Replace the remaining scoped_ptr with unique_ptr in webrtc/modules/

webrtc/modules/desktop_capture/cropping_window_capturer.h

Index: webrtc/modules/desktop_capture/cropping_window_capturer.h
diff --git a/webrtc/modules/desktop_capture/cropping_window_capturer.h b/webrtc/modules/desktop_capture/cropping_window_capturer.h
index 177b5443a31de717257e40cc0b62e0ebf3540b62..dfeb447e4491b97eb8582661951e933227bd61bf 100644
--- a/webrtc/modules/desktop_capture/cropping_window_capturer.h
+++ b/webrtc/modules/desktop_capture/cropping_window_capturer.h
@@ -13,7 +13,6 @@
 
 #include <memory>
 
-#include "webrtc/base/scoped_ptr.h"
 #include "webrtc/modules/desktop_capture/desktop_capture_options.h"
 #include "webrtc/modules/desktop_capture/screen_capturer.h"
 #include "webrtc/modules/desktop_capture/window_capturer.h"
@@ -32,7 +31,7 @@ class CroppingWindowCapturer : public WindowCapturer,
   // DesktopCapturer implementation.
   void Start(DesktopCapturer::Callback* callback) override;
   void SetSharedMemoryFactory(
-      rtc::scoped_ptr<SharedMemoryFactory> shared_memory_factory) override;
+      std::unique_ptr<SharedMemoryFactory> shared_memory_factory) override;
   void Capture(const DesktopRegion& region) override;
   void SetExcludedWindow(WindowId window) override;