Enable clang style plugin in webrtc/modules/desktop_capture

webrtc/modules/desktop_capture/win/screen_capturer_win_magnifier.h

Index: webrtc/modules/desktop_capture/win/screen_capturer_win_magnifier.h
diff --git a/webrtc/modules/desktop_capture/win/screen_capturer_win_magnifier.h b/webrtc/modules/desktop_capture/win/screen_capturer_win_magnifier.h
index 6c7213817341f06f4091f52c2b1cb7de1379e7b2..b298149754801df6622a6095ab4647be5b43c286 100644
--- a/webrtc/modules/desktop_capture/win/screen_capturer_win_magnifier.h
+++ b/webrtc/modules/desktop_capture/win/screen_capturer_win_magnifier.h
@@ -45,7 +45,7 @@ class ScreenCapturerWinMagnifier : public ScreenCapturer {
   // the magnifier capturer fails (e.g. in Windows8 Metro mode).
   explicit ScreenCapturerWinMagnifier(
       std::unique_ptr<ScreenCapturer> fallback_capturer);
-  virtual ~ScreenCapturerWinMagnifier();
+  ~ScreenCapturerWinMagnifier() override;
 
   // Overridden from ScreenCapturer:
   void Start(Callback* callback) override;