicePathById(const std::string& device_id,
                                  const FilePathCallback& callback);
 
  private:
   // All methods are static, this class should not be instantiated.
   MediaStorageUtil();
 
   // A platform specific helper.
-  static void FindUSBDeviceById(const std::string& unique_id,
+  static void FindUSBDeviceById(const std::string& device_id,
                                 const FilePathCallback& callback);
 
   DISALLOW_COPY_AND_ASSIGN(MediaStorageUtil);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERY_MEDIA_STORAGE_UTIL_H_