Implement timing frames.

webrtc/test/fuzzers/rtp_packet_fuzzer.cc

Index: webrtc/test/fuzzers/rtp_packet_fuzzer.cc
diff --git a/webrtc/test/fuzzers/rtp_packet_fuzzer.cc b/webrtc/test/fuzzers/rtp_packet_fuzzer.cc
index da6294824a418f687d730717fa6e9edc46e02b16..db41e1a9baf08cabaf859d7b837c3c45736b9e9d 100644
--- a/webrtc/test/fuzzers/rtp_packet_fuzzer.cc
+++ b/webrtc/test/fuzzers/rtp_packet_fuzzer.cc
@@ -90,6 +90,10 @@ void FuzzOneInput(const uint8_t* data, size_t size) {
         VideoContentType content_type;
         packet.GetExtension<VideoContentTypeExtension>(&content_type);
         break;
+      case kRtpExtensionVideoTiming:
+        VideoTiming timing;
+        packet.GetExtension<VideoTimingExtension>(&timing);
+        break;
       case kRtpExtensionRtpStreamId: {
         std::string rsid;
         packet.GetExtension<RtpStreamId>(&rsid);