Decryptors can report kNoKey to WebMediaPlayer

media/filters/decoder_stream_traits.h

Index: media/filters/decoder_stream_traits.h
diff --git a/media/filters/decoder_stream_traits.h b/media/filters/decoder_stream_traits.h
index 707ff1ca27fca0bbb8f49d68e16474d0fdd52890..ffb265e209c9e45501819e526a171832dd2f1199 100644
--- a/media/filters/decoder_stream_traits.h
+++ b/media/filters/decoder_stream_traits.h
@@ -30,10 +30,12 @@ struct DecoderStreamTraits<DemuxerStream::AUDIO> {
   typedef base::Callback<void(const scoped_refptr<OutputType>&)> OutputCB;
 
   static std::string ToString();
-  static void InitializeDecoder(DecoderType* decoder,
-                                DemuxerStream* stream,
-                                const PipelineStatusCB& status_cb,
-                                const OutputCB& output_cb);
+  static void InitializeDecoder(
+      DecoderType* decoder,
+      DemuxerStream* stream,
+      const PipelineStatusCB& status_cb,
+      const OutputCB& output_cb,
+      const base::Closure& waiting_for_encryption_key_cb);
   static bool NeedsBitstreamConversion(DecoderType* decoder) { return false; }
   static void ReportStatistics(const StatisticsCB& statistics_cb,
                                int bytes_decoded);
@@ -49,10 +51,12 @@ struct DecoderStreamTraits<DemuxerStream::VIDEO> {
   typedef base::Callback<void(const scoped_refptr<OutputType>&)> OutputCB;
 
   static std::string ToString();
-  static void InitializeDecoder(DecoderType* decoder,
-                                DemuxerStream* stream,
-                                const PipelineStatusCB& status_cb,
-                                const OutputCB& output_cb);
+  static void InitializeDecoder(
+      DecoderType* decoder,
+      DemuxerStream* stream,
+      const PipelineStatusCB& status_cb,
+      const OutputCB& output_cb,
+      const base::Closure& waiting_for_encryption_key_cb);
   static bool NeedsBitstreamConversion(DecoderType* decoder);
   static void ReportStatistics(const StatisticsCB& statistics_cb,
                                int bytes_decoded);