Build WTF as dll in component build

Source/wtf/AutodrainedPool.h

 /*
  * Copyright (C) 2007, 2013 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 11 matching lines @@
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY 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 AutodrainedPool_h
 #define AutodrainedPool_h
 
-#include <wtf/Noncopyable.h>
+#include "wtf/Noncopyable.h"
+#include "wtf/WTFExport.h"
 
 OBJC_CLASS NSAutoreleasePool;
 
 namespace WTF {
 
-class AutodrainedPool {
+class WTF_EXPORT AutodrainedPool {
     WTF_MAKE_NONCOPYABLE(AutodrainedPool);
 public:
     explicit AutodrainedPool(int iterationLimit = 1);
     ~AutodrainedPool();
     
     void cycle();
     
 private:
 #if OS(DARWIN)
     int m_iterationLimit;
     int m_iterationCount;
     NSAutoreleasePool* m_pool;
 #endif
 };
 
 #if !OS(DARWIN)
 inline AutodrainedPool::AutodrainedPool(int) { }
 inline AutodrainedPool::~AutodrainedPool() { }
 inline void AutodrainedPool::cycle() { }
 #endif
 
 } // namespace WTF
 
 using WTF::AutodrainedPool;
 
 #endif