Remove unnecessary includes from collection / nodelist classes

Source/core/dom/ChildNodeList.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2014 Samsung Electronics. 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.
  *
  */
 
 #ifndef ChildNodeList_h
 #define ChildNodeList_h
 
+#include "core/dom/ContainerNode.h"

[Inactive, 2014/07/22 16:44:42]

Now needed because I dropped the Element.h include from CollectionIndexCache.h.
We have some inlined functions in this header using ContainerNode so we cannot
forward declare.

 #include "core/dom/NodeList.h"
 #include "core/html/CollectionIndexCache.h"
 #include "wtf/PassRefPtr.h"
 
 namespace blink {
 
 class ChildNodeList FINAL : public NodeList {
 public:
     static PassRefPtrWillBeRawPtr<ChildNodeList> create(ContainerNode& rootNode)
     {
@@ skipping 29 matching lines @@
 
     RefPtrWillBeMember<ContainerNode> m_parent;
     mutable CollectionIndexCache<ChildNodeList, Node> m_collectionIndexCache;
 };
 
 DEFINE_TYPE_CASTS(ChildNodeList, NodeList, nodeList, nodeList->isChildNodeList(), nodeList.isChildNodeList());
 
 } // namespace blink
 
 #endif // ChildNodeList_h