Try 2 [Media Gallery] Move chrome/browser/media_transfer_protocol code to src/device.

chrome/browser/system_monitor/media_transfer_protocol_device_observer_linux.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_SYSTEM_MONITOR_MEDIA_TRANSFER_PROTOCOL_DEVICE_OBSERVER_LINUX_H_
 #define CHROME_BROWSER_SYSTEM_MONITOR_MEDIA_TRANSFER_PROTOCOL_DEVICE_OBSERVER_LINUX_H_
 
 #include <map>
 #include <string>
 
 #include "base/string16.h"
 #include "base/system_monitor/system_monitor.h"
-#include "chrome/browser/media_transfer_protocol/media_transfer_protocol_manager.h"
+#include "device/media_transfer_protocol/media_transfer_protocol_manager.h"
 
 class FilePath;
 
 namespace chrome {
 
 // Gets the mtp device information given a |storage_name|. On success,
 // fills in |id|, |name| and |location|.
 typedef void (*GetStorageInfoFunc)(const std::string& storage_name,
                                    std::string* id,
                                    string16* name,
                                    std::string* location);
 
 // Helper class to send MTP storage attachment and detachment events to
 // SystemMonitor.
 class MediaTransferProtocolDeviceObserverLinux
-    : public MediaTransferProtocolManager::Observer {
+    : public device::MediaTransferProtocolManager::Observer {
  public:
   // Should only be called by browser start up code. Use GetInstance() instead.
   MediaTransferProtocolDeviceObserverLinux();
   virtual ~MediaTransferProtocolDeviceObserverLinux();
 
   static MediaTransferProtocolDeviceObserverLinux* GetInstance();
 
   // Finds the storage that contains |path| and populates |storage_info|.
   // Returns false if unable to find the storage.
   bool GetStorageInfoForPath(
       const FilePath& path,
       base::SystemMonitor::RemovableStorageInfo* storage_info) const;
 
  protected:
   // Only used in unit tests.
   explicit MediaTransferProtocolDeviceObserverLinux(
       GetStorageInfoFunc get_storage_info_func);
 
-  // MediaTransferProtocolManager::Observer implementation.
+  // device::MediaTransferProtocolManager::Observer implementation.
   // Exposed for unit tests.
   virtual void StorageChanged(bool is_attached,
                               const std::string& storage_name) OVERRIDE;
 
  private:
   // Mapping of storage location and mtp storage info object.
   typedef std::map<std::string, base::SystemMonitor::RemovableStorageInfo>
       StorageLocationToInfoMap;
 
   // Enumerate existing mtp storage devices.
   void EnumerateStorages();
 
   // Map of all attached mtp devices.
   StorageLocationToInfoMap storage_map_;
 
   // Function handler to get storage information. This is useful to set a mock
   // handler for unit testing.
   GetStorageInfoFunc get_storage_info_func_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaTransferProtocolDeviceObserverLinux);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_SYSTEM_MONITOR_MEDIA_TRANSFER_PROTOCOL_DEVICE_OBSERVER_LINUX_H_