Remove BLACKLIST from check-name-clashes.py, it's wrong nowadays.

src/string.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var $stringCharAt;
 var $stringIndexOf;
 var $stringSubstring;
 
 (function() {
 
@@ skipping 28 matching lines @@
 // ECMA-262 section 15.5.4.3
 function StringValueOf() {
   if (!IS_STRING(this) && !IS_STRING_WRAPPER(this)) {
     throw new $TypeError('String.prototype.valueOf is not generic');
   }
   return %_ValueOf(this);
 }
 
 
 // ECMA-262, section 15.5.4.4
-function StringCharAt(pos) {
+function StringCharAtJS(pos) {
   CHECK_OBJECT_COERCIBLE(this, "String.prototype.charAt");
 
   var result = %_StringCharAt(this, pos);
   if (%_IsSmi(result)) {
     result = %_StringCharAt(TO_STRING_INLINE(this), TO_INTEGER(pos));
   }
   return result;
 }
 
 
 // ECMA-262 section 15.5.4.5
-function StringCharCodeAt(pos) {
+function StringCharCodeAtJS(pos) {
   CHECK_OBJECT_COERCIBLE(this, "String.prototype.charCodeAt");
 
   var result = %_StringCharCodeAt(this, pos);
   if (!%_IsSmi(result)) {
     result = %_StringCharCodeAt(TO_STRING_INLINE(this), TO_INTEGER(pos));
   }
   return result;
 }
 
 
@@ skipping 871 matching lines @@
 
 // Set up the non-enumerable functions on the String object.
 InstallFunctions(GlobalString, DONT_ENUM, GlobalArray(
   "fromCharCode", StringFromCharCode
 ));
 
 // Set up the non-enumerable functions on the String prototype object.
 InstallFunctions(GlobalString.prototype, DONT_ENUM, GlobalArray(
   "valueOf", StringValueOf,
   "toString", StringToString,
-  "charAt", StringCharAt,
-  "charCodeAt", StringCharCodeAt,
+  "charAt", StringCharAtJS,
+  "charCodeAt", StringCharCodeAtJS,
   "concat", StringConcat,
   "indexOf", StringIndexOfJS,
   "lastIndexOf", StringLastIndexOfJS,
   "localeCompare", StringLocaleCompareJS,
   "match", StringMatchJS,
   "normalize", StringNormalizeJS,
   "replace", StringReplace,
   "search", StringSearch,
   "slice", StringSlice,
   "split", StringSplitJS,
@@ skipping 14 matching lines @@
   "blink", StringBlink,
   "bold", StringBold,
   "fixed", StringFixed,
   "italics", StringItalics,
   "small", StringSmall,
   "strike", StringStrike,
   "sub", StringSub,
   "sup", StringSup
 ));
 
-$stringCharAt = StringCharAt;
+$stringCharAt = StringCharAtJS;
 $stringIndexOf = StringIndexOfJS;
 $stringSubstring = StringSubstring;
 
 })();