Update remaining files to use WeakPtr<T>::get() instead of "operator T*"

media/filters/audio_renderer_impl.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/filters/audio_renderer_impl.h"
 
 #include <math.h>
 
 #include <algorithm>
 
@@ skipping 256 matching lines @@
 
   // We're all good! Continue initializing the rest of the audio renderer based
   // on the decoder format.
   algorithm_.reset(new AudioRendererAlgorithm());
   algorithm_->Initialize(0, audio_parameters_);
 
   state_ = kPaused;
 
   HistogramRendererEvent(INITIALIZED);
 
-  sink_->Initialize(audio_parameters_, weak_this_);
+  sink_->Initialize(audio_parameters_, weak_this_.get());
   sink_->Start();
 
   // Some sinks play on start...
   sink_->Pause();
   DCHECK(!sink_playing_);
 
   base::ResetAndReturn(&init_cb_).Run(PIPELINE_OK);
 }
 
 void AudioRendererImpl::ResumeAfterUnderflow(bool buffer_more_audio) {
@@ skipping 351 matching lines @@
     case kUnderflow:
     case kRebuffering:
     case kStopped:
       if (status != PIPELINE_OK)
         error_cb_.Run(status);
       return;
   }
 }
 
 }  // namespace media