H264 Supplemental Enhancement Information no longer considered a keyframe.

webrtc/modules/rtp_rtcp/source/rtp_format_h264_unittest.cc

Index: webrtc/modules/rtp_rtcp/source/rtp_format_h264_unittest.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_format_h264_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtp_format_h264_unittest.cc
index 22f050b8d080b71079f82bf423905381d9f05c52..1f926d9eeb010246d7fa06190798f60eddd8b2d4 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_format_h264_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_format_h264_unittest.cc
@@ -893,6 +893,7 @@ TEST_F(RtpDepacketizerH264Test, TestSeiPacket) {
   RtpDepacketizer::ParsedPayload payload;
   ASSERT_TRUE(depacketizer_->Parse(&payload, kPayload, sizeof(kPayload)));
   const RTPVideoHeaderH264& h264 = payload.type.Video.codecHeader.H264;
+  EXPECT_EQ(kVideoFrameDelta, payload.frame_type);
   EXPECT_EQ(kH264SingleNalu, h264.packetization_type);
   EXPECT_EQ(kSei, h264.nalu_type);
   ASSERT_EQ(1u, h264.nalus_length);