Handle floating point coordinates from ozone to exosphere

ui/events/event.h

Index: ui/events/event.h
diff --git a/ui/events/event.h b/ui/events/event.h
index 20e02626b872b087633488bf4e2e0d8c17e35cd5..816e6b636c9015290dad0e9e7a10fadf84cc0e27 100644
--- a/ui/events/event.h
+++ b/ui/events/event.h
@@ -368,10 +368,7 @@ class EVENTS_EXPORT LocatedEvent : public Event {
   template <class T> void ConvertLocationToTarget(T* source, T* target) {
     if (!target || target == source)
       return;
-    gfx::Point offset = gfx::ToFlooredPoint(location_);
-    T::ConvertPointToTarget(source, target, &offset);
-    gfx::Vector2d diff = gfx::ToFlooredPoint(location_) - offset;
-    location_= location_ - diff;
+    T::ConvertPointToTargetF(source, target, &location_);
   }
 
  protected: