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

chrome/browser/media_galleries/fileapi/media_file_validator_factory.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_FILEAPI_MEDIA_FILE_VALIDATOR_FACTORY_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_VALIDATOR_FACTORY_H_
 
 #include "base/basictypes.h"
 #include "webkit/browser/fileapi/copy_or_move_file_validator.h"
 
 namespace base {
 class FilePath;
 }
 
 namespace fileapi {
 class FileSystemURL;
 }
 
-namespace chrome {
-
 // A factory for media file validators. A media file validator will use various
 // strategies (depending on the file type) to attempt to verify that the file
 // is a valid media file.
 class MediaFileValidatorFactory
     : public fileapi::CopyOrMoveFileValidatorFactory {
  public:
   MediaFileValidatorFactory();
   virtual ~MediaFileValidatorFactory();
 
   // CopyOrMoveFileValidatorFactory implementation.
   virtual fileapi::CopyOrMoveFileValidator* CreateCopyOrMoveFileValidator(
             const fileapi::FileSystemURL& src,
             const base::FilePath& platform_path) OVERRIDE;
  private:
   DISALLOW_COPY_AND_ASSIGN(MediaFileValidatorFactory);
 };
 
-}  // namespace chrome
-
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_VALIDATOR_FACTORY_H_