Add support for figure element

javatests/org/chromium/distiller/DomUtilTest.java

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.distiller;
 
 import org.chromium.distiller.webdocument.WebTable;
 
 import com.google.gwt.core.client.JsArray;
 import com.google.gwt.dom.client.Document;
@@ skipping 383 matching lines @@
 
         element = element.getNextSiblingElement();
         assertEquals(300*200, DomUtil.getArea(element));
 
         element = element.getNextSiblingElement();
         assertEquals(400*100, DomUtil.getArea(element));
 
         element = element.getFirstChildElement();
         assertEquals(400*100, DomUtil.getArea(element));
     }
+
+    public void testEscapeHTML() {
+        String html = "<a onmouseover=\"alert('1');\" href=\"http://site.com/a&b=1\">link</a>";
+        String expected = "&lt;a onmouseover=&quot;alert(&#039;1&#039;);&quot; " +
+                "href=&quot;http:&#x2F;&#x2F;site.com&#x2F;a&amp;b=1&quot;&gt;link&lt;&#x2F;a&gt;";
+        assertEquals(expected, DomUtil.escapeHTML(html));
+    }
 }