Replace AudioSilenceDetector with an AudioPowerMonitor.

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 "base/basictypes.h"
 #include "base/bind.h"
 #include "base/environment.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 22 matching lines @@
     ChannelLayoutToChannelCount(kChannelLayout) * kBitsPerSample / 8;
 static const double kTestVolume = 0.25;
 
 class MockAudioOutputControllerEventHandler
     : public AudioOutputController::EventHandler {
  public:
   MockAudioOutputControllerEventHandler() {}
 
   MOCK_METHOD0(OnCreated, void());
   MOCK_METHOD0(OnPlaying, void());
-  MOCK_METHOD1(OnAudible, void(bool is_audible));
+  MOCK_METHOD2(OnPowerMeasured, void(float power_dBFS, bool clipped));
   MOCK_METHOD0(OnPaused, void());
   MOCK_METHOD0(OnError, void());
   MOCK_METHOD2(OnDeviceChange, void(int new_buffer_size, int new_sample_rate));
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockAudioOutputControllerEventHandler);
 };
 
 class MockAudioOutputControllerSyncReader
     : public AudioOutputController::SyncReader {
@@ skipping 70 matching lines @@
         audio_manager_.get(), &mock_event_handler_, params_, std::string(),
         &mock_sync_reader_);
     if (controller_.get())
       controller_->SetVolume(kTestVolume);
 
     EXPECT_EQ(params_.IsValid(), controller_.get() != NULL);
   }
 
   void Play() {
     // Expect the event handler to receive one OnPlaying() call and one or more
-    // OnAudible() calls.
+    // OnPowerMeasured() calls.
     EXPECT_CALL(mock_event_handler_, OnPlaying())
         .WillOnce(SignalEvent(&play_event_));
-    EXPECT_CALL(mock_event_handler_, OnAudible(_))
+    EXPECT_CALL(mock_event_handler_, OnPowerMeasured(_, false))
         .Times(AtLeast(1));
 
     // During playback, the mock pretends to provide audio data rendered and
     // sent from the render process.
     EXPECT_CALL(mock_sync_reader_, UpdatePendingBytes(_))
         .Times(AtLeast(1));
     EXPECT_CALL(mock_sync_reader_, Read(_, _, _))
         .WillRepeatedly(DoAll(PopulateBuffer(),
                               SignalEvent(&read_event_),
                               Return(params_.frames_per_buffer())));
@@ skipping 222 matching lines @@
 
 TEST_F(AudioOutputControllerTest, DivertRevertClose) {
   Create(kSamplesPerPacket);
   WaitForCreate();
   DivertNeverPlaying();
   RevertWasNotPlaying();
   Close();
 }
 
 }  // namespace media