Enable clang style plugin in webrtc/modules/desktop_capture

webrtc/modules/desktop_capture/win/screen_capturer_win_gdi.h

 /*
  *  Copyright (c) 2014 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 15 matching lines @@
 
 // ScreenCapturerWinGdi captures 32bit RGB using GDI.
 //
 // ScreenCapturerWinGdi is double-buffered as required by ScreenCapturer.
 // This class does not detect DesktopFrame::updated_region(), the field is
 // always set to the entire frame rectangle. ScreenCapturerDifferWrapper should
 // be used if that functionality is necessary.
 class ScreenCapturerWinGdi : public ScreenCapturer {
  public:
   explicit ScreenCapturerWinGdi(const DesktopCaptureOptions& options);
-  virtual ~ScreenCapturerWinGdi();
+  ~ScreenCapturerWinGdi() override;
 
   // Overridden from ScreenCapturer:
   void Start(Callback* callback) override;
   void SetSharedMemoryFactory(
       std::unique_ptr<SharedMemoryFactory> shared_memory_factory) override;
   void CaptureFrame() override;
   bool GetScreenList(ScreenList* screens) override;
   bool SelectScreen(ScreenId id) override;
 
  private:
@@ skipping 29 matching lines @@
 
   HMODULE dwmapi_library_ = NULL;
   DwmEnableCompositionFunc composition_func_ = nullptr;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(ScreenCapturerWinGdi);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_SCREEN_CAPTURER_WIN_GDI_H_