Unprefix flexbox tests.

LayoutTests/css3/flexbox/inline-flex.html

Index: LayoutTests/css3/flexbox/inline-flex.html
diff --git a/LayoutTests/css3/flexbox/inline-flex.html b/LayoutTests/css3/flexbox/inline-flex.html
index b7b01ff311fade513fe2ba8523e35df2add9dac4..1f56974b11906bbc5fc9063c900f5fdfd8f0cbe3 100644
--- a/LayoutTests/css3/flexbox/inline-flex.html
+++ b/LayoutTests/css3/flexbox/inline-flex.html
@@ -8,7 +8,7 @@
     outline: 2px solid darkgreen;
 }
 #testcase > div > div {
-    -webkit-flex: 1;
+    flex: 1;
 }
 </style>
 <script src="../../resources/check-layout.js"></script>
@@ -17,7 +17,7 @@
 
 <div id="testcase" style="position: relative">
 <div data-offset-y="0" data-offset-x="0" data-expected-width="50" data-expected-height="50" style="display: inline-block">
-</div><div data-offset-y="0" data-offset-x="50" data-expected-width="50" data-expected-height="50" style="display: -webkit-inline-flex;">
+</div><div data-offset-y="0" data-offset-x="50" data-expected-width="50" data-expected-height="50" style="display: inline-flex;">
     <div data-expected-width="25"></div>
     <div data-expected-width="25"></div>
 </div><div data-offset-y="0" data-offset-x="100" data-expected-width="50" data-expected-height="50" style="display: inline-block"></div>