Remove unnecessary includes from KURL.h

Source/core/html/LinkRelAttribute.cpp

 /*
  * 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 14 matching lines @@
  * 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.
  *
  */
 
 #include "config.h"
 #include "core/html/LinkRelAttribute.h"
 
+#include "wtf/text/WTFString.h"
+
 namespace WebCore {
 
 LinkRelAttribute::LinkRelAttribute()
     : m_iconType(InvalidIcon)
     , m_isStyleSheet(false)
     , m_isAlternate(false)
     , m_isDNSPrefetch(false)
     , m_isLinkPrefetch(false)
     , m_isLinkSubresource(false)
     , m_isLinkPrerender(false)
@@ skipping 52 matching lines @@
               m_isLinkPrefetch = true;
             else if (equalIgnoringCase(*it, "subresource"))
               m_isLinkSubresource = true;
             else if (equalIgnoringCase(*it, "prerender"))
               m_isLinkPrerender = true;
         }
     }
 }
 
 }