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

chrome/browser/media_galleries/fileapi/picasa_data_provider_browsertest.cc

 // 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.
 
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "chrome/browser/media_galleries/fileapi/media_file_system_backend.h"
 #include "chrome/browser/media_galleries/fileapi/picasa_data_provider.h"
 #include "chrome/browser/media_galleries/fileapi/safe_picasa_albums_indexer.h"
 #include "chrome/common/media_galleries/picasa_types.h"
 #include "chrome/common/media_galleries/pmp_test_helper.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "content/public/test/test_browser_thread.h"
 
-using chrome::MediaFileSystemBackend;
-
 namespace picasa {
 
 namespace {
 
 void WriteTestAlbumTable(const PmpTestHelper* test_helper,
                          const base::FilePath& test_folder_1_path,
                          const base::FilePath& test_folder_2_path) {
   std::vector<uint32> category_vector;
   category_vector.push_back(kAlbumCategoryFolder);
   category_vector.push_back(kAlbumCategoryInvalid);
@@ skipping 558 matching lines @@
                    base::Unretained(this)));
   }
 };
 
 IN_PROC_BROWSER_TEST_F(PicasaDataProviderInvalidateInflightAlbumsIndexerTest,
                        InvalidateInflightAlbumsIndexerTest) {
   RunTest();
 }
 
 }  // namespace picasa