Enable clang style plugin in webrtc/modules/desktop_capture

webrtc/modules/desktop_capture/desktop_and_cursor_composer.h

Index: webrtc/modules/desktop_capture/desktop_and_cursor_composer.h
diff --git a/webrtc/modules/desktop_capture/desktop_and_cursor_composer.h b/webrtc/modules/desktop_capture/desktop_and_cursor_composer.h
index 801d3e3c9d8a5928a8ce325c1b502993d1078cf5..3e339e8149530a2b14fb3d78b2170bd1255e1c54 100644
--- a/webrtc/modules/desktop_capture/desktop_and_cursor_composer.h
+++ b/webrtc/modules/desktop_capture/desktop_and_cursor_composer.h
@@ -31,7 +31,7 @@ class DesktopAndCursorComposer : public DesktopCapturer,
   // of both arguments.
   DesktopAndCursorComposer(DesktopCapturer* desktop_capturer,
                       MouseCursorMonitor* mouse_monitor);
-  virtual ~DesktopAndCursorComposer();
+  ~DesktopAndCursorComposer() override;
 
   // DesktopCapturer interface.
   void Start(DesktopCapturer::Callback* callback) override;