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

content/renderer/media/android/webmediaplayer_proxy_android.cc

Index: content/renderer/media/android/webmediaplayer_proxy_android.cc
diff --git a/content/renderer/media/android/webmediaplayer_proxy_android.cc b/content/renderer/media/android/webmediaplayer_proxy_android.cc
index ef8c3d7cdcc9053d2b479a7181e9b1b5d1de7b4e..aa50da061f56fd855f73fa764dfa0a4cf49f47e0 100644
--- a/content/renderer/media/android/webmediaplayer_proxy_android.cc
+++ b/content/renderer/media/android/webmediaplayer_proxy_android.cc
@@ -178,9 +178,9 @@ void WebMediaPlayerProxyAndroid::ExitFullscreen(int player_id) {
 
 void WebMediaPlayerProxyAndroid::ReadFromDemuxerAck(
     int player_id,
-    const media::MediaPlayerHostMsg_ReadFromDemuxerAck_Params& params) {
+    const media::MediaData& data) {
   Send(new MediaPlayerHostMsg_ReadFromDemuxerAck(
-      routing_id(), player_id, params));
+      routing_id(), player_id, data));
 }
 
 void WebMediaPlayerProxyAndroid::SeekRequestAck(int player_id,
@@ -219,8 +219,8 @@ void WebMediaPlayerProxyAndroid::OnReadFromDemuxer(
 
 void WebMediaPlayerProxyAndroid::DemuxerReady(
     int player_id,
-    const media::MediaPlayerHostMsg_DemuxerReady_Params& params) {
-  Send(new MediaPlayerHostMsg_DemuxerReady(routing_id(), player_id, params));
+    const media::MediaConfigs& configs) {
+  Send(new MediaPlayerHostMsg_DemuxerReady(routing_id(), player_id, configs));
 }
 
 void WebMediaPlayerProxyAndroid::DurationChanged(