Pass delay and timestamp to AudioSourceCallback::OnMoreData.

media/audio/audio_io.h

Index: media/audio/audio_io.h
diff --git a/media/audio/audio_io.h b/media/audio/audio_io.h
index 66ff3f2dc98cf7af2324fa1cb58944e29c003342..3c423924f4a5a73e3c265539d7a18fe4b7b1f507 100644
--- a/media/audio/audio_io.h
+++ b/media/audio/audio_io.h
@@ -7,6 +7,7 @@
 
 #include <stdint.h>
 
+#include "base/time/time.h"
 #include "media/base/audio_bus.h"
 
 // Low-level audio output support. To make sound there are 3 objects involved:
@@ -65,6 +66,7 @@ class MEDIA_EXPORT AudioOutputStream {
     // |frames_skipped| contains the number of frames skipped by the consumer.
     virtual int OnMoreData(AudioBus* dest,
                            uint32_t total_bytes_delay,
+                           base::TimeDelta delay_timestamp,

[alokp, 2016/06/30 23:37:39]

please add comments

[jameswest, 2016/07/01 00:08:45]

Done.

                            uint32_t frames_skipped) = 0;
 
     // There was an error while playing a buffer. Audio source cannot be
@@ -114,14 +116,14 @@ class MEDIA_EXPORT AudioInputStream {
     virtual void OnData(AudioInputStream* stream,
                         const AudioBus* source,
                         uint32_t hardware_delay_bytes,
-                        double volume){};
+                        double volume) {}
 
     // TODO(henrika): don't use; to be removed.
     virtual void OnData(AudioInputStream* stream,
                         const uint8_t* src,
                         uint32_t size,
                         uint32_t hardware_delay_bytes,
-                        double volume){};
+                        double volume) {}
 
     // There was an error while recording audio. The audio sink cannot be
     // destroyed yet. No direct action needed by the AudioInputStream, but it