Don't drop the floating point part of events when converting types.

ui/events/gestures/motion_event_aura.cc

Index: ui/events/gestures/motion_event_aura.cc
diff --git a/ui/events/gestures/motion_event_aura.cc b/ui/events/gestures/motion_event_aura.cc
index 54139e5590f7073297e808d6d0d9e7eec0a61cc5..6890753641195f22a7e0f07be2e0ac6c9cd4bcd0 100644
--- a/ui/events/gestures/motion_event_aura.cc
+++ b/ui/events/gestures/motion_event_aura.cc
@@ -54,7 +54,7 @@ bool MotionEventAura::OnTouch(const TouchEvent& touch) {
     // crbug.com/446852 for details.
 
     // Cancel the existing touch, before handling the touch press.
-    TouchEvent cancel(ET_TOUCH_CANCELLED, touch.location(), touch.touch_id(),
+    TouchEvent cancel(ET_TOUCH_CANCELLED, touch.location_f(), touch.touch_id(),
                       touch.time_stamp());
     OnTouch(cancel);
     CleanupRemovedTouchPoints(cancel);