Pass delay and timestamp to AudioSourceCallback::OnMoreData.

media/audio/virtual_audio_output_stream.cc

Index: media/audio/virtual_audio_output_stream.cc
diff --git a/media/audio/virtual_audio_output_stream.cc b/media/audio/virtual_audio_output_stream.cc
index 990e5d5fc90dfd35749330b6f215ae87fb68fdab..0d5aba9a3cf64b9a08569b21e8756a2f3d6d2f77 100644
--- a/media/audio/virtual_audio_output_stream.cc
+++ b/media/audio/virtual_audio_output_stream.cc
@@ -7,6 +7,7 @@
 #include <stdint.h>
 
 #include "base/logging.h"
+#include "base/time/time.h"
 #include "media/audio/virtual_audio_input_stream.h"
 
 namespace media {
@@ -79,10 +80,12 @@ double VirtualAudioOutputStream::ProvideInput(AudioBus* audio_bus,
   // platform.
   DCHECK(callback_);
 
-  const uint32_t upstream_delay_in_bytes =
-      params_.GetBytesPerFrame() * frames_delayed;
-  const int frames =
-      callback_->OnMoreData(audio_bus, upstream_delay_in_bytes, 0);
+  const base::TimeTicks target_playout_time =
+      base::TimeTicks::Now() +
+      base::TimeDelta::FromMicroseconds(frames_delayed *
+                                        base::Time::kMicrosecondsPerSecond /
+                                        params_.sample_rate());
+  const int frames = callback_->OnMoreData(target_playout_time, 0, audio_bus);
   if (frames < audio_bus->frames())
     audio_bus->ZeroFramesPartial(frames, audio_bus->frames() - frames);