Fix flakiness of DesktopDragDropClientAuraX11Tests

ui/views/widget/desktop_aura/x11_whole_screen_move_loop.cc

Index: ui/views/widget/desktop_aura/x11_whole_screen_move_loop.cc
diff --git a/ui/views/widget/desktop_aura/x11_whole_screen_move_loop.cc b/ui/views/widget/desktop_aura/x11_whole_screen_move_loop.cc
index 1026cc401493403f26b502f2e90cfd0227f9ab57..6c20841886c5e0dbff851233345102a35bcef8d9 100644
--- a/ui/views/widget/desktop_aura/x11_whole_screen_move_loop.cc
+++ b/ui/views/widget/desktop_aura/x11_whole_screen_move_loop.cc
@@ -55,8 +55,7 @@ class ScopedCapturer {
 
 }  // namespace
 
-X11WholeScreenMoveLoop::X11WholeScreenMoveLoop(
-    X11WholeScreenMoveLoopDelegate* delegate)
+X11WholeScreenMoveLoop::X11WholeScreenMoveLoop(X11MoveLoopDelegate* delegate)
     : delegate_(delegate),
       in_move_loop_(false),
       should_reset_mouse_flags_(false),
@@ -277,7 +276,7 @@ void X11WholeScreenMoveLoop::EndMoveLoop() {
 }
 
 void X11WholeScreenMoveLoop::SetDragImage(const gfx::ImageSkia& image,
-                                          gfx::Vector2dF offset) {
+                                          const gfx::Vector2dF& offset) {
   drag_image_ = image;
   drag_offset_ = offset;
 }