Add is_encrypted() in VideoDecoderConfig.

media/mp4/mp4_stream_parser.cc

Index: media/mp4/mp4_stream_parser.cc
diff --git a/media/mp4/mp4_stream_parser.cc b/media/mp4/mp4_stream_parser.cc
index b8f633131505f6c3eb458853238b4e554726bb75..b661997a083d3f67dabd8ac5614f7eacba4266c4 100644
--- a/media/mp4/mp4_stream_parser.cc
+++ b/media/mp4/mp4_stream_parser.cc
@@ -154,6 +154,8 @@ bool MP4StreamParser::ParseMoov(BoxReader* reader) {
 
   AudioDecoderConfig audio_config;
   VideoDecoderConfig video_config;
+  bool is_audio_encrypted = false;
+  bool is_video_encrypted = false;
 
   for (std::vector<Track>::const_iterator track = moov_->tracks.begin();
        track != moov_->tracks.end(); ++track) {
@@ -198,6 +200,8 @@ bool MP4StreamParser::ParseMoov(BoxReader* reader) {
         LOG(ERROR) << "Unsupported audio object type.";
         return false;
       }
+
+      is_audio_encrypted = entry.sinf.info.track_encryption.is_encrypted;
       RCHECK(EmitKeyNeeded(entry.sinf.info.track_encryption));
 
       audio_config.Initialize(kCodecAAC, entry.samplesize,
@@ -219,6 +223,8 @@ bool MP4StreamParser::ParseMoov(BoxReader* reader) {
         LOG(ERROR) << "Unsupported video format.";
         return false;
       }
+
+      is_video_encrypted = entry.sinf.info.track_encryption.is_encrypted;
       RCHECK(EmitKeyNeeded(entry.sinf.info.track_encryption));
 
       // TODO(strobe): Recover correct crop box
@@ -237,7 +243,8 @@ bool MP4StreamParser::ParseMoov(BoxReader* reader) {
     }
   }
 
-  RCHECK(config_cb_.Run(audio_config, video_config));
+  RCHECK(config_cb_.Run(audio_config, video_config,
+                        is_audio_encrypted, is_video_encrypted));
 
   base::TimeDelta duration;
   if (moov_->extends.header.fragment_duration > 0) {