Unprefix usage of -webkit-transform in tests

LayoutTests/transforms/2d/compound-transforms-vs-containers.html

Index: LayoutTests/transforms/2d/compound-transforms-vs-containers.html
diff --git a/LayoutTests/transforms/2d/compound-transforms-vs-containers.html b/LayoutTests/transforms/2d/compound-transforms-vs-containers.html
index 0555019ecf35157c9cb5d9c2e95bf22c61ca98e1..dc05877e6579810621af993ec11e09acab2abeed 100644
--- a/LayoutTests/transforms/2d/compound-transforms-vs-containers.html
+++ b/LayoutTests/transforms/2d/compound-transforms-vs-containers.html
@@ -30,26 +30,26 @@
 <p>Test ensures that nested transformed elements produce the same result as a single compound transform.You should not see any red in the two tests below</p>
 <div class="container">
   <p>Translate first</p>
-  <div style="-webkit-transform: translate(75px, 20px)">
-    <div style="-webkit-transform: scale(1.6, 1.6)">
-      <div style="-webkit-transform: rotate(45deg)">
+  <div style="transform: translate(75px, 20px)">
+    <div style="transform: scale(1.6, 1.6)">
+      <div style="transform: rotate(45deg)">
         <div class="box" style="background-color: red">Individual</div>
       </div>
     </div>
   </div>
-  <div class="box" style="-webkit-transform: translate(75px, 20px) scale(1.6, 1.6) rotate(45deg);"></div>
+  <div class="box" style="transform: translate(75px, 20px) scale(1.6, 1.6) rotate(45deg);"></div>
 </div>
 
 <div class="container">
   <p>Translate second</p>
-  <div style="-webkit-transform: scale(1.6, 1.6)">
-    <div style="-webkit-transform: translate(75px, 20px)">
-      <div style="-webkit-transform: rotate(45deg)">
+  <div style="transform: scale(1.6, 1.6)">
+    <div style="transform: translate(75px, 20px)">
+      <div style="transform: rotate(45deg)">
         <div class="box" style="background-color: red">Individual</div>
       </div>
     </div>
   </div>
-  <div class="box" style="-webkit-transform: scale(1.6, 1.6) translate(75px, 20px) rotate(45deg);"></div>
+  <div class="box" style="transform: scale(1.6, 1.6) translate(75px, 20px) rotate(45deg);"></div>
 </div>
 
 </body>