Unit test out of band H264 SPS,PPS within RtpStreamReceiver.

webrtc/modules/video_coding/h264_sprop_parameter_sets.cc

Index: webrtc/modules/video_coding/h264_sprop_parameter_sets.cc
diff --git a/webrtc/modules/video_coding/h264_sprop_parameter_sets.cc b/webrtc/modules/video_coding/h264_sprop_parameter_sets.cc
index d2e37232a8614be285f0f2fae19e45834aa0d3da..ae298a341f3e8e20c7937ac8664ce11b9c779401 100644
--- a/webrtc/modules/video_coding/h264_sprop_parameter_sets.cc
+++ b/webrtc/modules/video_coding/h264_sprop_parameter_sets.cc
@@ -29,6 +29,7 @@ namespace webrtc {
 
 bool H264SpropParameterSets::DecodeSprop(const std::string& sprop) {
   size_t separator_pos = sprop.find(',');
+  LOG(LS_INFO) << "Parsing sprop \"" << sprop << "\"";
   if ((separator_pos <= 0) || (separator_pos >= sprop.length() - 1)) {
     LOG(LS_WARNING) << "Invalid seperator position " << separator_pos << " *"
                     << sprop << "*";