gfx::Screen: Replace GetWindowUnderCursor() with IsWindowUnderCursor().

ui/views/controls/menu/menu_controller.cc

Index: ui/views/controls/menu/menu_controller.cc
diff --git a/ui/views/controls/menu/menu_controller.cc b/ui/views/controls/menu/menu_controller.cc
index 6290ab9e3edf2e8dddf0fb195635f3887ad7b42c..1dde6bcb3deb827f812b7603774fa64897aba906 100644
--- a/ui/views/controls/menu/menu_controller.cc
+++ b/ui/views/controls/menu/menu_controller.cc
@@ -1443,11 +1443,12 @@ bool MenuController::ShowSiblingMenu(SubmenuView* source,
     return false;
   }
 
-  gfx::NativeWindow window_under_mouse =
-      display::Screen::GetScreen()->GetWindowUnderCursor();
   // TODO(oshima): Replace with views only API.
-  if (!owner_ || window_under_mouse != owner_->GetNativeWindow())
+  if (!owner_ ||
+      !display::Screen::GetScreen()->IsWindowUnderCursor(
+          owner_->GetNativeWindow())) {
     return false;
+  }
 
   // The user moved the mouse outside the menu and over the owning window. See
   // if there is a sibling menu we should show.