Use std::move() instead of .Pass() in remoting/host

remoting/host/desktop_shape_tracker_win.cc

Index: remoting/host/desktop_shape_tracker_win.cc
diff --git a/remoting/host/desktop_shape_tracker_win.cc b/remoting/host/desktop_shape_tracker_win.cc
index a98515e0986a2b40e1bb80ee15b99984daa038c7..547d9e33f4494cb7885aedc6abfc1d063d78e950 100644
--- a/remoting/host/desktop_shape_tracker_win.cc
+++ b/remoting/host/desktop_shape_tracker_win.cc
@@ -68,7 +68,7 @@ void DesktopShapeTrackerWin::RefreshDesktopShape() {
 
   // If the shape has changed, refresh |desktop_shape_|.
   if (!EqualRgn(shape_data->desktop_region.get(), old_desktop_region_.get())) {
-    old_desktop_region_ = shape_data->desktop_region.Pass();
+    old_desktop_region_ = std::move(shape_data->desktop_region);
 
     // Determine the size of output buffer required to receive the region.
     DWORD bytes_size = GetRegionData(old_desktop_region_.get(), 0, nullptr);