Move frame_type member from RtpDepacketizer::ParsedPayload to RTPVideoHeader

The latter is also a member of the former. This cleanup is also
a preparation for dropping WebRtcRTPHeader::frameType (or deleting
WebRtcRTPHeader right away), now that it's a video-specific member.


Tbr: kwiberg@webrtc.org # Comment change in modules/include/
Bug: None
Change-Id: I5c1f3f981f0d750713fc9b9b145278150fe32b5d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/133024
Commit-Queue: Niels Moller <nisse@webrtc.org>
Reviewed-by: Åsa Persson <asapersson@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27740}
diff --git a/modules/video_coding/session_info_unittest.cc b/modules/video_coding/session_info_unittest.cc
index 282834b..eea1722 100644
--- a/modules/video_coding/session_info_unittest.cc
+++ b/modules/video_coding/session_info_unittest.cc
@@ -23,7 +23,7 @@
     memset(packet_buffer_, 0, sizeof(packet_buffer_));
     memset(frame_buffer_, 0, sizeof(frame_buffer_));
     session_.Reset();
-    packet_.frameType = VideoFrameType::kVideoFrameDelta;
+    packet_.video_header.frame_type = VideoFrameType::kVideoFrameDelta;
     packet_.sizeBytes = packet_buffer_size();
     packet_.dataPtr = packet_buffer_;
     packet_.seqNum = 0;
@@ -116,7 +116,7 @@
   packet_.video_header.is_first_packet_in_frame = true;
   packet_.seqNum = 0xFFFE;
   packet_.sizeBytes = packet_buffer_size();
-  packet_.frameType = VideoFrameType::kVideoFrameKey;
+  packet_.video_header.frame_type = VideoFrameType::kVideoFrameKey;
   FillPacket(0);
   EXPECT_EQ(packet_buffer_size(), static_cast<size_t>(session_.InsertPacket(
                                       packet_, frame_buffer_, frame_data)));
@@ -138,7 +138,7 @@
   packet_.markerBit = true;
   packet_.seqNum = 2;
   packet_.sizeBytes = 0;
-  packet_.frameType = VideoFrameType::kEmptyFrame;
+  packet_.video_header.frame_type = VideoFrameType::kEmptyFrame;
   EXPECT_EQ(0, session_.InsertPacket(packet_, frame_buffer_, frame_data));
   EXPECT_EQ(packet_.seqNum, session_.HighSequenceNumber());
 }
@@ -309,7 +309,7 @@
 TEST_F(TestNalUnits, OnlyReceivedEmptyPacket) {
   packet_.video_header.is_first_packet_in_frame = false;
   packet_.completeNALU = kNaluComplete;
-  packet_.frameType = VideoFrameType::kEmptyFrame;
+  packet_.video_header.frame_type = VideoFrameType::kEmptyFrame;
   packet_.sizeBytes = 0;
   packet_.seqNum = 0;
   packet_.markerBit = false;