From 61b0aa944bbacf6e5b4ff4e3528c2b5b77f018f1 Mon Sep 17 00:00:00 2001
From: nightwing <amirjanyan@gmail.com>
Date: Sun, 17 Feb 2013 18:31:57 +0400
Subject: [PATCH] do not modify string split on chrome

---
 lib/ace/lib/es5-shim.js | 46 +----------------------------------------
 1 file changed, 1 insertion(+), 45 deletions(-)

diff --git a/lib/ace/lib/es5-shim.js b/lib/ace/lib/es5-shim.js
index 46a45ffe..217bdc61 100644
--- a/lib/ace/lib/es5-shim.js
+++ b/lib/ace/lib/es5-shim.js
@@ -982,45 +982,6 @@ if (!Date.now) {
 // ======
 //
 
-
-// ES5 15.5.4.14
-// http://es5.github.com/#x15.5.4.14
-// [bugfix, chrome]
-// If separator is undefined, then the result array contains just one String,
-// which is the this value (converted to a String). If limit is not undefined,
-// then the output array is truncated so that it contains no more than limit
-// elements.
-// "0".split(undefined, 0) -> []
-if("0".split(void 0, 0).length) {
-    var string_split = String.prototype.split;
-    String.prototype.split = function(separator, limit) {
-        if(separator === void 0 && limit === 0)return [];
-        return string_split.apply(this, arguments);
-    }
-}
-
-// ECMA-262, 3rd B.2.3
-// Note an ECMAScript standart, although ECMAScript 3rd Edition has a
-// non-normative section suggesting uniform semantics and it should be
-// normalized across all browsers
-// [bugfix, IE lt 9] IE < 9 substr() with negative value not working in IE
-if("".substr && "0b".substr(-1) !== "b") {
-    var string_substr = String.prototype.substr;
-    /**
-     *  Get the substring of a string
-     *  @param  {integer}  start   where to start the substring
-     *  @param  {integer}  length  how many characters to return
-     *  @return {string}
-     */
-    String.prototype.substr = function(start, length) {
-        return string_substr.call(
-            this,
-            start < 0 ? (start = this.length + start) < 0 ? 0 : start : start,
-            length
-        );
-    }
-}
-
 // ES5 15.5.4.20
 // http://es5.github.com/#x15.5.4.20
 var ws = "\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003" +
@@ -1033,12 +994,7 @@ if (!String.prototype.trim || ws.trim()) {
     var trimBeginRegexp = new RegExp("^" + ws + ws + "*"),
         trimEndRegexp = new RegExp(ws + ws + "*$");
     String.prototype.trim = function trim() {
-        if (this === undefined || this === null) {
-            throw new TypeError("can't convert "+this+" to object");
-        }
-        return String(this)
-            .replace(trimBeginRegexp, "")
-            .replace(trimEndRegexp, "");
+        return String(this).replace(trimBeginRegexp, "").replace(trimEndRegexp, "");
     };
 }