Remove ~1750 superfluous includes from core

Source/core/html/BaseDateAndTimeInputType.cpp

 /*
  * Copyright (C) 2010 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/BaseDateAndTimeInputType.h"
 
 #include <limits>
-#include "HTMLNames.h"
-#include "core/dom/KeyboardEvent.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/platform/text/PlatformLocale.h"
 #include <wtf/CurrentTime.h>
 #include <wtf/DateMath.h>
 #include <wtf/MathExtras.h>
 #include <wtf/PassOwnPtr.h>
 #include <wtf/text/WTFString.h>
 
 namespace WebCore {
 
@@ skipping 124 matching lines @@
 {
     return InputType::themeSupportsDataListUI(this);
 }
 
 bool BaseDateAndTimeInputType::valueMissing(const String& value) const
 {
     return element()->isRequired() && value.isEmpty();
 }
 
 } // namespace WebCore