Have Locale::create() take a String in argument

Source/platform/text/LocaleMac.mm

 /*
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 46 matching lines @@
 {
     RetainPtr<NSLocale> currentLocale = [NSLocale currentLocale];
     String currentLocaleLanguage = languageFromLocale(String([currentLocale.get() localeIdentifier]));
     String localeLanguage = languageFromLocale(locale);
     if (equalIgnoringCase(currentLocaleLanguage, localeLanguage))
         return currentLocale;
     // It seems initWithLocaleIdentifier accepts dash-separated locale identifier.
      return RetainPtr<NSLocale>(AdoptNS, [[NSLocale alloc] initWithLocaleIdentifier:locale]);
 }
 
-PassOwnPtr<Locale> Locale::create(const AtomicString& locale)
+PassOwnPtr<Locale> Locale::create(const String& locale)
 {
-    return LocaleMac::create(determineLocale(locale.string()).get());
+    return LocaleMac::create(determineLocale(locale).get());
 }
 
 static RetainPtr<NSDateFormatter> createDateTimeFormatter(NSLocale* locale, NSCalendar* calendar, NSDateFormatterStyle dateStyle, NSDateFormatterStyle timeStyle)
 {
     NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
     [formatter setLocale:locale];
     [formatter setDateStyle:dateStyle];
     [formatter setTimeStyle:timeStyle];
     [formatter setTimeZone:[NSTimeZone timeZoneWithAbbreviation:@"UTC"]];
     [formatter setCalendar:calendar];
@@ skipping 240 matching lines @@
     ASSERT(symbols.size() == DecimalSymbolsSize);
 
     String positivePrefix([formatter.get() positivePrefix]);
     String positiveSuffix([formatter.get() positiveSuffix]);
     String negativePrefix([formatter.get() negativePrefix]);
     String negativeSuffix([formatter.get() negativeSuffix]);
     setLocaleData(symbols, positivePrefix, positiveSuffix, negativePrefix, negativeSuffix);
 }
 
 }