Reducing the IPC latency for MSE video decoding

media/base/android/media_source_player.h

Index: media/base/android/media_source_player.h
diff --git a/media/base/android/media_source_player.h b/media/base/android/media_source_player.h
index b3af1be238e866794fd6842bf2a2e711b2dc5693..1dca0f03afb8cd8bc46b001fecff9d95443f12b1 100644
--- a/media/base/android/media_source_player.h
+++ b/media/base/android/media_source_player.h
@@ -102,6 +102,7 @@ class MEDIA_EXPORT MediaSourcePlayer : public MediaPlayerAndroid,
   // Helper method to clear any pending |SURFACE_CHANGE_EVENT_PENDING|
   // and reset |video_decoder_job_| to null.
   void ResetVideoDecoderJob();
+  void ResetAudioDecoderJob();
 
   // Helper methods to configure the decoder jobs.
   void ConfigureVideoDecoderJob();
@@ -282,6 +283,10 @@ class MEDIA_EXPORT MediaSourcePlayer : public MediaPlayerAndroid,
   // Whether |surface_| is currently used by the player.
   bool is_surface_in_use_;
 
+  // Whether there are pending data requests by the decoder.
+  bool has_pending_audio_data_request_;
+  bool has_pending_video_data_request_;
+
   friend class MediaSourcePlayerTest;
   DISALLOW_COPY_AND_ASSIGN(MediaSourcePlayer);
 };