Remove unused includes from core/{editing,fileapi,history,html}

Source/core/html/DateTimeLocalInputType.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 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/html/DateTimeLocalInputType.h"
 
 #include "HTMLNames.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/InputTypeNames.h"
 #include "core/platform/DateComponents.h"
-#include <wtf/PassOwnPtr.h>
+#include "wtf/PassOwnPtr.h"
 
 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
 #include "core/html/DateTimeFieldsState.h"
 #include "core/platform/LocalizedStrings.h"
 #include "core/platform/text/PlatformLocale.h"
-#include <wtf/text/StringBuilder.h>
-#include <wtf/text/WTFString.h>
+#include "wtf/text/WTFString.h"
 #endif
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 static const int dateTimeLocalDefaultStep = 60;
 static const int dateTimeLocalDefaultStepBase = 0;
 static const int dateTimeLocalStepScaleFactor = 1000;
 
@@ skipping 114 matching lines @@
     layoutParameters.placeholderForYear = placeholderForYearField();
 }
 
 bool DateTimeLocalInputType::isValidFormat(bool hasYear, bool hasMonth, bool hasWeek, bool hasDay, bool hasAMPM, bool hasHour, bool hasMinute, bool hasSecond) const
 {
     return hasYear && hasMonth && hasDay && hasAMPM && hasHour && hasMinute;
 }
 #endif
 
 } // namespace WebCore