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

Source/core/html/NumberInputType.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple 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.
@@ skipping 16 matching lines @@
  * 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/NumberInputType.h"
 
 #include <limits>
 #include "HTMLNames.h"
-#include "core/dom/BeforeTextInsertedEvent.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/KeyboardEvent.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/InputTypeNames.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/platform/LocalizedStrings.h"
 #include "core/platform/text/PlatformLocale.h"
 #include "core/rendering/RenderTextControl.h"
-#include <wtf/ASCIICType.h>
-#include <wtf/MathExtras.h>
-#include <wtf/PassOwnPtr.h>
+#include "wtf/MathExtras.h"
+#include "wtf/PassOwnPtr.h"
 
 namespace WebCore {
 
 using namespace HTMLNames;
 using namespace std;
 
 static const int numberDefaultStep = 1;
 static const int numberDefaultStepBase = 0;
 static const int numberStepScaleFactor = 1;
 
@@ skipping 241 matching lines @@
 
 void NumberInputType::stepAttributeChanged()
 {
     InputType::stepAttributeChanged();
 
     if (element()->renderer())
         element()->renderer()->setNeedsLayoutAndPrefWidthsRecalc();
 }
 
 } // namespace WebCore