Consolidate constructormagic macros with Chromium version and remove Chromium override.

webrtc/modules/rtp_rtcp/source/rtp_format_h264.h

 /*
  *  Copyright (c) 2014 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.
  */
 
@@ skipping 66 matching lines @@
                      size_t fragment_offset,
                      size_t fragment_length);
   void NextAggregatePacket(uint8_t* buffer, size_t* bytes_to_send);
   void NextFragmentPacket(uint8_t* buffer, size_t* bytes_to_send);
 
   const uint8_t* payload_data_;
   size_t payload_size_;
   const size_t max_payload_len_;
   RTPFragmentationHeader fragmentation_;
   PacketQueue packets_;
-  FrameType frame_type_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(RtpPacketizerH264);
 };
 
 // Depacketizer for H264.
 class RtpDepacketizerH264 : public RtpDepacketizer {
  public:
   virtual ~RtpDepacketizerH264() {}
 
   bool Parse(ParsedPayload* parsed_payload,
              const uint8_t* payload_data,
              size_t payload_data_length) override;
 };
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_FORMAT_H264_H_