Add r-value constructor for RefCountedObject.

webrtc/modules/desktop_capture/shared_desktop_frame.cc

Index: webrtc/modules/desktop_capture/shared_desktop_frame.cc
diff --git a/webrtc/modules/desktop_capture/shared_desktop_frame.cc b/webrtc/modules/desktop_capture/shared_desktop_frame.cc
index e069a54d0284eabc3b005774569dcbdb2018606a..31142352735de2a235fe637c3d281df5c5321e59 100644
--- a/webrtc/modules/desktop_capture/shared_desktop_frame.cc
+++ b/webrtc/modules/desktop_capture/shared_desktop_frame.cc
@@ -23,7 +23,7 @@ SharedDesktopFrame::~SharedDesktopFrame() {}
 std::unique_ptr<SharedDesktopFrame> SharedDesktopFrame::Wrap(
     std::unique_ptr<DesktopFrame> desktop_frame) {
   return std::unique_ptr<SharedDesktopFrame>(
-      new SharedDesktopFrame(new Core(desktop_frame.release())));
+      new SharedDesktopFrame(new Core(std::move(desktop_frame))));
 }
 
 SharedDesktopFrame* SharedDesktopFrame::Wrap(DesktopFrame* desktop_frame) {