Added initial set of logging for AudioOutputController.

media/audio/audio_output_controller_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 "media/audio/audio_output_controller.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
@@ skipping 36 matching lines @@
 class MockAudioOutputControllerEventHandler
     : public AudioOutputController::EventHandler {
  public:
   MockAudioOutputControllerEventHandler() {}
 
   MOCK_METHOD0(OnControllerCreated, void());
   MOCK_METHOD0(OnControllerPlaying, void());
   MOCK_METHOD0(OnControllerPaused, void());
   MOCK_METHOD0(OnControllerError, void());
 
+  MOCK_METHOD1(OnLog, void(const std::string&));
+
  private:
   DISALLOW_COPY_AND_ASSIGN(MockAudioOutputControllerEventHandler);
 };
 
 class MockAudioOutputControllerSyncReader
     : public AudioOutputController::SyncReader {
  public:
   MockAudioOutputControllerSyncReader() {}
 
   MOCK_METHOD3(RequestMoreData,
@@ skipping 313 matching lines @@
   // When diverted stream pulls data, it would trigger a push to sink.
   EXPECT_CALL(mock_sink, OnDataCheck(kBufferNonZeroData));
   ReadDivertedAudioData();
 
   StopDuplicating(&mock_sink);
   RevertWhilePlaying();
   Close();
 }
 
 }  // namespace media