Remove ~1750 superfluous includes from core

Source/core/html/BaseMultipleFieldsDateAndTimeInputType.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 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"
 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
 #include "core/html/BaseMultipleFieldsDateAndTimeInputType.h"
 
 #include "CSSValueKeywords.h"
 #include "core/dom/KeyboardEvent.h"
-#include "core/dom/NodeTraversal.h"
-#include "core/dom/shadow/ElementShadow.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/html/DateTimeFieldsState.h"
 #include "core/html/FormController.h"
 #include "core/html/HTMLDataListElement.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLOptionElement.h"
 #include "core/html/shadow/PickerIndicatorElement.h"
 #include "core/page/FocusController.h"
 #include "core/page/Page.h"
 #include "core/platform/DateComponents.h"
@@ skipping 530 matching lines @@
 
     if (element()->isRequired() || !m_dateTimeEditElement->anyEditableFieldsHaveValues())
         m_clearButton->setInlineStyleProperty(CSSPropertyVisibility, CSSValueHidden);
     else
         m_clearButton->removeInlineStyleProperty(CSSPropertyVisibility);
 }
 
 } // namespace WebCore
 
 #endif