Add RTC_ prefix to contructormagic macros.

webrtc/modules/desktop_capture/mac/scoped_pixel_buffer_object.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 15 matching lines @@
 
   bool Init(CGLContextObj cgl_context, int size_in_bytes);
   void Release();
 
   GLuint get() const { return pixel_buffer_object_; }
 
  private:
   CGLContextObj cgl_context_;
   GLuint pixel_buffer_object_;
 
-  DISALLOW_COPY_AND_ASSIGN(ScopedPixelBufferObject);
+  RTC_DISALLOW_COPY_AND_ASSIGN(ScopedPixelBufferObject);
 };
 
 }  // namespace webrtc
 
 #endif // WEBRTC_MODULES_DESKTOP_CAPTURE_SCOPED_PIXEL_BUFFER_OBJECT_H_