Allow audio system to handle synchronized low-latency audio I/O

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/message_loop.h"
 #include "base/message_loop_proxy.h"
 #include "base/threading/platform_thread.h"
 #include "media/audio/audio_output_dispatcher_impl.h"
@@ skipping 63 matching lines @@
   MOCK_METHOD0(GetMessageLoop, scoped_refptr<base::MessageLoopProxy>());
   MOCK_METHOD1(GetAudioInputDeviceNames, void(
       media::AudioDeviceNames* device_name));
   MOCK_METHOD0(IsRecordingInProcess, bool());
 };
 
 class MockAudioSourceCallback : public AudioOutputStream::AudioSourceCallback {
  public:
   MOCK_METHOD2(OnMoreData, int(AudioBus* audio_bus,
                                AudioBuffersState buffers_state));
+  MOCK_METHOD3(OnMoreIOData, int(AudioBus* source,
+                                 AudioBus* dest,
+                                 AudioBuffersState buffers_state));
   MOCK_METHOD2(OnError, void(AudioOutputStream* stream, int code));
 };
 
 }  // namespace
 
 namespace media {
 
 class AudioOutputProxyTest : public testing::Test {
  protected:
   virtual void SetUp() {
@@ skipping 514 matching lines @@
   proxy2->Start(&callback_);
 
   Mock::VerifyAndClear(&callback_);
 
   proxy2->Close();
   WaitForCloseTimer(kTestCloseDelayMs);
 }
 #endif
 
 }  // namespace media