Support setting an explicit duration on MediaSource objects

webkit/media/webmediaplayer_proxy.cc

Index: webkit/media/webmediaplayer_proxy.cc
diff --git a/webkit/media/webmediaplayer_proxy.cc b/webkit/media/webmediaplayer_proxy.cc
index bd888c76a06f52f67adb90d20b56db852604d981..9a2554277f93db43c3789453ae0575f3cb066747 100644
--- a/webkit/media/webmediaplayer_proxy.cc
+++ b/webkit/media/webmediaplayer_proxy.cc
@@ -167,6 +167,10 @@ void WebMediaPlayerProxy::DemuxerAbort(const std::string& id) {
   chunk_demuxer_->Abort(id);
 }
 
+void WebMediaPlayerProxy::DemuxerSetDuration(base::TimeDelta duration) {
+  chunk_demuxer_->SetDuration(duration);
+}
+
 void WebMediaPlayerProxy::DemuxerEndOfStream(media::PipelineStatus status) {
   chunk_demuxer_->EndOfStream(status);
 }