CSS manual tests: reduce usage of webkit prefix

third_party/WebKit/ManualTests/animation/compositor-animation-delay.html

Index: third_party/WebKit/ManualTests/animation/compositor-animation-delay.html
diff --git a/third_party/WebKit/ManualTests/animation/compositor-animation-delay.html b/third_party/WebKit/ManualTests/animation/compositor-animation-delay.html
index 089880ad0327bfd1c1b31b932703fd64564b829e..def757ad98dc22163a6f6bf611591fa3a5c0e006 100644
--- a/third_party/WebKit/ManualTests/animation/compositor-animation-delay.html
+++ b/third_party/WebKit/ManualTests/animation/compositor-animation-delay.html
@@ -6,39 +6,39 @@ div {
     width: 100px;
     background: blue;
     transform: translateZ(0);
-    -webkit-animation-direction: alternate;
-    -webkit-animation-duration: 2s;
-    -webkit-animation-timing-function: linear;
-    -webkit-animation-iteration-count: 6;
+    animation-direction: alternate;
+    animation-duration: 2s;
+    animation-timing-function: linear;
+    animation-iteration-count: 6;
 }
 
 .test0 {
-    -webkit-animation-delay: -30s;
+    animation-delay: -30s;
 }
 
 .test1 {
-    -webkit-animation-delay: -3s;
+    animation-delay: -3s;
 }
 
 .test2 {
-    -webkit-animation-delay: 0s;
+    animation-delay: 0s;
 }
 
 .test3 {
-    -webkit-animation-delay: 3s;
+    animation-delay: 3s;
 }
 
 .anim-left {
-    -webkit-animation-name: anim-left;
+    animation-name: anim-left;
     z-index: 100;
 }
 
 .anim-transform {
-    -webkit-animation-name: anim-transform;
+    animation-name: anim-transform;
     z-index: 200;
 }
 
-@-webkit-keyframes anim-left {
+@keyframes anim-left {
     0% {
         left: 0px;
     }
@@ -47,7 +47,7 @@ div {
     }
 }
 
-@-webkit-keyframes anim-transform {
+@keyframes anim-transform {
     0% {
         transform: translateX(0px);
     }