Implementation of 'AudioContext.getOutputTimestamp' method

media/audio/audio_output_stream_sink.cc

Index: media/audio/audio_output_stream_sink.cc
diff --git a/media/audio/audio_output_stream_sink.cc b/media/audio/audio_output_stream_sink.cc
index b94e2d265847d33f2a93cab9dc3e8a90a7cbd140..73dd9f775c3fce45d1fd9138b073512006ef6cc6 100644
--- a/media/audio/audio_output_stream_sink.cc
+++ b/media/audio/audio_output_stream_sink.cc
@@ -84,7 +84,8 @@ bool AudioOutputStreamSink::CurrentThreadIsRenderingThread() {
 
 int AudioOutputStreamSink::OnMoreData(AudioBus* dest,
                                       uint32_t total_bytes_delay,
-                                      uint32_t frames_skipped) {
+                                      uint32_t frames_skipped,
+                                      const AudioTimestamp& timestamp) {
   // Note: Runs on the audio thread created by the OS.
   base::AutoLock al(callback_lock_);
   if (!active_render_callback_)
@@ -93,7 +94,8 @@ int AudioOutputStreamSink::OnMoreData(AudioBus* dest,
   uint32_t frames_delayed = std::round(static_cast<double>(total_bytes_delay) /
                                        active_params_.GetBytesPerFrame());
 
-  return active_render_callback_->Render(dest, frames_delayed, frames_skipped);
+  return active_render_callback_->Render(dest, frames_delayed, frames_skipped,
+                                         timestamp);
 }
 
 void AudioOutputStreamSink::OnError(AudioOutputStream* stream) {