Remove DEFINE_STATIC_LOCAL in isDefaultPortForProtocol

Source/platform/weborigin/KnownPorts.cpp

 /*
  * Copyright (C) 2004, 2007, 2008, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Research In Motion Limited. 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 12 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "platform/weborigin/KnownPorts.h"
 
 #include "platform/weborigin/KURL.h"
 #include "wtf/HashMap.h"
 #include "wtf/StdLibExtras.h"
+#include "wtf/Threading.h"
 #include "wtf/text/StringHash.h"
 
 namespace blink {
 
 bool isDefaultPortForProtocol(unsigned short port, const String& protocol)
 {
     if (protocol.isEmpty())
         return false;
 
     typedef HashMap<String, unsigned, CaseFoldingHash> DefaultPortsMap;
-    DEFINE_STATIC_LOCAL(DefaultPortsMap, defaultPorts, ());
+    AtomicallyInitializedStaticReference(DefaultPortsMap, defaultPorts, new DefaultPortsMap());
     if (defaultPorts.isEmpty()) {
         defaultPorts.set("http", 80);
         defaultPorts.set("https", 443);
         defaultPorts.set("ftp", 21);
         defaultPorts.set("ftps", 990);
     }
     return defaultPorts.get(protocol) == port;
 }
 
 bool portAllowed(const KURL& url)
@@ skipping 94 matching lines @@
         return true;
 
     // Allow any port number in a file URL, since the port number is ignored.
     if (url.protocolIs("file"))
         return true;
 
     return false;
 }
 
 }