Add ascii() / latin1() / utf8() methods to AtomicString to avoid having to call string()

Source/platform/text/TextBreakIteratorInternalICU.cpp

 /*
  * Copyright (C) 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Google Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 15 matching lines @@
 #include "wtf/StdLibExtras.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 static const char* UILanguage()
 {
     // Chrome's UI language can be different from the OS UI language on Windows.
     // We want to return Chrome's UI language here.
-    DEFINE_STATIC_LOCAL(CString, locale, (defaultLanguage().string().latin1()));
+    DEFINE_STATIC_LOCAL(const CString, locale, (defaultLanguage().latin1()));
     return locale.data();
 }
 
 const char* currentSearchLocaleID()
 {
     return UILanguage();
 }
 
 const char* currentTextBreakLocaleID()
 {
     return UILanguage();
 }
 
 } // namespace WebCore