Prepare MediaDrmBridge to work with MediaCodecPlayer

media/base/android/media_codec_audio_decoder.h

Index: media/base/android/media_codec_audio_decoder.h
diff --git a/media/base/android/media_codec_audio_decoder.h b/media/base/android/media_codec_audio_decoder.h
index df0193fe5c09d24b56466d1c17ef81057599d51f..dd1cd9c157431f0891664bf3fe324e40428bfeb7 100644
--- a/media/base/android/media_codec_audio_decoder.h
+++ b/media/base/android/media_codec_audio_decoder.h
@@ -23,6 +23,7 @@ class MediaCodecAudioDecoder : public MediaCodecDecoder {
       const base::Closure& starvation_cb,
       const base::Closure& decoder_drained_cb,
       const base::Closure& stop_done_cb,
+      const base::Closure& key_required_cb,
       const base::Closure& error_cb,
       const SetTimeCallback& update_current_time_cb);
   ~MediaCodecAudioDecoder() override;
@@ -31,6 +32,7 @@ class MediaCodecAudioDecoder : public MediaCodecDecoder {
 
   bool HasStream() const override;
   void SetDemuxerConfigs(const DemuxerConfigs& configs) override;
+  bool IsContentEncrypted() const override;
   void ReleaseDecoderResources() override;
   void Flush() override;