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

chrome/browser/media_galleries/linux/mtp_read_file_worker.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_GALLERIES_LINUX_MTP_READ_FILE_WORKER_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_READ_FILE_WORKER_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/platform_file.h"
 
 namespace base {
 class FilePath;
 }
 
-namespace chrome {
-
 class SnapshotFileDetails;
 struct SnapshotRequestInfo;
 
 // Worker class to copy the contents of the media transfer protocol(MTP) device
 // file to the given snapshot file.
 class MTPReadFileWorker {
  public:
   explicit MTPReadFileWorker(const std::string& device_handle);
   ~MTPReadFileWorker();
 
@@ skipping 50 matching lines @@
 
   // The device unique identifier to query the device.
   const std::string device_handle_;
 
   // For callbacks that may run after destruction.
   base::WeakPtrFactory<MTPReadFileWorker> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MTPReadFileWorker);
 };
 
-}  // namespace chrome
-
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_READ_FILE_WORKER_H_