Unprefix usage of -webkit-transform in tests

LayoutTests/transitions/transition-end-event-transform.html

Index: LayoutTests/transitions/transition-end-event-transform.html
diff --git a/LayoutTests/transitions/transition-end-event-transform.html b/LayoutTests/transitions/transition-end-event-transform.html
index c3803bc4dcb270dda435761f8679737c247b744f..abd4e760fb24b127b217d9a7199f42685e3f6590 100644
--- a/LayoutTests/transitions/transition-end-event-transform.html
+++ b/LayoutTests/transitions/transition-end-event-transform.html
@@ -8,9 +8,9 @@
       width: 100px;
       margin: 10px;
       background-color: blue;
-      -webkit-transition-property: -webkit-transform;
+      -webkit-transition-property: transform;
       -webkit-transition-duration: 0.5s;
-      -webkit-transform: translate(100px);
+      transform: translate(100px);
     }
   </style>
   <script src="transition-end-event-helpers.js"></script>
@@ -18,7 +18,7 @@
     
     var expectedEndEvents = [
       // [property-name, element-id, elapsed-time, listen]
-      ["-webkit-transform", "box1", 0.5, true]
+      ["transform", "box1", 0.5, true]
     ];
     
     function setupTest()