Remove assorted unnecessary includes in core/layout/

third_party/WebKit/Source/core/layout/FloatingObjects.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. 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 FloatingObjects_h
 #define FloatingObjects_h
 
-#include "core/layout/line/RootInlineBox.h"
 #include "platform/PODFreeListArena.h"
 #include "platform/PODIntervalTree.h"
+#include "platform/geometry/LayoutRect.h"
 #include "wtf/ListHashSet.h"
 #include "wtf/OwnPtr.h"
 
 namespace blink {
 
 class LayoutBlockFlow;
 class LayoutBox;
+class RootInlineBox;
 
 class FloatingObject {
     WTF_MAKE_NONCOPYABLE(FloatingObject); USING_FAST_MALLOC(FloatingObject);
 public:
 #ifndef NDEBUG
     // Used by the PODIntervalTree for debugging the FloatingObject.
     template <class> friend struct ValueToString;
 #endif
 
     // Note that Type uses bits so you can use FloatLeftRight as a mask to query for both left and right.
@@ skipping 151 matching lines @@
     static String toString(const LayoutUnit value);
 };
 template<> struct ValueToString<FloatingObject*> {
     static String toString(const FloatingObject*);
 };
 #endif
 
 } // namespace blink
 
 #endif // FloatingObjects_h