Pass delay and timestamp to AudioSourceCallback::OnMoreData.

media/audio/mock_audio_source_callback.h

Index: media/audio/mock_audio_source_callback.h
diff --git a/media/audio/mock_audio_source_callback.h b/media/audio/mock_audio_source_callback.h
index 163451b4e97f3c78d43786ea1d91eac4405fd440..65f56a4e35cd42babe275c45df1afc36d3a6149f 100644
--- a/media/audio/mock_audio_source_callback.h
+++ b/media/audio/mock_audio_source_callback.h
@@ -8,6 +8,7 @@
 #include <stdint.h>
 
 #include "base/macros.h"
+#include "base/time/time.h"
 #include "media/audio/audio_io.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
@@ -21,6 +22,7 @@ class MockAudioSourceCallback : public AudioOutputStream::AudioSourceCallback {
   MOCK_METHOD3(OnMoreData,
                int(AudioBus* audio_bus,
                    uint32_t total_bytes_delay,
+                   base::TimeDelta delay_timestamp,
                    uint32_t frames_skipped));
   MOCK_METHOD1(OnError, void(AudioOutputStream* stream));