Add RTC_ prefix to contructormagic macros.

webrtc/modules/desktop_capture/screen_capturer_mock_objects.h

Index: webrtc/modules/desktop_capture/screen_capturer_mock_objects.h
diff --git a/webrtc/modules/desktop_capture/screen_capturer_mock_objects.h b/webrtc/modules/desktop_capture/screen_capturer_mock_objects.h
index 373e66f7bd70749488901f51c89c51b6148aae2a..8b83f412528ea811b40785678b76b0b850d76f4b 100644
--- a/webrtc/modules/desktop_capture/screen_capturer_mock_objects.h
+++ b/webrtc/modules/desktop_capture/screen_capturer_mock_objects.h
@@ -27,7 +27,7 @@ class MockScreenCapturer : public ScreenCapturer {
   MOCK_METHOD1(SelectScreen, bool(ScreenId id));
 
  private:
-  DISALLOW_COPY_AND_ASSIGN(MockScreenCapturer);
+  RTC_DISALLOW_COPY_AND_ASSIGN(MockScreenCapturer);
 };
 
 class MockScreenCapturerCallback : public ScreenCapturer::Callback {
@@ -39,7 +39,7 @@ class MockScreenCapturerCallback : public ScreenCapturer::Callback {
   MOCK_METHOD1(OnCaptureCompleted, void(DesktopFrame*));
 
  private:
-  DISALLOW_COPY_AND_ASSIGN(MockScreenCapturerCallback);
+  RTC_DISALLOW_COPY_AND_ASSIGN(MockScreenCapturerCallback);
 };
 
 }  // namespace webrtc