Unprefix flexbox tests.

LayoutTests/css3/flexbox/flex-flow-orientations.html

Index: LayoutTests/css3/flexbox/flex-flow-orientations.html
diff --git a/LayoutTests/css3/flexbox/flex-flow-orientations.html b/LayoutTests/css3/flexbox/flex-flow-orientations.html
index 9d9eca06ba0305dda4aad29f3b775be8d35f93bb..8416f1717003ce8b46596b9111f159cf31f66278 100644
--- a/LayoutTests/css3/flexbox/flex-flow-orientations.html
+++ b/LayoutTests/css3/flexbox/flex-flow-orientations.html
@@ -8,13 +8,13 @@
     display: inline-block;
 }
 .flexbox {
-    display: -webkit-flex;
+    display: flex;
     background-color: grey;
     width: 100px;
     height: 100px;
 }
 .flexbox > * {
-    -webkit-flex: none;
+    flex: none;
 }
 .title {
     margin-top: 1em;
@@ -38,16 +38,16 @@
     -webkit-writing-mode: vertical-lr;
 }
 .row {
-    -webkit-flex-flow: row;    
+    flex-flow: row;    
 }
 .row-reverse {
-    -webkit-flex-flow: row-reverse;
+    flex-flow: row-reverse;
 }
 .column {
-    -webkit-flex-flow: column;
+    flex-flow: column;
 }
 .column-reverse {
-    -webkit-flex-flow: column-reverse;
+    flex-flow: column-reverse;
 }
 .flexbox > :nth-child(1) {
     background-color: blue;