Update media/ to use scoped_refptr<T>::get() rather than implicit "operator T*"

media/audio/audio_output_controller.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 "media/audio/audio_output_controller.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
@@ skipping 37 matching lines @@
       volume_(1.0),
       state_(kEmpty),
       num_allowed_io_(0),
       sync_reader_(sync_reader),
       message_loop_(audio_manager->GetMessageLoop()),
       number_polling_attempts_left_(0),
       weak_this_(this) {
   DCHECK(audio_manager);
   DCHECK(handler_);
   DCHECK(sync_reader_);
-  DCHECK(message_loop_);
+  DCHECK(message_loop_.get());
 }
 
 AudioOutputController::~AudioOutputController() {
   DCHECK_EQ(kClosed, state_);
 }
 
 // static
 scoped_refptr<AudioOutputController> AudioOutputController::Create(
     AudioManager* audio_manager,
     EventHandler* event_handler,
@@ skipping 368 matching lines @@
   DCHECK(base::AtomicRefCountIsZero(&num_allowed_io_));
   base::AtomicRefCountInc(&num_allowed_io_);
 }
 
 void AudioOutputController::DisallowEntryToOnMoreIOData() {
   const bool is_zero = !base::AtomicRefCountDec(&num_allowed_io_);
   DCHECK(is_zero);
 }
 
 }  // namespace media