Handle floating point coordinates from ozone to exosphere

ui/events/events_default.cc

Index: ui/events/events_default.cc
diff --git a/ui/events/events_default.cc b/ui/events/events_default.cc
index 6b0f95eaefc03ce56b7b56ea5cfae70879897be6..2d2b682ef2c4acfa6c07ce46cb1e910979041486 100644
--- a/ui/events/events_default.cc
+++ b/ui/events/events_default.cc
@@ -36,6 +36,14 @@ gfx::Point EventLocationFromNative(const base::NativeEvent& native_event) {
   return EventSystemLocationFromNative(native_event);
 }
 
+gfx::PointF EventLocationFromNativeF(const base::NativeEvent& native_event) {
+  const ui::LocatedEvent* e =
+      static_cast<const ui::LocatedEvent*>(native_event);
+  DCHECK(e->IsMouseEvent() || e->IsTouchEvent() || e->IsGestureEvent() ||
+         e->IsScrollEvent());
+  return e->location_f();
+}
+
 int GetChangedMouseButtonFlagsFromNative(
     const base::NativeEvent& native_event) {
   const ui::MouseEvent* event =