Cleanup shared memory handling in DesktopCapturer interface.

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 16 matching lines @@
 // ScreenCapturerWinGdi captures 32bit RGB using GDI.
 //
 // ScreenCapturerWinGdi is double-buffered as required by ScreenCapturer.
 class ScreenCapturerWinGdi : public ScreenCapturer {
  public:
   explicit ScreenCapturerWinGdi(const DesktopCaptureOptions& options);
   virtual ~ScreenCapturerWinGdi();
 
   // Overridden from ScreenCapturer:
   void Start(Callback* callback) override;
+  void SetSharedMemoryFactory(
+      rtc::scoped_ptr<SharedMemoryFactory> shared_memory_factory) override;
   void Capture(const DesktopRegion& region) override;
   bool GetScreenList(ScreenList* screens) override;
   bool SelectScreen(ScreenId id) override;
 
  private:
   typedef HRESULT (WINAPI * DwmEnableCompositionFunc)(UINT);
 
   // Make sure that the device contexts match the screen configuration.
   void PrepareCaptureResources();
 
   // Captures the current screen contents into the current buffer. Returns true
   // if succeeded.
   bool CaptureImage();
 
   // Capture the current cursor shape.
   void CaptureCursor();
 
   Callback* callback_;
+  rtc::scoped_ptr<SharedMemoryFactory> shared_memory_factory_;
   ScreenId current_screen_id_;
   std::wstring current_device_key_;
 
   // A thread-safe list of invalid rectangles, and the size of the most
   // recently captured screen.
   ScreenCapturerHelper helper_;
 
   ScopedThreadDesktop desktop_;
 
   // GDI resources used for screen capture.
@@ skipping 15 matching lines @@
 
   // Used to suppress duplicate logging of SetThreadExecutionState errors.
   bool set_thread_execution_state_failed_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(ScreenCapturerWinGdi);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_SCREEN_CAPTURER_WIN_GDI_H_