mac: Replace base::mac::ScopedCFTypeRef with base::ScopedCFTypeRef.

media/audio/mac/aggregate_device_manager.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 "media/audio/mac/aggregate_device_manager.h"
 
 #include <CoreAudio/AudioHardware.h>
 #include <string>
 
 #include "base/mac/mac_logging.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "media/audio/audio_parameters.h"
 #include "media/audio/mac/audio_manager_mac.h"
 
-using base::mac::ScopedCFTypeRef;
+using base::ScopedCFTypeRef;
 
 namespace media {
 
 AggregateDeviceManager::AggregateDeviceManager()
     : plugin_id_(kAudioObjectUnknown),
       input_device_(kAudioDeviceUnknown),
       output_device_(kAudioDeviceUnknown),
       aggregate_device_(kAudioObjectUnknown) {
 }
 
@@ skipping 336 matching lines @@
       &aggregate_device_);
   if (result != noErr) {
     DLOG(ERROR) << "Error destroying aggregate audio device!";
     return;
   }
 
   aggregate_device_ = kAudioObjectUnknown;
 }
 
 }  // namespace media