Unprefix flexbox tests.

LayoutTests/css3/flexbox/flex-no-flex.html

Index: LayoutTests/css3/flexbox/flex-no-flex.html
diff --git a/LayoutTests/css3/flexbox/flex-no-flex.html b/LayoutTests/css3/flexbox/flex-no-flex.html
index c3885a6e9e4654e19a6a4cbc52e250aa24150d8a..d26c14cce9ca08db977407dd3e7102ff2c84621e 100644
--- a/LayoutTests/css3/flexbox/flex-no-flex.html
+++ b/LayoutTests/css3/flexbox/flex-no-flex.html
@@ -5,7 +5,7 @@ body {
     margin: 0;
 }
 .flexbox {
-    display: -webkit-flex;
+    display: flex;
     background-color: #aaa;
     position: relative;
 }
@@ -21,24 +21,24 @@ body {
     height: 200px;
 }
 .row div {
-    -webkit-flex: 1 auto;
+    flex: 1 auto;
 }
 .noflex .row :nth-child(1) {
     width: 50px;
-    -webkit-flex: none;
+    flex: none;
 }
 
 .column {
-    -webkit-flex-direction: column;
+    flex-direction: column;
     width: 200px;
     height: 200px;
 }
 .column div {
-    -webkit-flex: 1 auto;
+    flex: 1 auto;
 }
 .noflex .column :nth-child(1) {
     height: 50px;
-    -webkit-flex: none;
+    flex: none;
 }
 
 </style>