Initial support for accessible text fields and focus tracking in ARC++

chrome/browser/resources/chromeos/chromevox/common/chromevox_json.js

 // 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.
 
 goog.provide('cvox.ChromeVoxJSON');
 
 
 /**
  * @fileoverview A simple wrapper around the JSON APIs.
  * If it is possible to use the browser's built in native JSON, then
@@ skipping 37 matching lines @@
 
         return isFinite(this.valueOf()) ?
                    this.getUTCFullYear() + '-' +
                 f(this.getUTCMonth() + 1) + '-' +
                 f(this.getUTCDate()) + 'T' +
                 f(this.getUTCHours()) + ':' +
                 f(this.getUTCMinutes()) + ':' +
                 f(this.getUTCSeconds()) + 'Z' : 'null';
       };
 
-      String.prototype.toJSON =
+      Boolean.prototype.toJSON =
       Number.prototype.toJSON =
-      Boolean.prototype.toJSON = function(key) {
+      String.prototype.toJSON = function(key) {
         return /** @type {string} */ (this.valueOf());
       };
     }
 
     var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
         escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
         gap,
         indent,
         meta = {    // table of character substitutions
           '\b': '\\b',
@@ skipping 288 matching lines @@
           return typeof reviver === 'function' ? walk({'': j}, '') : j;
         }
 
         // If the text is not JSON parseable, then a SyntaxError is thrown.
 
         throw new SyntaxError('JSON.parse');
       };
     }
   }());
 }