Remove ~1750 superfluous includes from core

Source/core/rendering/RenderBox.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 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
@@ skipping 15 matching lines @@
 #include "core/rendering/RenderBox.h"
 
 #include <math.h>
 #include <algorithm>
 #include "HTMLNames.h"
 #include "core/dom/Document.h"
 #include "core/dom/WebCoreMemoryInstrumentation.h"
 #include "core/editing/htmlediting.h"
 #include "core/html/HTMLElement.h"
 #include "core/html/HTMLFrameOwnerElement.h"
-#include "core/loader/cache/CachedImage.h"
-#include "core/page/Chrome.h"
-#include "core/page/ChromeClient.h"
 #include "core/page/Frame.h"
 #include "core/page/FrameView.h"
 #include "core/page/Page.h"
-#include "core/platform/ScrollbarTheme.h"
 #include "core/platform/graphics/FloatQuad.h"
 #include "core/platform/graphics/GraphicsContextStateSaver.h"
-#include "core/platform/graphics/ImageBuffer.h"
 #include "core/platform/graphics/transforms/TransformState.h"
 #include "core/rendering/HitTestResult.h"
 #include "core/rendering/PaintInfo.h"
-#include "core/rendering/RenderArena.h"
 #include "core/rendering/RenderBoxRegionInfo.h"
 #include "core/rendering/RenderFlexibleBox.h"
 #include "core/rendering/RenderFlowThread.h"
 #include "core/rendering/RenderGeometryMap.h"
 #include "core/rendering/RenderInline.h"
 #include "core/rendering/RenderLayer.h"
 #include "core/rendering/RenderLayerCompositor.h"
-#include "core/rendering/RenderPart.h"
 #include "core/rendering/RenderRegion.h"
 #include "core/rendering/RenderTableCell.h"
 #include "core/rendering/RenderTheme.h"
 #include "core/rendering/RenderView.h"
 #include <wtf/MemoryInstrumentationHashMap.h>
 
 using namespace std;
 
 namespace WTF {
 template<> struct SequenceMemoryInstrumentationTraits<WebCore::LayoutUnit> {
@@ skipping 4513 matching lines @@
 
 void RenderBox::reportStaticMembersMemoryUsage(MemoryInstrumentation* memoryInstrumentation)
 {
     memoryInstrumentation->addRootObject(gOverrideHeightMap, WebCoreMemoryTypes::RenderingStructures);
     memoryInstrumentation->addRootObject(gOverrideWidthMap, WebCoreMemoryTypes::RenderingStructures);
     memoryInstrumentation->addRootObject(gOverrideContainingBlockLogicalHeightMap, WebCoreMemoryTypes::RenderingStructures);
     memoryInstrumentation->addRootObject(gOverrideContainingBlockLogicalWidthMap, WebCoreMemoryTypes::RenderingStructures);
 }
 
 } // namespace WebCore