SetVolume and GetVolume take one volume instead of separate left and right vo...

media/audio/fake_audio_output_stream.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 "base/at_exit.h"
 #include "media/audio/fake_audio_output_stream.h"
 
 bool FakeAudioOutputStream::has_created_fake_stream_ = false;
 FakeAudioOutputStream* FakeAudioOutputStream::last_fake_stream_ = NULL;
 
@@ skipping 21 matching lines @@
 
 void FakeAudioOutputStream::Start(AudioSourceCallback* callback)  {
   callback_ = callback;
   memset(buffer_.get(), 0, packet_size_);
   callback_->OnMoreData(this, buffer_.get(), packet_size_, 0);
 }
 
 void FakeAudioOutputStream::Stop() {
 }
 
-void FakeAudioOutputStream::SetVolume(double left_level, double right_level) {
-  left_volume_ = left_level;
-  right_volume_ = right_level;
+void FakeAudioOutputStream::SetVolume(double volume) {
+  volume_ = volume;
 }
 
-void FakeAudioOutputStream::GetVolume(double* left_level, double* right_level) {
-  *left_level = left_volume_;
-  *right_level = right_volume_;
+void FakeAudioOutputStream::GetVolume(double* volume) {
+  *volume = volume_;
 }
 
 void FakeAudioOutputStream::Close() {
   callback_->OnClose(this);
   callback_ = NULL;
 
   if (last_fake_stream_)
     delete last_fake_stream_;
   last_fake_stream_ = this;
 }
 
 FakeAudioOutputStream::FakeAudioOutputStream()
-    : left_volume_(0),
-      right_volume_(0),
+    : volume_(0),
       callback_(NULL),
       packet_size_(0) {
 }
 
 // static
 void FakeAudioOutputStream::DestroyLastFakeStream(void* param) {
   if (last_fake_stream_)
     delete last_fake_stream_;
 }