Rename OS(DARWIN) to OS(MACOSX).

Source/wtf/unicode/icu/CollatorICU.cpp

 /*
  * Copyright (C) 2008 Apple 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.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 19 matching lines @@
 #include "wtf/unicode/Collator.h"
 
 #include "wtf/Assertions.h"
 #include "wtf/StringExtras.h"
 #include "wtf/Threading.h"
 #include "wtf/ThreadingPrimitives.h"
 #include <stdlib.h>
 #include <string.h>
 #include <unicode/ucol.h>
 
-#if OS(DARWIN)
+#if OS(MACOSX)
 #include "wtf/RetainPtr.h"
 #include <CoreFoundation/CoreFoundation.h>
 #endif
 
 namespace WTF {
 
 static UCollator* cachedCollator;
 static Mutex& cachedCollatorMutex()
 {
     AtomicallyInitializedStatic(Mutex&, mutex = *new Mutex);
     return mutex;
 }
 
 Collator::Collator(const char* locale)
     : m_collator(0)
     , m_locale(locale ? strdup(locale) : 0)
     , m_lowerFirst(false)
 {
 }
 
 PassOwnPtr<Collator> Collator::userDefault()
 {
-#if OS(DARWIN) && USE(CF)
+#if OS(MACOSX) && USE(CF)
     // Mac OS X doesn't set UNIX locale to match user-selected one, so ICU default doesn't work.
     RetainPtr<CFLocaleRef> currentLocale(AdoptCF, CFLocaleCopyCurrent());
     CFStringRef collationOrder = (CFStringRef)CFLocaleGetValue(currentLocale.get(), kCFLocaleCollatorIdentifier);
     char buf[256];
     if (!collationOrder)
         return adoptPtr(new Collator(""));
     CFStringGetCString(collationOrder, buf, sizeof(buf), kCFStringEncodingASCII);
     return adoptPtr(new Collator(buf));
 #else
     return adoptPtr(new Collator(0));
@@ skipping 63 matching lines @@
     {
         Locker<Mutex> lock(cachedCollatorMutex());
         if (cachedCollator)
             ucol_close(cachedCollator);
         cachedCollator = m_collator;
         m_collator  = 0;
     }
 }
 
 } // namespace WTF