Move fileapi and dom_storage directories into the content namespace.

content/browser/fileapi/browser_file_system_helper.cc

 // 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.
 
 #include "content/browser/fileapi/browser_file_system_helper.h"
 
 #include <vector>
 #include <string>
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/content_switches.h"
 #include "webkit/fileapi/file_system_options.h"
 #include "webkit/fileapi/file_system_task_runners.h"
 #include "webkit/quota/quota_manager.h"
 
-using content::BrowserThread;
-
+namespace content {
 namespace {
 
 const char kChromeScheme[] = "chrome";
 const char kExtensionScheme[] = "chrome-extension";
 
 using fileapi::FileSystemOptions;
 
 FileSystemOptions CreateBrowserFileSystemOptions(bool is_incognito) {
   std::vector<std::string> additional_allowed_schemes;
   additional_allowed_schemes.push_back(kChromeScheme);
@@ skipping 24 matching lines @@
           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
           pool->GetSequencedTaskRunner(media_sequence_token)));
 
   return new fileapi::FileSystemContext(
       task_runners.Pass(),
       special_storage_policy,
       quota_manager_proxy,
       profile_path,
       CreateBrowserFileSystemOptions(is_incognito));
 }
+
+}  // namespace content