Unprefix usage of -webkit-transform in tests

LayoutTests/animations/fill-mode-transform.html

Index: LayoutTests/animations/fill-mode-transform.html
diff --git a/LayoutTests/animations/fill-mode-transform.html b/LayoutTests/animations/fill-mode-transform.html
index a9b12277fdcf60279f28933b37cb118114cc678d..40a053337df3b6720478fe1adc741ee4be04d16c 100644
--- a/LayoutTests/animations/fill-mode-transform.html
+++ b/LayoutTests/animations/fill-mode-transform.html
@@ -12,15 +12,15 @@
       top: 10px;
       height: 100px;
       width: 100px;
-      -webkit-transform: translate3d(100px, 0, 0);
+      transform: translate3d(100px, 0, 0);
       -webkit-animation-delay: 0.1s;
       -webkit-animation-duration: 0.1s;
       -webkit-animation-timing-function: linear;
       -webkit-animation-name: anim;
     }
     @-webkit-keyframes anim {
-        from { -webkit-transform: translate3d(200px, 0, 0); }
-        to   { -webkit-transform: translate3d(300px, 0, 0); }
+        from { transform: translate3d(200px, 0, 0); }
+        to   { transform: translate3d(300px, 0, 0); }
     }
     #a {
       background-color: blue;