CSS Animations: Remove unnecessary webkit prefixes from layout tests

third_party/WebKit/LayoutTests/animations/animation-hit-test.html

Index: third_party/WebKit/LayoutTests/animations/animation-hit-test.html
diff --git a/third_party/WebKit/LayoutTests/animations/animation-hit-test.html b/third_party/WebKit/LayoutTests/animations/animation-hit-test.html
index d6bfbd4501273f4fd90b2888261779bc39f35b01..b7cd3f24f7f94fe06577693d79627a97d87a41a7 100644
--- a/third_party/WebKit/LayoutTests/animations/animation-hit-test.html
+++ b/third_party/WebKit/LayoutTests/animations/animation-hit-test.html
@@ -12,10 +12,10 @@
       height: 200px;
       width: 200px;
       background-color: red;
-      -webkit-animation-duration: 4s;
-      -webkit-animation-timing-function: linear;
+      animation-duration: 4s;
+      animation-timing-function: linear;
     }
-    @-webkit-keyframes anim {
+    @keyframes anim {
         from { left: 100px; }
         to { left: 300px; }
     }
@@ -70,8 +70,8 @@
                 testRunner.waitUntilDone();
             }
       
-            document.getElementById("target").style.webkitAnimationName = "anim";
-            document.addEventListener('webkitAnimationStart', doTest);
+            document.getElementById("target").style.animationName = "anim";
+            document.addEventListener('animationstart', doTest);
         }
    </script>
 </head>