Add sender controlled playout delay limits

webrtc/modules/video_coding/packet.h

Index: webrtc/modules/video_coding/packet.h
diff --git a/webrtc/modules/video_coding/packet.h b/webrtc/modules/video_coding/packet.h
index bb62cb9ac5ba38e5d70d52319d4b4ed7beaab664..ea9cc869d05badb612c4b79d98a16836310a9479 100644
--- a/webrtc/modules/video_coding/packet.h
+++ b/webrtc/modules/video_coding/packet.h
@@ -50,7 +50,7 @@ class VCMPacket {
                          // packet.
   int width;
   int height;
-  RTPVideoHeader codecSpecificHeader;
+  RTPVideoHeader video_header;
 
  protected:
   void CopyCodecSpecifics(const RTPVideoHeader& videoHeader);