Remove the IPC to request DemuxerConfigs when config changes

media/base/android/media_decoder_job.h

Index: media/base/android/media_decoder_job.h
diff --git a/media/base/android/media_decoder_job.h b/media/base/android/media_decoder_job.h
index 9dbbd00fceaba8c1a222fabfd6e95c0fce8749b1..f2ec3c56f40c4be335ce6f74f31eb694cb470777 100644
--- a/media/base/android/media_decoder_job.h
+++ b/media/base/android/media_decoder_job.h
@@ -78,6 +78,10 @@ class MediaDecoderJob {
   // Enter prerolling state. The job must not currently be decoding.
   void BeginPrerolling(base::TimeDelta preroll_timestamp);
 
+  // Returns the demuxer config if the |received_data_| has it, or NULL
+  // otherwise.
+  DemuxerConfigs* GetDemuxerConfigs();
+
   bool prerolling() const { return prerolling_; }
 
   bool is_decoding() const { return !decode_cb_.is_null(); }