Unprefix usage of -webkit-transform in tests

LayoutTests/transforms/3d/hit-testing/rotated-hit-test.html

Index: LayoutTests/transforms/3d/hit-testing/rotated-hit-test.html
diff --git a/LayoutTests/transforms/3d/hit-testing/rotated-hit-test.html b/LayoutTests/transforms/3d/hit-testing/rotated-hit-test.html
index 52cc7d44a562eb4766d3713f00a144dd5797e108..e6b2a36b502d41ce9f4a89e0493d69609147abc1 100644
--- a/LayoutTests/transforms/3d/hit-testing/rotated-hit-test.html
+++ b/LayoutTests/transforms/3d/hit-testing/rotated-hit-test.html
@@ -22,22 +22,22 @@
     
     #left {
       -webkit-transform-origin: 10% 50%;
-      -webkit-transform: rotateY(90deg);
+      transform: rotateY(90deg);
     }
 
     #top {
       -webkit-transform-origin: 50% 10%;
-      -webkit-transform: rotateX(-90deg);
+      transform: rotateX(-90deg);
     }
 
     #right {
       -webkit-transform-origin: 90% 50%;
-      -webkit-transform: rotateY(-90deg);
+      transform: rotateY(-90deg);
     }
 
     #bottom {
       -webkit-transform-origin: 50% 90%;
-      -webkit-transform: rotateX(90deg);
+      transform: rotateX(90deg);
     }
 
     .box:hover {