Replace scoped_ptr with unique_ptr in webrtc/modules/desktop_capture/

webrtc/modules/desktop_capture/win/screen_capturer_win_gdi.h

Index: webrtc/modules/desktop_capture/win/screen_capturer_win_gdi.h
diff --git a/webrtc/modules/desktop_capture/win/screen_capturer_win_gdi.h b/webrtc/modules/desktop_capture/win/screen_capturer_win_gdi.h
index a91e7444808507d6891268b5f806d5c3d7e90a4e..17cb0aa1940e3862b33a32be59a002576b8df5a1 100644
--- a/webrtc/modules/desktop_capture/win/screen_capturer_win_gdi.h
+++ b/webrtc/modules/desktop_capture/win/screen_capturer_win_gdi.h
@@ -11,6 +11,8 @@
 #ifndef WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_SCREEN_CAPTURER_WIN_GDI_H_
 #define WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_SCREEN_CAPTURER_WIN_GDI_H_
 
+#include <memory>
+
 #include "webrtc/modules/desktop_capture/screen_capturer.h"
 
 #include <windows.h>
@@ -54,7 +56,7 @@ class ScreenCapturerWinGdi : public ScreenCapturer {
   void CaptureCursor();
 
   Callback* callback_;
-  rtc::scoped_ptr<SharedMemoryFactory> shared_memory_factory_;
+  std::unique_ptr<SharedMemoryFactory> shared_memory_factory_;
   ScreenId current_screen_id_;
   std::wstring current_device_key_;
 
@@ -76,7 +78,7 @@ class ScreenCapturerWinGdi : public ScreenCapturer {
   DesktopRect desktop_dc_rect_;
 
   // Class to calculate the difference between two screen bitmaps.
-  rtc::scoped_ptr<Differ> differ_;
+  std::unique_ptr<Differ> differ_;
 
   HMODULE dwmapi_library_;
   DwmEnableCompositionFunc composition_func_;