cast: cleanup rtp header and parsing

media/cast/net/rtp/mock_rtp_payload_feedback.h

Index: media/cast/net/rtp/mock_rtp_payload_feedback.h
diff --git a/media/cast/net/rtp/mock_rtp_payload_feedback.h b/media/cast/net/rtp/mock_rtp_payload_feedback.h
index f46d3184763e9edc663e554f02146cfba4bd6986..ab329d19388b4ceee9012f7a55ddff09185c6b3c 100644
--- a/media/cast/net/rtp/mock_rtp_payload_feedback.h
+++ b/media/cast/net/rtp/mock_rtp_payload_feedback.h
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef MEDIA_CAST_RTP_COMMON_MOCK_RTP_PAYLOAD_FEEDBACK_H_
-#define MEDIA_CAST_RTP_COMMON_MOCK_RTP_PAYLOAD_FEEDBACK_H_
+#ifndef MEDIA_CAST_NET_RTP_MOCK_RTP_PAYLOAD_FEEDBACK_H_
+#define MEDIA_CAST_NET_RTP_MOCK_RTP_PAYLOAD_FEEDBACK_H_
 
-#include "media/cast/net/rtp/rtp_receiver_defines.h"
+#include "media/cast/net/rtp/rtp_defines.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace media {
@@ -22,4 +22,4 @@ class MockRtpPayloadFeedback : public RtpPayloadFeedback {
 }  // namespace cast
 }  // namespace media
 
-#endif  // MEDIA_CAST_RTP_COMMON_MOCK_RTP_PAYLOAD_FEEDBACK_H_
+#endif  // MEDIA_CAST_NET_RTP_MOCK_RTP_PAYLOAD_FEEDBACK_H_