Bug 1510172 [wpt PR 14252] - Update interfaces/uievents.idl, a=testonly

Automatic update from web-platform-tests
Update interfaces/uievents.idl

Source: https://github.com/tidoust/reffy-reports/blob/6f56f1e/whatwg/idl/uievents.idl
Build: https://travis-ci.org/tidoust/reffy-reports/builds/460112731

--

wpt-commits: be0a96f608d92117fe4d666342925da70a8bd6c9
wpt-pr: 14252

testing/web-platform/tests/interfaces/uievents.idl

@@ -96,11 +96,13 @@ dictionary WheelEventInit : MouseEventInit {
 interface InputEvent : UIEvent {
   readonly attribute DOMString? data;
   readonly attribute boolean isComposing;
+  readonly attribute DOMString inputType;
 };
 
 dictionary InputEventInit : UIEventInit {
   DOMString? data = "";
   boolean isComposing = false;
+  DOMString inputType = "";
 };
 
 [Constructor(DOMString type, optional KeyboardEventInit eventInitDict), Exposed=Window]