[Ozone] Do not warp cursor for synthesized events

ash/display/mouse_cursor_event_filter_ozone.cc

Index: ash/display/mouse_cursor_event_filter_ozone.cc
diff --git a/ash/display/mouse_cursor_event_filter_ozone.cc b/ash/display/mouse_cursor_event_filter_ozone.cc
index fe2fb3adfcfbc80a5bc51f40fd4c3423dde1abae..c342dbac644f2d4fdf69b8e4d3707ebb67d7e1e4 100644
--- a/ash/display/mouse_cursor_event_filter_ozone.cc
+++ b/ash/display/mouse_cursor_event_filter_ozone.cc
@@ -16,6 +16,9 @@ void MouseCursorEventFilter::OnDisplayConfigurationChanged() {
 }
 
 bool MouseCursorEventFilter::WarpMouseCursorIfNecessary(ui::MouseEvent* event) {
+  if (event->flags() & ui::EF_IS_SYNTHESIZED)
+    return false;
+
   gfx::Point point_in_screen(event->location());
   aura::Window* target = static_cast<aura::Window*>(event->target());
   wm::ConvertPointToScreen(target, &point_in_screen);