Build WTF as dll in component build

Source/wtf/ParallelJobsGeneric.h

 /*
  * Copyright (C) 2011 University of Szeged
  * Copyright (C) 2011 Gabor Loki <loki@webkit.org>
  * 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.
@@ skipping 12 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef ParallelJobsGeneric_h
 #define ParallelJobsGeneric_h
 
 #if ENABLE(THREADING_GENERIC)
 
-#include <wtf/RefCounted.h>
-#include <wtf/Threading.h>
+#include "wtf/RefCounted.h"
+#include "wtf/Threading.h"
+#include "wtf/WTFExport.h"
 
 namespace WTF {
 
-class ParallelEnvironment {
+class WTF_EXPORT ParallelEnvironment {
     WTF_MAKE_FAST_ALLOCATED;
 public:
     typedef void (*ThreadFunction)(void*);
 
     ParallelEnvironment(ThreadFunction, size_t sizeOfParameter, int requestedJobNumber);
 
     int numberOfJobs()
     {
         return m_numberOfJobs;
     }
@@ skipping 42 matching lines @@
     Vector< RefPtr<ThreadPrivate> > m_threads;
     static Vector< RefPtr<ThreadPrivate> >* s_threadPool;
 };
 
 } // namespace WTF
 
 #endif // ENABLE(THREADING_GENERIC)
 
 
 #endif // ParallelJobsGeneric_h