Remove unused includes from core/html .cpp files

Source/core/html/HTMLFrameSetElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Simon Hausmann (hausmann@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2006, 2009, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
 #include "core/html/HTMLFrameSetElement.h"
 
 #include "CSSPropertyNames.h"
 #include "HTMLNames.h"
 #include "bindings/v8/ScriptEventListener.h"
-#include "core/dom/Attribute.h"
 #include "core/dom/Document.h"
 #include "core/dom/Event.h"
 #include "core/dom/EventNames.h"
 #include "core/dom/MouseEvent.h"
 #include "core/dom/NodeRenderingContext.h"
-#include "core/dom/Text.h"
 #include "core/html/HTMLCollection.h"
 #include "core/html/HTMLFrameElement.h"
-#include "core/loader/FrameLoader.h"
-#include "core/loader/FrameLoaderClient.h"
-#include "core/page/Frame.h"
 #include "core/platform/Length.h"
 #include "core/rendering/RenderFrameSet.h"
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 HTMLFrameSetElement::HTMLFrameSetElement(const QualifiedName& tagName, Document* document)
     : HTMLElement(tagName, document)
     , m_totalRows(1)
@@ skipping 163 matching lines @@
     Node* frameNode = children()->namedItem(name);
     if (!frameNode || !frameNode->hasTagName(HTMLNames::frameTag))
         return 0;
     Document* document = static_cast<HTMLFrameElement*>(frameNode)->contentDocument();
     if (!document || !document->frame())
         return 0;
     return document->domWindow();
 }
 
 } // namespace WebCore