Reland of "H264SpsPpsTracker.InsertSpsPpsNalus() should accept Nalus with header.

webrtc/video/rtp_stream_receiver.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 666 matching lines @@
   H264SpropParameterSets sprop_decoder;
   auto sprop_base64_it =
       codec_params_it->second.find(cricket::kH264FmtpSpropParameterSets);
 
   if (sprop_base64_it == codec_params_it->second.end())
     return;
 
   if (!sprop_decoder.DecodeSprop(sprop_base64_it->second))
     return;
 
-  tracker_.InsertSpsPps(sprop_decoder.sps_nalu(), sprop_decoder.pps_nalu());
+  tracker_.InsertSpsPpsNalus(sprop_decoder.sps_nalu(),
+                             sprop_decoder.pps_nalu());
 }
 
 }  // namespace webrtc