Cleanup: Remove chrome namespace for storage monitor and media galleries.

chrome/browser/media_galleries/linux/mtp_device_task_helper_map_service.h

 // Copyright 2013 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_GALLERIES_LINUX_MTP_DEVICE_TASK_HELPER_MAP_SERVICE_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_TASK_HELPER_MAP_SERVICE_H_
 
 #include <map>
 #include <string>
 
 #include "base/lazy_instance.h"
 
-namespace chrome {
-
 class MTPDeviceTaskHelper;
 
 // MTPDeviceTaskHelperMapService manages MTPDeviceTaskHelper objects.
 // MTPDeviceTaskHelperMapService lives on the UI thread.
 class MTPDeviceTaskHelperMapService {
  public:
   static MTPDeviceTaskHelperMapService* GetInstance();
 
   // Creates and returns the MTPDeviceTaskHelper object for the storage device
   // specified by the |storage_name|.
@@ skipping 21 matching lines @@
   MTPDeviceTaskHelperMapService();
   ~MTPDeviceTaskHelperMapService();
 
   // Mapping of |storage_name| and MTPDeviceTaskHelper*.
   // TaskHelperMap owns MTPDeviceTaskHelper objects.
   TaskHelperMap task_helper_map_;
 
   DISALLOW_COPY_AND_ASSIGN(MTPDeviceTaskHelperMapService);
 };
 
-}  // namespace chrome
-
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_TASK_HELPER_MAP_SERVICE_H_