Remove ~1750 superfluous includes from core

Source/core/platform/chromium/PrerenderHandle.cpp

 /*
  * Copyright (C) 2012 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 16 matching lines @@
  * (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/platform/PrerenderHandle.h"
 
 #include <wtf/PassRefPtr.h>
 #include <wtf/text/WTFString.h>
-#include "core/platform/KURL.h"
 #include "core/platform/chromium/Prerender.h"
 #include "weborigin/ReferrerPolicy.h"
 
 namespace WebCore {
 
 PassRefPtr<PrerenderHandle> PrerenderHandle::create(PrerenderClient* client, const KURL& url, const String& referrer, ReferrerPolicy policy)
 {
     return adoptRef(new PrerenderHandle(client, url, referrer, policy));
 }
 
@@ skipping 51 matching lines @@
 {
     return m_prerender->url();
 }
 
 ReferrerPolicy PrerenderHandle::referrerPolicy() const
 {
     return m_prerender->referrerPolicy();
 }
 
 }