Rename MediaPlayerHostMsg_{DemuxerReady,ReadFromDemuxerAck}_Params to Media{Configs,Data}.

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 fd0fafbb1fad5af1faf47a9e86a3755aec882bf2..9a36655323e37794e748416f289591e2bce5c7ee 100644
--- a/media/base/android/media_source_player.h
+++ b/media/base/android/media_source_player.h
@@ -58,10 +58,8 @@ class MEDIA_EXPORT MediaSourcePlayer : public MediaPlayerAndroid {
   virtual bool CanSeekBackward() OVERRIDE;
   virtual bool IsPlayerReady() OVERRIDE;
   virtual void OnSeekRequestAck(unsigned seek_request_id) OVERRIDE;
-  virtual void DemuxerReady(
-      const MediaPlayerHostMsg_DemuxerReady_Params& params) OVERRIDE;
-  virtual void ReadFromDemuxerAck(
-      const MediaPlayerHostMsg_ReadFromDemuxerAck_Params& params) OVERRIDE;
+  virtual void DemuxerReady(const MediaConfigs& configs) OVERRIDE;
+  virtual void ReadFromDemuxerAck(const MediaData& data) OVERRIDE;
   virtual void DurationChanged(const base::TimeDelta& duration) OVERRIDE;
   virtual void SetDrmBridge(MediaDrmBridge* drm_bridge) OVERRIDE;
 
@@ -192,8 +190,8 @@ class MEDIA_EXPORT MediaSourcePlayer : public MediaPlayerAndroid {
   size_t video_access_unit_index_;
   bool waiting_for_audio_data_;
   bool waiting_for_video_data_;
-  MediaPlayerHostMsg_ReadFromDemuxerAck_Params received_audio_;
-  MediaPlayerHostMsg_ReadFromDemuxerAck_Params received_video_;
+  MediaData received_audio_;
+  MediaData received_video_;
 
   // A cancelable task that is posted when the audio decoder starts requesting
   // new data. This callback runs if no data arrives before the timeout period