Implementation of 'AudioContext.getOutputTimestamp' method

content/browser/renderer_host/media/audio_sync_reader.cc

Index: content/browser/renderer_host/media/audio_sync_reader.cc
diff --git a/content/browser/renderer_host/media/audio_sync_reader.cc b/content/browser/renderer_host/media/audio_sync_reader.cc
index 943cedb4d0b6a839e1e1f82a95c77a3f9cce4e58..f909a58b7b6803540fdb5b6d1f9431ab642fd900 100644
--- a/content/browser/renderer_host/media/audio_sync_reader.cc
+++ b/content/browser/renderer_host/media/audio_sync_reader.cc
@@ -13,10 +13,12 @@
 #include "build/build_config.h"
 #include "content/browser/renderer_host/media/media_stream_manager.h"
 #include "content/public/common/content_switches.h"
+#include "media/audio/audio_device_thread.h"
 #include "media/base/audio_parameters.h"
 
 using media::AudioBus;
 using media::AudioOutputBuffer;
+using Packet = media::AudioDeviceThread::Packet;
 
 namespace {
 
@@ -106,8 +108,10 @@ AudioSyncReader::~AudioSyncReader() {
 }
 
 // media::AudioOutputController::SyncReader implementations.
-void AudioSyncReader::UpdatePendingBytes(uint32_t bytes,
-                                         uint32_t frames_skipped) {
+void AudioSyncReader::UpdatePendingBytes(
+    uint32_t bytes,
+    uint32_t frames_skipped,
+    const media::AudioTimestamp& output_timestamp) {
   // Increase the number of skipped frames stored in shared memory. We don't
   // send it over the socket since sending more than 4 bytes might lead to being
   // descheduled. The reading side will zero it when consumed.
@@ -119,7 +123,8 @@ void AudioSyncReader::UpdatePendingBytes(uint32_t bytes,
   // in the anomalous case if the renderer is unable to keep up with real-time.
   output_bus_->Zero();
 
-  socket_->Send(&bytes, sizeof(bytes));
+  Packet packet = {bytes, output_timestamp};
+  socket_->Send(&packet, sizeof(packet));
   ++buffer_index_;
 }