Add content type information to encoded images and corresponding rtp extension header

webrtc/test/fake_decoder.cc

Index: webrtc/test/fake_decoder.cc
diff --git a/webrtc/test/fake_decoder.cc b/webrtc/test/fake_decoder.cc
index 25f80779e2a0ea39a749d658e3e52bd0c4943704..49241d29c64ab8d98686927252a8f01eca72f95b 100644
--- a/webrtc/test/fake_decoder.cc
+++ b/webrtc/test/fake_decoder.cc
@@ -31,7 +31,7 @@ int32_t FakeDecoder::Decode(const EncodedImage& input,
                             const CodecSpecificInfo* codec_specific_info,
                             int64_t render_time_ms) {
   VideoFrame frame(I420Buffer::Create(config_.width, config_.height),
-                   webrtc::kVideoRotation_0,
+                   webrtc::kVideoRotation_0, webrtc::VideoContentType::kDefault,
                    render_time_ms * rtc::kNumMicrosecsPerMillisec);
   frame.set_timestamp(input._timeStamp);
   frame.set_ntp_time_ms(input.ntp_time_ms_);