Call scoped_refptr<T>::get() rather than relying on implicit "operator T*"

content/browser/renderer_host/media/media_stream_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/media_stream_manager.h"
 
 #include <list>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 574 matching lines @@
   if (device_thread_)
     return;
 
   device_thread_.reset(new base::Thread("MediaStreamDeviceThread"));
 #if defined(OS_WIN)
   device_thread_->init_com_with_mta(true);
 #endif
   CHECK(device_thread_->Start());
 
   audio_input_device_manager_ = new AudioInputDeviceManager(audio_manager_);
-  audio_input_device_manager_->Register(this,
-                                        device_thread_->message_loop_proxy());
+  audio_input_device_manager_->Register(
+      this, device_thread_->message_loop_proxy().get());
 
   video_capture_manager_ = new VideoCaptureManager();
-  video_capture_manager_->Register(this, device_thread_->message_loop_proxy());
+  video_capture_manager_->Register(this,
+                                   device_thread_->message_loop_proxy().get());
 
   // We want to be notified of IO message loop destruction to delete the thread
   // and the device managers.
   io_loop_ = base::MessageLoop::current();
   io_loop_->AddDestructionObserver(this);
 }
 
 void MediaStreamManager::Opened(MediaStreamType stream_type,
                                 int capture_session_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
@@ skipping 430 matching lines @@
   }
 
   // Always do enumeration even though some enumeration is in progress,
   // because those enumeration commands could be sent before these devices
   // change.
   ++active_enumeration_ref_count_[stream_type];
   GetDeviceManager(stream_type)->EnumerateDevices(stream_type);
 }
 
 }  // namespace content