Add RTC_ prefix to contructormagic macros.

talk/app/webrtc/mediacontroller.cc

 /*
  * libjingle
  * Copyright 2015 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 56 matching lines @@
     call_.reset(webrtc::Call::Create(config));
   }
   void Destruct_w() {
     DCHECK(worker_thread_->IsCurrent());
     call_.reset(nullptr);
   }
 
   rtc::Thread* worker_thread_;
   rtc::scoped_ptr<webrtc::Call> call_;
 
-  DISALLOW_IMPLICIT_CONSTRUCTORS(MediaController);
+  RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(MediaController);
 };
 } // namespace {
 
 namespace webrtc {
 
 MediaControllerInterface* MediaControllerInterface::Create(
     rtc::Thread* worker_thread, webrtc::VoiceEngine* voice_engine) {
   return new MediaController(worker_thread, voice_engine);
 }
 } // namespace webrtc