DevTools: [Persistence] implement automapping

third_party/WebKit/Source/devtools/front_end/platform/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 51 matching lines @@
     while (i !== -1) {
         matches.push(i);
         i = this.indexOf(string, i + string.length);
     }
     return matches;
 };
 
 /**
  * @return {string}
  */
+String.prototype.reverse = function()
+{
+    return this.split("").reverse().join("");
+}
+
+/**
+ * @return {string}
+ */
 String.prototype.replaceControlCharacters = function()
 {
     // Replace C0 and C1 control character sets with printable character.
     // Do not replace '\t', \n' and '\r'.
     return this.replace(/[\u0000-\u0008\u000b\u000c\u000e-\u001f\u0080-\u009f]/g, "�");
 };
 
 /**
  * @return {boolean}
  */
@@ skipping 1458 matching lines @@
     while (rightIndex < rightKeys.length) {
         var rightKey = rightKeys[rightIndex++];
         added.push(other.get(rightKey));
     }
     return {
         added: added,
         removed: removed,
         equal: equal
     };
 };