Remove interface directories kept to avoid breaking downstream.

webrtc/modules/rtp_rtcp/interface/rtp_header_parser.h

-/*
- *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-#ifndef WEBRTC_MODULES_RTP_RTCP_INCLUDE_RTP_HEADER_PARSER_H_
-#define WEBRTC_MODULES_RTP_RTCP_INCLUDE_RTP_HEADER_PARSER_H_
-
-#pragma message("WARNING: rtp_rtcp/interface is DEPRECATED; use include dir.")
-
-#include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "webrtc/typedefs.h"
-
-namespace webrtc {
-
-struct RTPHeader;
-
-class RtpHeaderParser {
- public:
-  static RtpHeaderParser* Create();
-  virtual ~RtpHeaderParser() {}
-
-  // Returns true if the packet is an RTCP packet, false otherwise.
-  static bool IsRtcp(const uint8_t* packet, size_t length);
-
-  // Parses the packet and stores the parsed packet in |header|. Returns true on
-  // success, false otherwise.
-  // This method is thread-safe in the sense that it can parse multiple packets
-  // at once.
-  virtual bool Parse(const uint8_t* packet,
-                     size_t length,
-                     RTPHeader* header) const = 0;
-
-  // Registers an RTP header extension and binds it to |id|.
-  virtual bool RegisterRtpHeaderExtension(RTPExtensionType type,
-                                          uint8_t id) = 0;
-
-  // De-registers an RTP header extension.
-  virtual bool DeregisterRtpHeaderExtension(RTPExtensionType type) = 0;
-};
-}  // namespace webrtc
-#endif  // WEBRTC_MODULES_RTP_RTCP_INCLUDE_RTP_HEADER_PARSER_H_