Implementation of 'AudioContext.getOutputTimestamp' method

media/audio/audio_output_proxy_unittest.cc

Index: media/audio/audio_output_proxy_unittest.cc
diff --git a/media/audio/audio_output_proxy_unittest.cc b/media/audio/audio_output_proxy_unittest.cc
index 44af384c4b400ddbd2d25cae36ac6a7f1ad6d2f6..8f1ad6cf3c7be75305e106144e6d47d6ca977370 100644
--- a/media/audio/audio_output_proxy_unittest.cc
+++ b/media/audio/audio_output_proxy_unittest.cc
@@ -142,7 +142,8 @@ class MockAudioSourceCallback : public AudioOutputStream::AudioSourceCallback {
  public:
   int OnMoreData(AudioBus* audio_bus,
                  uint32_t total_bytes_delay,
-                 uint32_t frames_skipped) {
+                 uint32_t frames_skipped,
+                 const media::AudioTimestamp& output_timestamp) {
     audio_bus->Zero();
     return audio_bus->frames();
   }