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

media/base/android/media_player_android.h

Index: media/base/android/media_player_android.h
diff --git a/media/base/android/media_player_android.h b/media/base/android/media_player_android.h
index f1c9c37ee090b3adf09733a959a9298c5a31e0b6..a096bdd7d60f75ffd4a44a52b0c693b5bbea7277 100644
--- a/media/base/android/media_player_android.h
+++ b/media/base/android/media_player_android.h
@@ -88,11 +88,10 @@ class MEDIA_EXPORT MediaPlayerAndroid {
 
   // Methods for DemuxerStreamPlayer.
   // Informs DemuxerStreamPlayer that the demuxer is ready.
-  virtual void DemuxerReady(
-      const MediaPlayerHostMsg_DemuxerReady_Params& params);
+  virtual void DemuxerReady(const MediaConfigs& configs);
+
   // Called when the requested data is received from the demuxer.
-  virtual void ReadFromDemuxerAck(
-      const MediaPlayerHostMsg_ReadFromDemuxerAck_Params& params);
+  virtual void ReadFromDemuxerAck(const MediaData& data);
 
   // Called when a seek request is acked by the render process.
   virtual void OnSeekRequestAck(unsigned seek_request_id);