Implementation of 'AudioContext.getOutputTimestamp' method

media/audio/simple_sources.cc

Index: media/audio/simple_sources.cc
diff --git a/media/audio/simple_sources.cc b/media/audio/simple_sources.cc
index f20343a4ee49c6c8bb25bc99e8a3d79e1d4189d2..efca80ce862c72d9dbdb4282b73b115697e248c7 100644
--- a/media/audio/simple_sources.cc
+++ b/media/audio/simple_sources.cc
@@ -117,7 +117,8 @@ SineWaveAudioSource::~SineWaveAudioSource() {
 // but it is efficient enough for our simple needs.
 int SineWaveAudioSource::OnMoreData(AudioBus* audio_bus,
                                     uint32_t total_bytes_delay,
-                                    uint32_t frames_skipped) {
+                                    uint32_t frames_skipped,
+                                    const AudioTimestamp& timestamp) {
   base::AutoLock auto_lock(time_lock_);
   callbacks_++;
 
@@ -202,7 +203,8 @@ void FileSource::LoadWavFile(const base::FilePath& path_to_wav_file) {
 
 int FileSource::OnMoreData(AudioBus* audio_bus,
                            uint32_t total_bytes_delay,
-                           uint32_t frames_skipped) {
+                           uint32_t frames_skipped,
+                           const AudioTimestamp& timestamp) {
   // Load the file if we haven't already. This load needs to happen on the
   // audio thread, otherwise we'll run on the UI thread on Mac for instance.
   // This will massively delay the first OnMoreData, but we'll catch up.
@@ -252,7 +254,8 @@ BeepingSource::~BeepingSource() {
 
 int BeepingSource::OnMoreData(AudioBus* audio_bus,
                               uint32_t total_bytes_delay,
-                              uint32_t frames_skipped) {
+                              uint32_t frames_skipped,
+                              const AudioTimestamp& timestamp) {
   // Accumulate the time from the last beep.
   interval_from_last_beep_ += base::TimeTicks::Now() - last_callback_time_;