Add RTC_ prefix to contructormagic macros.

webrtc/modules/audio_coding/neteq/tools/audio_loop.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.
  */
 
@@ skipping 33 matching lines @@
   // |block_length_samples| to the Init() function determines how many samples
   // that can be safely read from the pointer.
   const int16_t* GetNextBlock();
 
  private:
   size_t next_index_;
   size_t loop_length_samples_;
   size_t block_length_samples_;
   rtc::scoped_ptr<int16_t[]> audio_array_;
 
-  DISALLOW_COPY_AND_ASSIGN(AudioLoop);
+  RTC_DISALLOW_COPY_AND_ASSIGN(AudioLoop);
 };
 
 }  // namespace test
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_AUDIO_LOOP_H_