Add RTC_ prefix to contructormagic macros.

webrtc/modules/desktop_capture/window_capturer_x11.cc

Index: webrtc/modules/desktop_capture/window_capturer_x11.cc
diff --git a/webrtc/modules/desktop_capture/window_capturer_x11.cc b/webrtc/modules/desktop_capture/window_capturer_x11.cc
index 356830568db274f698bff12bfcafc4c990b70fc1..76c95eba47d03968a2057f43efbbd8390e4d2a87 100755
--- a/webrtc/modules/desktop_capture/window_capturer_x11.cc
+++ b/webrtc/modules/desktop_capture/window_capturer_x11.cc
@@ -82,7 +82,7 @@ class XWindowProperty {
   unsigned long size_;  // NOLINT: type required by XGetWindowProperty
   unsigned char* data_;
 
-  DISALLOW_COPY_AND_ASSIGN(XWindowProperty);
+  RTC_DISALLOW_COPY_AND_ASSIGN(XWindowProperty);
 };
 
 class WindowCapturerLinux : public WindowCapturer,
@@ -129,7 +129,7 @@ class WindowCapturerLinux : public WindowCapturer,
   ::Window selected_window_;
   XServerPixelBuffer x_server_pixel_buffer_;
 
-  DISALLOW_COPY_AND_ASSIGN(WindowCapturerLinux);
+  RTC_DISALLOW_COPY_AND_ASSIGN(WindowCapturerLinux);
 };
 
 WindowCapturerLinux::WindowCapturerLinux(const DesktopCaptureOptions& options)