CSS Filters: Reduce usage of webkit prefix in layout tests

third_party/WebKit/LayoutTests/css3/filters/composited-during-transition-layertree.html

Index: third_party/WebKit/LayoutTests/css3/filters/composited-during-transition-layertree.html
diff --git a/third_party/WebKit/LayoutTests/css3/filters/composited-during-transition-layertree.html b/third_party/WebKit/LayoutTests/css3/filters/composited-during-transition-layertree.html
index 81541ca20b3def5bf8d81ddf353bdf53c9318932..5ce1ea8a1a9363775326f911b6195e19ff5756d2 100644
--- a/third_party/WebKit/LayoutTests/css3/filters/composited-during-transition-layertree.html
+++ b/third_party/WebKit/LayoutTests/css3/filters/composited-during-transition-layertree.html
@@ -7,55 +7,55 @@
     }
 
     #grayscale-box {
-        -webkit-transition: -webkit-filter 5s;
-        -webkit-filter: grayscale(0);
+        transition: filter 5s;
+        filter: grayscale(0);
     }
 
     .trigger #grayscale-box {
-        -webkit-filter: grayscale(1);
+        filter: grayscale(1);
     }
 
     #sepia-box {
-        -webkit-filter: sepia(1);
+        filter: sepia(1);
     }
 
     #saturate-box {
-        -webkit-transition: -webkit-filter 5s;
-        -webkit-filter: saturate(0);
+        transition: filter 5s;
+        filter: saturate(0);
     }
 
     .trigger #saturate-box {
-        -webkit-filter: saturate(1);
+        filter: saturate(1);
     }
 
     #huerotate-box {
-        -webkit-filter: hue-rotate(90deg);
+        filter: hue-rotate(90deg);
     }
 
     #invert-box {
-        -webkit-transition: -webkit-filter 5s;
-        -webkit-filter: invert(0);
+        transition: filter 5s;
+        filter: invert(0);
     }
 
     .trigger #invert-box {
-        -webkit-filter: invert(1);
+        filter: invert(1);
     }
 
     #opacity-box {
-        -webkit-filter: opacity(0.5);
+        filter: opacity(0.5);
     }
 
     #brightness-box {
-        -webkit-transition: -webkit-filter 5s;
-        -webkit-filter: brightness(0);
+        transition: filter 5s;
+        filter: brightness(0);
     }
 
     .trigger #brightness-box {
-        -webkit-filter: brightness(1);
+        filter: brightness(1);
     }
 
     #contrast-box {
-        -webkit-filter: contrast(0);
+        filter: contrast(0);
     }
   </style>
   <script>