Convert some Shape code to use references

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.
  * Copyright (C) 2013 Adobe Systems Incorporated. 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
@@ skipping 87 matching lines @@
     setIsBox();
 }
 
 void RenderBox::willBeDestroyed()
 {
     clearOverrideSize();
     clearContainingBlockOverrideSize();
 
     RenderBlock::removePercentHeightDescendantIfNeeded(this);
 
-    ShapeOutsideInfo::removeInfo(this);
+    ShapeOutsideInfo::removeInfo(*this);
 
     RenderBoxModelObject::willBeDestroyed();
 }
 
 void RenderBox::removeFloatingOrPositionedChildFromBlockLists()
 {
     ASSERT(isFloatingOrOutOfFlowPositioned());
 
     if (documentBeingDestroyed())
         return;
@@ skipping 112 matching lines @@
     Length oldShapeMargin = oldStyle ? oldStyle->shapeMargin() : RenderStyle::initialShapeMargin();
 
     float shapeImageThreshold = style.shapeImageThreshold();
     float oldShapeImageThreshold = oldStyle ? oldStyle->shapeImageThreshold() : RenderStyle::initialShapeImageThreshold();
 
     // FIXME: A future optimization would do a deep comparison for equality. (bug 100811)
     if (shapeOutside == oldShapeOutside && shapeMargin == oldShapeMargin && shapeImageThreshold == oldShapeImageThreshold)
         return;
 
     if (!shapeOutside)
-        ShapeOutsideInfo::removeInfo(this);
+        ShapeOutsideInfo::removeInfo(*this);
     else
-        ShapeOutsideInfo::ensureInfo(this)->markShapeAsDirty();
+        ShapeOutsideInfo::ensureInfo(*this).markShapeAsDirty();
 
     if (shapeOutside || shapeOutside != oldShapeOutside)
         markShapeOutsideDependentsForLayout();
 }
 
 void RenderBox::updateGridPositionAfterStyleChange(const RenderStyle* oldStyle)
 {
     if (!oldStyle || !parent() || !parent()->isRenderGrid())
         return;
 
@@ skipping 1311 matching lines @@
         return;
 
     if ((style()->borderImage().image() && style()->borderImage().image()->data() == image) ||
         (style()->maskBoxImage().image() && style()->maskBoxImage().image()->data() == image)) {
         repaint();
         return;
     }
 
     ShapeValue* shapeOutsideValue = style()->shapeOutside();
     if (!frameView()->isInPerformLayout() && isFloating() && shapeOutsideValue && shapeOutsideValue->image() && shapeOutsideValue->image()->data() == image) {
-        ShapeOutsideInfo::ensureInfo(this)->markShapeAsDirty();
+        ShapeOutsideInfo::ensureInfo(*this).markShapeAsDirty();
         markShapeOutsideDependentsForLayout();
     }
 
     bool didFullRepaint = repaintLayerRectsForImage(image, style()->backgroundLayers(), true);
     if (!didFullRepaint)
         repaintLayerRectsForImage(image, style()->maskLayers(), false);
 
     if (hasLayer() && layer()->hasCompositedMask() && layersUseImage(image, style()->maskLayers()))
         layer()->contentChanged(MaskImageChanged);
 }
@@ skipping 3106 matching lines @@
         return 0;
 
     if (!layoutState && !flowThreadContainingBlock())
         return 0;
 
     RenderBlock* containerBlock = containingBlock();
     return containerBlock->offsetFromLogicalTopOfFirstPage() + logicalTop();
 }
 
 } // namespace WebCore