gfx: Make conversions from gfx::Point to PointF explicit.

ui/events/test/events_test_utils.h

Index: ui/events/test/events_test_utils.h
diff --git a/ui/events/test/events_test_utils.h b/ui/events/test/events_test_utils.h
index d4b704a48531da69dd2a7010da9444141d38edce..c9bd55d0383abf10a74baf2682674696d609ad40 100644
--- a/ui/events/test/events_test_utils.h
+++ b/ui/events/test/events_test_utils.h
@@ -39,7 +39,7 @@ class LocatedEventTestApi : public EventTestApi {
   explicit LocatedEventTestApi(LocatedEvent* located_event);
   ~LocatedEventTestApi() override;
 
-  void set_location(const gfx::Point& location) {
+  void set_location(const gfx::PointF& location) {
     located_event_->location_ = location;
   }