Moved AudioUtil static functions to AudioManager interfaces

media/audio/audio_output_proxy_unittest.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 <string>
 
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
 #include "media/audio/audio_output_dispatcher_impl.h"
@@ skipping 99 matching lines @@
   MOCK_METHOD0(IsRecordingInProcess, bool());
 
   MOCK_METHOD1(MakeLinearOutputStream, AudioOutputStream*(
       const AudioParameters& params));
   MOCK_METHOD1(MakeLowLatencyOutputStream, AudioOutputStream*(
       const AudioParameters& params));
   MOCK_METHOD2(MakeLinearInputStream, AudioInputStream*(
       const AudioParameters& params, const std::string& device_id));
   MOCK_METHOD2(MakeLowLatencyInputStream, AudioInputStream*(
       const AudioParameters& params, const std::string& device_id));
+  MOCK_METHOD1(GetPreferredOutputStreamParameters, AudioParameters(
+      const AudioParameters& params));
 };
 
 class MockAudioSourceCallback : public AudioOutputStream::AudioSourceCallback {
  public:
   int OnMoreData(AudioBus* audio_bus, AudioBuffersState buffers_state) {
     audio_bus->Zero();
     return audio_bus->frames();
   }
   int OnMoreIOData(AudioBus* source, AudioBus* dest,
                    AudioBuffersState buffers_state) {
@@ skipping 595 matching lines @@
   WaitForCloseTimer(kTestCloseDelayMs);
   EXPECT_TRUE(stream1.stop_called());
   EXPECT_TRUE(stream1.start_called());
   EXPECT_TRUE(stream2.stop_called());
   EXPECT_TRUE(stream2.start_called());
   EXPECT_FALSE(stream3.stop_called());
   EXPECT_FALSE(stream3.start_called());
 }
 
 }  // namespace media