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

media/filters/audio_renderer_base.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_base.h"
 
 namespace media {
 
 // The maximum size of the queue, which also acts as the number of initial reads
@@ skipping 34 matching lines @@
 bool AudioRendererBase::Initialize(AudioDecoder* decoder) {
   DCHECK(decoder);
   decoder_ = decoder;
 
   // Schedule our initial reads.
   for (size_t i = 0; i < max_queue_size_; ++i) {
     ScheduleRead();
   }
 
   // Defer initialization until all scheduled reads have completed.
-  return OnInitialize(decoder_->GetMediaFormat());
+  return OnInitialize(decoder_->media_format());
 }
 
 void AudioRendererBase::OnAssignment(Buffer* buffer_in) {
   bool initialization_complete = false;
   {
     AutoLock auto_lock(lock_);
     if (!stopped_) {
       buffer_in->AddRef();
       queue_.push_back(buffer_in);
       DCHECK(queue_.size() <= max_queue_size_);
@@ skipping 65 matching lines @@
   }
   return result;
 }
 
 void AudioRendererBase::ScheduleRead() {
   host_->PostTask(NewRunnableMethod(decoder_, &AudioDecoder::Read,
       new AssignableBuffer<AudioRendererBase, Buffer>(this)));
 }
 
 // static
-bool AudioRendererBase::ParseMediaFormat(const MediaFormat* media_format,
+bool AudioRendererBase::ParseMediaFormat(const MediaFormat& media_format,
                                          int* channels_out,
                                          int* sample_rate_out,
                                          int* sample_bits_out) {
   // TODO(scherkus): might be handy to support NULL parameters.
   std::string mime_type;
-  return media_format->GetAsString(MediaFormat::kMimeType, &mime_type) &&
-      media_format->GetAsInteger(MediaFormat::kChannels, channels_out) &&
-      media_format->GetAsInteger(MediaFormat::kSampleRate, sample_rate_out) &&
-      media_format->GetAsInteger(MediaFormat::kSampleBits, sample_bits_out) &&
+  return media_format.GetAsString(MediaFormat::kMimeType, &mime_type) &&
+      media_format.GetAsInteger(MediaFormat::kChannels, channels_out) &&
+      media_format.GetAsInteger(MediaFormat::kSampleRate, sample_rate_out) &&
+      media_format.GetAsInteger(MediaFormat::kSampleBits, sample_bits_out) &&
       mime_type.compare(mime_type::kUncompressedAudio) == 0;
 }
 
 }  // namespace media