Lots of files touched for a very simple change. Everywhere we used a const M...

media/filters/audio_renderer_impl.cc

 // Copyright (c) 2009 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/base/filter_host.h"
 #include "media/filters/audio_renderer_impl.h"
 
 namespace media {
 
 // We'll try to fill 4096 samples per buffer, which is roughly ~92ms of audio
 // data for a 44.1kHz audio source.
 static const size_t kSamplesPerBuffer = 4096;
 
 AudioRendererImpl::AudioRendererImpl()
     : AudioRendererBase(kDefaultMaxQueueSize),
       stream_(NULL) {
 }
 
 AudioRendererImpl::~AudioRendererImpl() {
   // Close down the audio device.
   if (stream_) {
     stream_->Stop();
     stream_->Close();
   }
 }
 
 bool AudioRendererImpl::IsMediaFormatSupported(
-    const MediaFormat* media_format) {
+    const MediaFormat& media_format) {
   int channels;
   int sample_rate;
   int sample_bits;
   return ParseMediaFormat(media_format, &channels, &sample_rate, &sample_bits);
 }
 
 void AudioRendererImpl::SetPlaybackRate(float playback_rate) {
   DCHECK(stream_);
   // TODO(scherkus): handle playback rates not equal to 1.0.
   if (playback_rate == 1.0f) {
@@ skipping 19 matching lines @@
 void AudioRendererImpl::OnClose(AudioOutputStream* stream) {
   // TODO(scherkus): implement OnClose.
   NOTIMPLEMENTED();
 }
 
 void AudioRendererImpl::OnError(AudioOutputStream* stream, int code) {
   // TODO(scherkus): implement OnError.
   NOTIMPLEMENTED();
 }
 
-bool AudioRendererImpl::OnInitialize(const MediaFormat* media_format) {
+bool AudioRendererImpl::OnInitialize(const MediaFormat& media_format) {
   // Parse out audio parameters.
   int channels;
   int sample_rate;
   int sample_bits;
   if (!ParseMediaFormat(media_format, &channels, &sample_rate, &sample_bits)) {
     return false;
   }
 
   // Create our audio stream.
   stream_ = AudioManager::GetAudioManager()->MakeAudioStream(
@@ skipping 11 matching lines @@
   }
   return true;
 }
 
 void AudioRendererImpl::OnStop() {
   DCHECK(stream_);
   stream_->Stop();
 }
 
 }  // namespace media