DevTools: [Documentation] Update parser for WikiText

Source/devtools/front_end/common/utilities.js

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 151 matching lines @@
  * @return {string}
  */
 String.prototype.escapeHTML = function()
 {
     return this.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;").replace(/"/g, "&quot;"); //" doublequotes just for editor
 }
 
 /**
  * @return {string}
  */
+String.prototype.unescapeHTML = function()
+{
+    return this.replace(/&lt;/g, "<")
+        .replace(/&gt;/g, ">")
+        .replace(/&#58;/g, ":")
+        .replace(/&quot;/g, "\"")
+        .replace(/&#60;/g, "<")
+        .replace(/&#62;/g, ">")
+        .replace(/&amp;/g, "&");
+}
+
+/**
+ * @return {string}
+ */
 String.prototype.collapseWhitespace = function()
 {
     return this.replace(/[\s\xA0]+/g, " ");
 }
 
 /**
  * @param {number} maxLength
  * @return {string}
  */
 String.prototype.trimMiddle = function(maxLength)
@@ skipping 1556 matching lines @@
         var cbList = callbacks.slice();
         callbacks.length = 0;
         cbList.forEach(function(callback) { callback(); });
     };
     return function setImmediate(callback) {
         if (!callbacks.length)
             new Promise(function(resolve,reject){ resolve(null);}).then(run);
         callbacks.push(callback);
     };
 })();