Replace scoped_ptr with unique_ptr in webrtc/modules/desktop_capture/

webrtc/modules/desktop_capture/screen_capturer_win.cc

Index: webrtc/modules/desktop_capture/screen_capturer_win.cc
diff --git a/webrtc/modules/desktop_capture/screen_capturer_win.cc b/webrtc/modules/desktop_capture/screen_capturer_win.cc
index 18be4eb30ba60e0f0a344f9b95f472a497f26216..22113a870df4fa4c54a140801aecf8c694206ecb 100644
--- a/webrtc/modules/desktop_capture/screen_capturer_win.cc
+++ b/webrtc/modules/desktop_capture/screen_capturer_win.cc
@@ -10,6 +10,7 @@
 
 #include "webrtc/modules/desktop_capture/screen_capturer.h"
 
+#include <memory>
 #include <utility>
 
 #include "webrtc/modules/desktop_capture/desktop_capture_options.h"
@@ -20,7 +21,7 @@ namespace webrtc {
 
 // static
 ScreenCapturer* ScreenCapturer::Create(const DesktopCaptureOptions& options) {
-  rtc::scoped_ptr<ScreenCapturer> gdi_capturer(
+  std::unique_ptr<ScreenCapturer> gdi_capturer(
       new ScreenCapturerWinGdi(options));
 
   if (options.allow_use_magnification_api())