Move CrossThreadCopier from platform/ to wtf/

third_party/WebKit/Source/platform/weborigin/KURL.h

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2011, 2012 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 12 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef KURL_h
 #define KURL_h
 
 #include "platform/PlatformExport.h"
 #include "url/third_party/mozilla/url_parse.h"
 #include "url/url_canon.h"
 #include "wtf/Allocator.h"
+#include "wtf/CrossThreadCopier.h"
 #include "wtf/Forward.h"
 #include "wtf/HashTableDeletedValueType.h"
 #include "wtf/text/WTFString.h"
 #include <memory>
 
 namespace WTF {
 class TextEncoding;
 }
 
 namespace blink {
@@ skipping 226 matching lines @@
 
 } // namespace blink
 
 namespace WTF {
 
 // KURLHash is the default hash for String
 template<> struct DefaultHash<blink::KURL> {
     typedef blink::KURLHash Hash;
 };
 
+template <>
+struct CrossThreadCopier<blink::KURL> {
+    STATIC_ONLY(CrossThreadCopier);
+    typedef blink::KURL Type;
+    PLATFORM_EXPORT static Type copy(const blink::KURL& url)
+    {
+        return url.copy();
+    }
+};
+
 } // namespace WTF
 
 #endif // KURL_h