Remove duplicated headers from core/

Source/core/html/forms/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 23 matching lines @@
 
 #include "CSSValueKeywords.h"
 #include "RuntimeEnabledFeatures.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/events/KeyboardEvent.h"
 #include "core/html/HTMLDataListElement.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLOptionElement.h"
 #include "core/html/forms/DateTimeFieldsState.h"
 #include "core/html/forms/FormController.h"
-#include "core/html/shadow/PickerIndicatorElement.h"
 #include "core/html/shadow/ShadowElementNames.h"
 #include "core/page/FocusController.h"
 #include "core/page/Page.h"
 #include "core/rendering/RenderTheme.h"
 #include "platform/DateComponents.h"
 #include "platform/text/DateTimeFormat.h"
 #include "platform/text/PlatformLocale.h"
 #include "wtf/DateMath.h"
 
 namespace WebCore {
@@ skipping 551 matching lines @@
 
     if (element().isRequired() || !dateTimeEditElement()->anyEditableFieldsHaveValues())
         clearButton->setInlineStyleProperty(CSSPropertyVisibility, CSSValueHidden);
     else
         clearButton->removeInlineStyleProperty(CSSPropertyVisibility);
 }
 
 } // namespace WebCore
 
 #endif