Remove implicit conversions from scoped_refptr to T* in content/browser/renderer_host/

content/browser/renderer_host/media/audio_input_device_manager.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/renderer_host/media/audio_input_device_manager.h"
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/media_stream_request.h"
@@ skipping 31 matching lines @@
     return NULL;
 
   return &(*device);
 }
 
 void AudioInputDeviceManager::Register(
     MediaStreamProviderListener* listener,
     const scoped_refptr<base::SingleThreadTaskRunner>& device_task_runner) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   DCHECK(!listener_);
-  DCHECK(!device_task_runner_);
+  DCHECK(!device_task_runner_.get());
   listener_ = listener;
   device_task_runner_ = device_task_runner;
 }
 
 void AudioInputDeviceManager::Unregister() {
   DCHECK(listener_);
   listener_ = NULL;
 }
 
 void AudioInputDeviceManager::EnumerateDevices(MediaStreamType stream_type) {
@@ skipping 181 matching lines @@
   static const char kFakeDeviceId2[] = "fake_audio_2";
   DCHECK(device_names->empty());
   DCHECK(use_fake_device_);
   device_names->push_back(media::AudioDeviceName(kFakeDeviceName1,
                                                  kFakeDeviceId1));
   device_names->push_back(media::AudioDeviceName(kFakeDeviceName2,
                                                  kFakeDeviceId2));
 }
 
 }  // namespace content