Add RTC_ prefix to contructormagic macros.

webrtc/modules/rtp_rtcp/source/rtp_format_vp8.h

 /*
  *  Copyright (c) 2011 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 194 matching lines @@
                                                      // descriptors' fixed part.
   const AggregationMode aggr_mode_;
   const bool balance_;
   const bool separate_first_;
   const RTPVideoHeaderVP8 hdr_info_;
   size_t num_partitions_;
   const size_t max_payload_len_;
   InfoQueue packets_;
   bool packets_calculated_;
 
-  DISALLOW_COPY_AND_ASSIGN(RtpPacketizerVp8);
+  RTC_DISALLOW_COPY_AND_ASSIGN(RtpPacketizerVp8);
 };
 
 // Depacketizer for VP8.
 class RtpDepacketizerVp8 : public RtpDepacketizer {
  public:
   virtual ~RtpDepacketizerVp8() {}
 
   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_VP8_H_