Implementation of 'AudioContext.getOutputTimestamp' method

chromecast/media/audio/cast_audio_output_stream_unittest.cc

Index: chromecast/media/audio/cast_audio_output_stream_unittest.cc
diff --git a/chromecast/media/audio/cast_audio_output_stream_unittest.cc b/chromecast/media/audio/cast_audio_output_stream_unittest.cc
index e65aa25631cc4f8ccc8f93df93ebcc373707b00b..d4c8ee8a65d331bc096f234744f6707eb8ab77c7 100644
--- a/chromecast/media/audio/cast_audio_output_stream_unittest.cc
+++ b/chromecast/media/audio/cast_audio_output_stream_unittest.cc
@@ -155,7 +155,8 @@ class FakeAudioSourceCallback
   // ::media::AudioOutputStream::AudioSourceCallback overrides.
   int OnMoreData(::media::AudioBus* audio_bus,
                  uint32_t total_bytes_delay,
-                 uint32_t frames_skipped) override {
+                 uint32_t frames_skipped,
+                 const ::media::AudioTimestamp& timestamp = {0,0}) override {
     audio_bus->Zero();
     return audio_bus->frames();
   }