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..e7e5255c68ea0b1308484322fdc487bee0d2f0e9 100644
--- a/media/audio/virtual_audio_output_stream.cc
+++ b/media/audio/virtual_audio_output_stream.cc
@@ -7,7 +7,9 @@
 #include <stdint.h>
 
 #include "base/logging.h"
+#include "base/time/time.h"
 #include "media/audio/virtual_audio_input_stream.h"
+#include "media/base/audio_timestamp_helper.h"
 
 namespace media {
 
@@ -79,10 +81,10 @@ double VirtualAudioOutputStream::ProvideInput(AudioBus* audio_bus,
   // platform.
   DCHECK(callback_);
 
-  const uint32_t upstream_delay_in_bytes =
-      params_.GetBytesPerFrame() * frames_delayed;
+  const base::TimeDelta delay =
+      AudioTimestampHelper::FramesToTime(frames_delayed, params_.sample_rate());
   const int frames =
-      callback_->OnMoreData(audio_bus, upstream_delay_in_bytes, 0);
+      callback_->OnMoreData(delay, base::TimeTicks::Now(), 0, audio_bus);
   if (frames < audio_bus->frames())
     audio_bus->ZeroFramesPartial(frames, audio_bus->frames() - frames);