Add RTC_ prefix to contructormagic macros.

webrtc/modules/desktop_capture/window_capturer_null.cc

 /*
  *  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 17 matching lines @@
   bool SelectWindow(WindowId id) override;
   bool BringSelectedWindowToFront() override;
 
   // DesktopCapturer interface.
   void Start(Callback* callback) override;
   void Capture(const DesktopRegion& region) override;
 
  private:
   Callback* callback_;
 
-  DISALLOW_COPY_AND_ASSIGN(WindowCapturerNull);
+  RTC_DISALLOW_COPY_AND_ASSIGN(WindowCapturerNull);
 };
 
 WindowCapturerNull::WindowCapturerNull()
     : callback_(NULL) {
 }
 
 WindowCapturerNull::~WindowCapturerNull() {
 }
 
 bool WindowCapturerNull::GetWindowList(WindowList* windows) {
@@ skipping 24 matching lines @@
 }
 
 }  // namespace
 
 // static
 WindowCapturer* WindowCapturer::Create(const DesktopCaptureOptions& options) {
   return new WindowCapturerNull();
 }
 
 }  // namespace webrtc