Add is_encrypted() in VideoDecoderConfig.

media/base/stream_parser.h

Index: media/base/stream_parser.h
diff --git a/media/base/stream_parser.h b/media/base/stream_parser.h
index 64a8c4978128b609be36cdfaf4de984007a72b1b..39481719f5ccdfa9905412e4666dc1e6629e9226 100644
--- a/media/base/stream_parser.h
+++ b/media/base/stream_parser.h
@@ -40,11 +40,14 @@ class MEDIA_EXPORT StreamParser {
   //                   then it means that there isn't an audio stream.
   // Second parameter - The new video configuration. If the config is not valid
   //                    then it means that there isn't an audio stream.
+  // Third parameter - Whether the audio stream is encrypted.
+  // Fourth parameter - Whether the video stream is encrypted.
   // Return value - True if the new configurations are accepted.
   //                False if the new configurations are not supported
   //                and indicates that a parsing error should be signalled.
   typedef base::Callback<bool(const AudioDecoderConfig&,
-                              const VideoDecoderConfig&)> NewConfigCB;
+                              const VideoDecoderConfig&,
+                              bool, bool)> NewConfigCB;
 
   // New stream buffers have been parsed.
   // First parameter - A queue of newly parsed buffers.