Eliminate unnecessary includes of LayoutBlockFlow-derived headers.

third_party/WebKit/Source/core/html/forms/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 22 matching lines @@
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/HTMLNames.h"
 #include "core/InputTypeNames.h"
 #include "core/events/BeforeTextInsertedEvent.h"
 #include "core/events/KeyboardEvent.h"
 #include "core/events/ScopedEventQueue.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/inspector/ConsoleMessage.h"
-#include "core/layout/LayoutTextControl.h"
+#include "core/layout/LayoutObject.h"
 #include "platform/text/PlatformLocale.h"
 #include "wtf/MathExtras.h"
 #include "wtf/PassOwnPtr.h"
 #include <limits>
 
 namespace blink {
 
 using blink::WebLocalizedString;
 using namespace HTMLNames;
 
@@ skipping 236 matching lines @@
     if (element().layoutObject())
         element().layoutObject()->setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvalidation(LayoutInvalidationReason::AttributeChanged);
 }
 
 bool NumberInputType::supportsSelectionAPI() const
 {
     return false;
 }
 
 } // namespace blink