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

chrome/browser/media_galleries/win/snapshot_file_details.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_WIN_SNAPSHOT_FILE_DETAILS_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_WIN_SNAPSHOT_FILE_DETAILS_H_
 
 #include "base/files/file_path.h"
 #include "base/platform_file.h"
 #include "base/win/scoped_comptr.h"
 #include "chrome/browser/media_galleries/fileapi/mtp_device_async_delegate.h"
 
-namespace chrome {
-
 // Structure used to represent snapshot file request params.
 struct SnapshotRequestInfo {
   SnapshotRequestInfo(
       const base::FilePath& device_file_path,
       const base::FilePath& snapshot_file_path,
       const MTPDeviceAsyncDelegate::CreateSnapshotFileSuccessCallback&
           success_callback,
       const MTPDeviceAsyncDelegate::ErrorCallback& error_callback);
 
   // Device file path.
@@ skipping 60 matching lines @@
   base::win::ScopedComPtr<IStream> file_stream_;
 
   // The number of bytes of data to read from the |file_stream| object
   // during each IStream::Read() operation.
   DWORD optimal_transfer_size_;
 
   // Total number of bytes written into the snapshot file.
   DWORD bytes_written_;
 };
 
-}  // namespace chrome
-
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_WIN_SNAPSHOT_FILE_DETAILS_H_