Build WTF as dll in component build

Source/wtf/SHA1.h

 /*
  * Copyright (C) 2011 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * 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 WTF_SHA1_h
 #define WTF_SHA1_h
 
-#include <wtf/Vector.h>
-#include <wtf/text/CString.h>
+#include "wtf/Vector.h"
+#include "wtf/WTFExport.h"
+#include "wtf/text/CString.h"
 
 namespace WTF {
 
-class SHA1 {
+class WTF_EXPORT SHA1 {
 public:
     SHA1();
 
     void addBytes(const Vector<uint8_t>& input)
     {
         addBytes(input.data(), input.size());
     }
     void addBytes(const CString& input)
     {
         const char* string = input.data();
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     size_t m_cursor; // Number of bytes filled in m_buffer (0-64).
     uint64_t m_totalBytes; // Number of bytes added so far.
     uint32_t m_hash[5];
 };
 
 } // namespace WTF
 
 using WTF::SHA1;
 
 #endif // WTF_SHA1_h