Pass delay and timestamp to AudioSourceCallback::OnMoreData.

media/audio/cras/cras_unified.h

Index: media/audio/cras/cras_unified.h
diff --git a/media/audio/cras/cras_unified.h b/media/audio/cras/cras_unified.h
index 4b75802effe50f1994cf43fb6946f3678b55d3f6..0a6c9388e0124221f387286b3559f7a05ece3a45 100644
--- a/media/audio/cras/cras_unified.h
+++ b/media/audio/cras/cras_unified.h
@@ -18,6 +18,7 @@
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
+#include "base/time/time.h"
 #include "media/audio/audio_io.h"
 #include "media/base/audio_parameters.h"
 
@@ -50,7 +51,7 @@ class MEDIA_EXPORT CrasUnifiedStream : public AudioOutputStream {
 
  private:
   // Convert Latency in time to bytes.
-  uint32_t GetBytesLatency(const struct timespec& latency);
+  base::TimeTicks GetTargetPlayoutTime(const struct timespec& latency_ts);
 
   // Handles captured audio and fills the ouput with audio to be played.
   static int UnifiedCallback(cras_client* client,