Roll libjingle to r204

content/renderer/media/rtc_video_capturer.cc

Index: content/renderer/media/rtc_video_capturer.cc
diff --git a/content/renderer/media/rtc_video_capturer.cc b/content/renderer/media/rtc_video_capturer.cc
index 2ffd89e41597cffc71296a1cc0ce26c95a089c05..08dca45c65338954f36acce13429d021b901ec58 100644
--- a/content/renderer/media/rtc_video_capturer.cc
+++ b/content/renderer/media/rtc_video_capturer.cc
@@ -60,6 +60,10 @@ bool RtcVideoCapturer::GetPreferredFourccs(std::vector<uint32>* fourccs) {
   return true;
 }
 
+bool RtcVideoCapturer::IsScreencast() {
+  return false;
+}
+
 bool RtcVideoCapturer::GetBestCaptureFormat(const cricket::VideoFormat& desired,
                                             cricket::VideoFormat* best_format) {
   if (!best_format) {