Update CSS tests to revision 31d63cc79bd4c929ed582229e936d7b389f3e6ab

tests/wpt/css-tests/css-transforms-1_dev/xhtml1print/css-transform-property-existence.xht

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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml"><head>
+    <meta charset="utf-8" />
+    <title>CSS Transforms Test: property existence</title>
+    <link href="http://www.intel.com" rel="author" title="Intel" />
+    <link href="http://www.w3.org/TR/css-transforms-1/#propdef-transform" rel="help" />
+    <meta content="dom" name="flags" />
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+  </head>
+  <body>
+    <div id="test"></div>
+    <div id="log"></div>
+    <script>
+      test(function() {
+        assert_not_equals(document.getElementById("test").style.transfor, undefined, "expect transform is not undefined");
+      }, "Check the existence of transform.");
+
+      test(function() {
+        assert_own_property(document.getElementById("test").style, "transform-origin", "expect transform-origin");
+      }, "Check the existence of transform-origin.");
+
+      test(function() {
+        assert_own_property(document.getElementById("test").style, "transform-style", "expect transform-style");
+      }, "Check the existence of transform-style.");
+
+      test(function() {
+        assert_own_property(document.getElementById("test").style, "perspective", "expect perspective");
+      }, "Check the existence of perspective.");
+
+      test(function() {
+        assert_own_property(document.getElementById("test").style, "perspective-origin", "expect perspective-origin");
+      }, "Check the existence of perspective-origin.");
+
+      test(function() {
+        assert_own_property(document.getElementById("test").style, "backface-visibility", "expect backface-visibility");
+      }, "Check the existence of backface-visibility.");
+    </script>
+  
+
+</body></html>