Move rtp header extension length check from Packet::FindExtension to ExtensionT::Parse

webrtc/modules/rtp_rtcp/source/rtp_packet_unittest.cc

Index: webrtc/modules/rtp_rtcp/source/rtp_packet_unittest.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_packet_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtp_packet_unittest.cc
index d8870654f8b37071a9d79c3e22447e85bf338037..bdf3aba7b00013ae8c20d3e0db6a732652f72659 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_packet_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_packet_unittest.cc
@@ -358,7 +358,7 @@ TEST(RtpPacketTest, ParseWithoutExtensionManager) {
   int32_t time_offset = 0;
   auto raw_extension = packet.GetRawExtension(kTransmissionOffsetExtensionId);
   EXPECT_EQ(raw_extension.size(), TransmissionOffset::kValueSizeBytes);
-  EXPECT_TRUE(TransmissionOffset::Parse(raw_extension.data(), &time_offset));
+  EXPECT_TRUE(TransmissionOffset::Parse(raw_extension, &time_offset));
 
   EXPECT_EQ(time_offset, kTimeOffset);
 }