Remove duplicated headers from platform/

Source/platform/network/HTTPHeaderMap.cpp

 /*
  * Copyright (C) 2009 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.
  */
 
 #include "config.h"
 #include "platform/network/HTTPHeaderMap.h"
 
-#include <utility>
 
 using namespace std;
 
 namespace WebCore {
 
 HTTPHeaderMap::HTTPHeaderMap()
 {
 }
 
 HTTPHeaderMap::~HTTPHeaderMap()
@@ skipping 62 matching lines @@
 {
     return find<CaseFoldingCStringTranslator>(name) != end();
 }
 
 HTTPHeaderMap::AddResult HTTPHeaderMap::add(const char* name, const AtomicString& value)
 {
     return HashMap<AtomicString, AtomicString, CaseFoldingHash>::add<CaseFoldingCStringTranslator>(name, value);
 }
 
 } // namespace WebCore