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

chrome/browser/media_galleries/mac/mtp_device_delegate_impl_mac.mm

 // 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/mac/mtp_device_delegate_impl_mac.h"
 
 #include <algorithm>
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/media_galleries/mtp_device_delegate_impl.h"
 #include "chrome/browser/storage_monitor/image_capture_device.h"
 #include "chrome/browser/storage_monitor/image_capture_device_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "webkit/browser/fileapi/async_file_util.h"
 
-namespace chrome {
-
 namespace {
 
 int kReadDirectoryTimeLimitSeconds = 20;
 
 typedef MTPDeviceAsyncDelegate::CreateSnapshotFileSuccessCallback
     CreateSnapshotFileSuccessCallback;
 typedef MTPDeviceAsyncDelegate::ErrorCallback ErrorCallback;
 typedef MTPDeviceAsyncDelegate::GetFileInfoSuccessCallback
     GetFileInfoSuccessCallback;
 typedef MTPDeviceAsyncDelegate::ReadDirectorySuccessCallback
@@ skipping 442 matching lines @@
     const CreateMTPDeviceAsyncDelegateCallback& cb) {
   std::string device_name = base::FilePath(device_location).BaseName().value();
   std::string device_id;
   StorageInfo::Type type;
   bool cracked = StorageInfo::CrackDeviceId(device_name, &type, &device_id);
   DCHECK(cracked);
   DCHECK_EQ(StorageInfo::MAC_IMAGE_CAPTURE, type);
 
   cb.Run(new MTPDeviceDelegateImplMac(device_id, device_location));
 }
-
-}  // namespace chrome
-