Switch OnMoreData() to use AudioBus.

media/audio/audio_output_controller_unittest.cc

Index: media/audio/audio_output_controller_unittest.cc
diff --git a/media/audio/audio_output_controller_unittest.cc b/media/audio/audio_output_controller_unittest.cc
index 6fe24996dd930d183c2f11219ee19f2fc3320861..70edb1418d51c86e8ac40ac43bed5347b751055e 100644
--- a/media/audio/audio_output_controller_unittest.cc
+++ b/media/audio/audio_output_controller_unittest.cc
@@ -52,7 +52,7 @@ class MockAudioOutputControllerSyncReader
   MockAudioOutputControllerSyncReader() {}
 
   MOCK_METHOD1(UpdatePendingBytes, void(uint32 bytes));
-  MOCK_METHOD2(Read, uint32(void* data, uint32 size));
+  MOCK_METHOD1(Read, int(AudioBus* audio_bus));
   MOCK_METHOD0(Close, void());
   MOCK_METHOD0(DataReady, bool());
 
@@ -125,7 +125,7 @@ TEST_F(AudioOutputControllerTest, PlayPauseClose) {
   MockAudioOutputControllerSyncReader sync_reader;
   EXPECT_CALL(sync_reader, UpdatePendingBytes(_))
       .Times(AtLeast(2));
-  EXPECT_CALL(sync_reader, Read(_, kHardwareBufferSize))
+  EXPECT_CALL(sync_reader, Read(_))
       .WillRepeatedly(DoAll(SignalEvent(&event),
                             Return(4)));
   EXPECT_CALL(sync_reader, DataReady())
@@ -197,7 +197,7 @@ TEST_F(AudioOutputControllerTest, PlayPausePlayClose) {
   MockAudioOutputControllerSyncReader sync_reader;
   EXPECT_CALL(sync_reader, UpdatePendingBytes(_))
       .Times(AtLeast(1));
-  EXPECT_CALL(sync_reader, Read(_, kHardwareBufferSize))
+  EXPECT_CALL(sync_reader, Read(_))
       .WillRepeatedly(DoAll(SignalEvent(&event), Return(4)));
   EXPECT_CALL(sync_reader, DataReady())
       .WillRepeatedly(Return(true));