C++11: Replace 0 with nullptr where applicable in layout code.

Source/core/layout/LayoutInline.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 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.
  *
@@ skipping 26 matching lines @@
 
     static LayoutInline* createAnonymous(Document*);
 
     LayoutObject* firstChild() const { ASSERT(children() == virtualChildren()); return children()->firstChild(); }
     LayoutObject* lastChild() const { ASSERT(children() == virtualChildren()); return children()->lastChild(); }
 
     // If you have a LayoutInline, use firstChild or lastChild instead.
     void slowFirstChild() const = delete;
     void slowLastChild() const = delete;
 
-    virtual void addChild(LayoutObject* newChild, LayoutObject* beforeChild = 0) override;
+    virtual void addChild(LayoutObject* newChild, LayoutObject* beforeChild = nullptr) override;
 
     Element* node() const { return toElement(LayoutBoxModelObject::node()); }
 
     virtual LayoutRectOutsets marginBoxOutsets() const override final;
     virtual LayoutUnit marginLeft() const override final;
     virtual LayoutUnit marginRight() const override final;
     virtual LayoutUnit marginTop() const override final;
     virtual LayoutUnit marginBottom() const override final;
-    virtual LayoutUnit marginBefore(const ComputedStyle* otherStyle = 0) const override final;
-    virtual LayoutUnit marginAfter(const ComputedStyle* otherStyle = 0) const override final;
-    virtual LayoutUnit marginStart(const ComputedStyle* otherStyle = 0) const override final;
-    virtual LayoutUnit marginEnd(const ComputedStyle* otherStyle = 0) const override final;
+    virtual LayoutUnit marginBefore(const ComputedStyle* otherStyle = nullptr) const override final;
+    virtual LayoutUnit marginAfter(const ComputedStyle* otherStyle = nullptr) const override final;
+    virtual LayoutUnit marginStart(const ComputedStyle* otherStyle = nullptr) const override final;
+    virtual LayoutUnit marginEnd(const ComputedStyle* otherStyle = nullptr) const override final;
 
     virtual void absoluteRects(Vector<IntRect>&, const LayoutPoint& accumulatedOffset) const override final;
     virtual void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const override;
 
-    virtual LayoutSize offsetFromContainer(const LayoutObject*, const LayoutPoint&, bool* offsetDependsOnPoint = 0) const override final;
+    virtual LayoutSize offsetFromContainer(const LayoutObject*, const LayoutPoint&, bool* offsetDependsOnPoint = nullptr) const override final;
 
     IntRect linesBoundingBox() const;
     LayoutRect linesVisualOverflowBoundingBox() const;
 
     InlineFlowBox* createAndAppendInlineFlowBox();
 
     void dirtyLineBoxes(bool fullLayout);
 
     LineBoxList* lineBoxes() { return &m_lineBoxes; }
     const LineBoxList* lineBoxes() const { return &m_lineBoxes; }
@@ skipping 45 matching lines @@
     LayoutRect culledInlineVisualOverflowBoundingBox() const;
     InlineBox* culledInlineFirstLineBox() const;
     InlineBox* culledInlineLastLineBox() const;
 
     template<typename GeneratorContext>
     void generateLineBoxRects(GeneratorContext& yield) const;
     template<typename GeneratorContext>
     void generateCulledLineBoxRects(GeneratorContext& yield, const LayoutInline* container) const;
 
     void addChildToContinuation(LayoutObject* newChild, LayoutObject* beforeChild);
-    virtual void addChildIgnoringContinuation(LayoutObject* newChild, LayoutObject* beforeChild = 0) override final;
+    virtual void addChildIgnoringContinuation(LayoutObject* newChild, LayoutObject* beforeChild = nullptr) override final;
 
     void moveChildrenToIgnoringContinuation(LayoutInline* to, LayoutObject* startChild);
 
     void splitInlines(LayoutBlock* fromBlock, LayoutBlock* toBlock, LayoutBlock* middleBlock,
         LayoutObject* beforeChild, LayoutBoxModelObject* oldCont);
     void splitFlow(LayoutObject* beforeChild, LayoutBlock* newBlockBox,
         LayoutObject* newChild, LayoutBoxModelObject* oldCont);
 
     virtual void layout() override final { ASSERT_NOT_REACHED(); } // Do nothing for layout()
 
     virtual void paint(const PaintInfo&, const LayoutPoint&) override final;
 
     virtual bool nodeAtPoint(HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override final;
 
     virtual DeprecatedPaintLayerType layerTypeRequired() const override { return isRelPositioned() || createsGroup() || hasClipPath() || style()->shouldCompositeForCurrentAnimations() || style()->hasCompositorProxy() ? NormalDeprecatedPaintLayer : NoDeprecatedPaintLayer; }
 
     virtual LayoutUnit offsetLeft() const override final;
     virtual LayoutUnit offsetTop() const override final;
     virtual LayoutUnit offsetWidth() const override final { return linesBoundingBox().width(); }
     virtual LayoutUnit offsetHeight() const override final { return linesBoundingBox().height(); }
 
     virtual LayoutRect absoluteClippedOverflowRect() const override;
-    virtual LayoutRect clippedOverflowRectForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer, const PaintInvalidationState* = 0) const override;
-    virtual LayoutRect rectWithOutlineForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer, LayoutUnit outlineWidth, const PaintInvalidationState* = 0) const override final;
+    virtual LayoutRect clippedOverflowRectForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer, const PaintInvalidationState* = nullptr) const override;
+    virtual LayoutRect rectWithOutlineForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer, LayoutUnit outlineWidth, const PaintInvalidationState* = nullptr) const override final;
     virtual void mapRectToPaintInvalidationBacking(const LayoutBoxModelObject* paintInvalidationContainer, LayoutRect&, const PaintInvalidationState*) const override final;
 
     // This method differs from clippedOverflowRectForPaintInvalidation in that it includes
     // the rects for culled inline boxes, which aren't necessary for paint invalidation.
-    LayoutRect clippedOverflowRect(const LayoutBoxModelObject*, const PaintInvalidationState* = 0) const;
+    LayoutRect clippedOverflowRect(const LayoutBoxModelObject*, const PaintInvalidationState* = nullptr) const;
 
-    virtual void mapLocalToContainer(const LayoutBoxModelObject* paintInvalidationContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, bool* wasFixed = 0, const PaintInvalidationState* = 0) const override;
+    virtual void mapLocalToContainer(const LayoutBoxModelObject* paintInvalidationContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, bool* wasFixed = 0, const PaintInvalidationState* = nullptr) const override;
 
     virtual PositionWithAffinity positionForPoint(const LayoutPoint&) override final;
 
     virtual IntRect borderBoundingBox() const override final
     {
         IntRect boundingBox = linesBoundingBox();
         return IntRect(0, 0, boundingBox.width(), boundingBox.height());
     }
 
     virtual InlineFlowBox* createInlineFlowBox(); // Subclassed by SVG and Ruby
 
     virtual void dirtyLinesFromChangedChild(LayoutObject* child) override final { m_lineBoxes.dirtyLinesFromChangedChild(this, child); }
 
     virtual LayoutUnit lineHeight(bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const override final;
     virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const override final;
 
     virtual void childBecameNonInline(LayoutObject* child) override final;
 
     virtual void updateHitTestResult(HitTestResult&, const LayoutPoint&) override final;
 
-    virtual void imageChanged(WrappedImagePtr, const IntRect* = 0) override final;
+    virtual void imageChanged(WrappedImagePtr, const IntRect* = nullptr) override final;
 
     virtual void addAnnotatedRegions(Vector<AnnotatedRegionValue>&) override final;
 
     virtual void updateFromStyle() override final;
 
     LayoutInline* clone() const;
 
     LayoutBoxModelObject* continuationBefore(LayoutObject* beforeChild);
 
     LayoutObjectChildList m_children;
     LineBoxList m_lineBoxes; // All of the line boxes created for this inline flow.  For example, <i>Hello<br>world.</i> will have two <i> line boxes.
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutInline, isLayoutInline());
 
 } // namespace blink
 
 #endif // LayoutInline_h