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

chrome/browser/media_galleries/linux/mtp_read_file_worker.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 "chrome/browser/media_galleries/linux/mtp_read_file_worker.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/safe_numerics.h"
 #include "chrome/browser/media_galleries/linux/snapshot_file_details.h"
 #include "chrome/browser/storage_monitor/storage_monitor.h"
 #include "content/public/browser/browser_thread.h"
 #include "device/media_transfer_protocol/media_transfer_protocol_manager.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
 using content::BrowserThread;
 
-namespace chrome {
-
 namespace {
 
 // Appends |data| to the snapshot file specified by the |snapshot_file_path| on
 // the file thread.
 // Returns the number of bytes written to the snapshot file. In case of failure,
 // returns zero.
 uint32 WriteDataChunkIntoSnapshotFileOnFileThread(
     const base::FilePath& snapshot_file_path,
     const std::string& data) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::FILE));
@@ skipping 102 matching lines @@
                    base::PLATFORM_FILE_ERROR_FAILED));
     return;
   }
   content::BrowserThread::PostTask(
       content::BrowserThread::IO,
       FROM_HERE,
       base::Bind(snapshot_file_details->success_callback(),
                  snapshot_file_details->file_info(),
                  snapshot_file_details->snapshot_file_path()));
 }
-
-}  // namespace chrome