Revert of DevTools: Fix console.log for arrays in some corner cases.

Source/devtools/front_end/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 269 matching lines @@
                     return chunkb.length - chunka.length;
             }
         } else if (chunka !== chunkb)
             return (chunka < chunkb) ? -1 : 1;
         a = a.substring(chunka.length);
         b = b.substring(chunkb.length);
     }
 }
 
 /**
- * @param {string} name
- * @param {number=} arrayLength
- * @return {boolean}
- */
-String.isArrayIndexPropertyName = function(name, arrayLength)
-{
-    // Array index check according to the ES5-15.4.
-    var index = name >>> 0;
-    return String(index) === name && index !== 0xffffffff && (typeof arrayLength === "undefined" || index < arrayLength);
-}
-
-/**
  * @param {number} num
  * @param {number} min
  * @param {number} max
  * @return {number}
  */
 Number.constrain = function(num, min, max)
 {
     if (num < min)
         num = min;
     else if (num > max)
@@ skipping 1203 matching lines @@
             this._outgoingCallback();
     }
 }
 
 /**
  * @param {*} value
  */
 function suppressUnused(value)
 {
 }