Revert of Use sps and pps to determine decodability of H.264 frames.

webrtc/modules/video_coding/session_info.cc

Index: webrtc/modules/video_coding/session_info.cc
diff --git a/webrtc/modules/video_coding/session_info.cc b/webrtc/modules/video_coding/session_info.cc
index eb053ac2c93231ad122f8b6c51981d7cc473de95..b11f6903b96854dde54b63798bbd3f7e689d2d93 100644
--- a/webrtc/modules/video_coding/session_info.cc
+++ b/webrtc/modules/video_coding/session_info.cc
@@ -109,19 +109,6 @@
   if (packets_.empty() || packets_.front().video_header.codec != kRtpVideoVp8)
     return false;
   return packets_.front().video_header.codecHeader.VP8.nonReference;
-}
-
-std::vector<NaluInfo> VCMSessionInfo::GetNaluInfos() const {
-  if (packets_.empty() || packets_.front().video_header.codec != kRtpVideoH264)
-    return std::vector<NaluInfo>();
-  std::vector<NaluInfo> nalu_infos;
-  for (const VCMPacket& packet : packets_) {
-    for (size_t i = 0; i < packet.video_header.codecHeader.H264.nalus_length;
-         ++i) {
-      nalu_infos.push_back(packet.video_header.codecHeader.H264.nalus[i]);
-    }
-  }
-  return nalu_infos;
 }
 
 void VCMSessionInfo::SetGofInfo(const GofInfoVP9& gof_info, size_t idx) {