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

Source/core/layout/LayoutBlockFlow.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) 2003-2013 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ skipping 87 matching lines @@
     using LayoutBlock::firstLineBox;
     using LayoutBlock::lastLineBox;
     using LayoutBlock::firstRootBox;
     using LayoutBlock::lastRootBox;
 
     virtual LayoutUnit logicalLeftSelectionOffset(const LayoutBlock* rootBlock, LayoutUnit position) const override;
     virtual LayoutUnit logicalRightSelectionOffset(const LayoutBlock* rootBlock, LayoutUnit position) const override;
 
     RootInlineBox* createAndAppendRootInlineBox();
 
-    void markAllDescendantsWithFloatsForLayout(LayoutBox* floatToRemove = 0, bool inLayout = true);
-    void markSiblingsWithFloatsForLayout(LayoutBox* floatToRemove = 0);
+    void markAllDescendantsWithFloatsForLayout(LayoutBox* floatToRemove = nullptr, bool inLayout = true);
+    void markSiblingsWithFloatsForLayout(LayoutBox* floatToRemove = nullptr);
 
     bool containsFloats() const { return m_floatingObjects && !m_floatingObjects->set().isEmpty(); }
     bool containsFloat(LayoutBox*) const;
 
     void removeFloatingObjects();
 
-    virtual void addChild(LayoutObject* newChild, LayoutObject* beforeChild = 0) override;
+    virtual void addChild(LayoutObject* newChild, LayoutObject* beforeChild = nullptr) override;
 
     void moveAllChildrenIncludingFloatsTo(LayoutBlock* toBlock, bool fullRemoveInsert);
 
     bool generatesLineBoxesForInlineChild(LayoutObject*);
 
     LayoutUnit logicalTopForFloat(const FloatingObject* floatingObject) const { return isHorizontalWritingMode() ? floatingObject->y() : floatingObject->x(); }
     LayoutUnit logicalBottomForFloat(const FloatingObject* floatingObject) const { return isHorizontalWritingMode() ? floatingObject->maxY() : floatingObject->maxX(); }
     LayoutUnit logicalLeftForFloat(const FloatingObject* floatingObject) const { return isHorizontalWritingMode() ? floatingObject->x() : floatingObject->y(); }
     LayoutUnit logicalRightForFloat(const FloatingObject* floatingObject) const { return isHorizontalWritingMode() ? floatingObject->maxX() : floatingObject->maxY(); }
     LayoutUnit logicalWidthForFloat(const FloatingObject* floatingObject) const { return isHorizontalWritingMode() ? floatingObject->width() : floatingObject->height(); }
@@ skipping 56 matching lines @@
     LayoutRect logicalLeftSelectionGap(const LayoutBlock* rootBlock, const LayoutPoint& rootBlockPhysicalPosition, const LayoutSize& offsetFromRootBlock,
         const LayoutObject* selObj, LayoutUnit logicalLeft, LayoutUnit logicalTop, LayoutUnit logicalHeight, const PaintInfo*) const;
     LayoutRect logicalRightSelectionGap(const LayoutBlock* rootBlock, const LayoutPoint& rootBlockPhysicalPosition, const LayoutSize& offsetFromRootBlock,
         const LayoutObject* selObj, LayoutUnit logicalRight, LayoutUnit logicalTop, LayoutUnit logicalHeight, const PaintInfo*) const;
     void getSelectionGapInfo(SelectionState, bool& leftGap, bool& rightGap) const;
 
     virtual LayoutRect selectionRectForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer) const override final;
     GapRects selectionGapRectsForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer) const;
     GapRects selectionGaps(const LayoutBlock* rootBlock, const LayoutPoint& rootBlockPhysicalPosition, const LayoutSize& offsetFromRootBlock,
         LayoutUnit& lastLogicalTop, LayoutUnit& lastLogicalLeft, LayoutUnit& lastLogicalRight,
-        const PaintInfo* = 0, ClipScope* = 0) const;
+        const PaintInfo* = nullptr, ClipScope* = nullptr) const;
     GapRects inlineSelectionGaps(const LayoutBlock* rootBlock, const LayoutPoint& rootBlockPhysicalPosition, const LayoutSize& offsetFromRootBlock,
         LayoutUnit& lastLogicalTop, LayoutUnit& lastLogicalLeft, LayoutUnit& lastLogicalRight, const PaintInfo*) const;
     GapRects blockSelectionGaps(const LayoutBlock* rootBlock, const LayoutPoint& rootBlockPhysicalPosition, const LayoutSize& offsetFromRootBlock,
         LayoutUnit& lastLogicalTop, LayoutUnit& lastLogicalLeft, LayoutUnit& lastLogicalRight, const PaintInfo*) const;
     LayoutRect blockSelectionGap(const LayoutBlock* rootBlock, const LayoutPoint& rootBlockPhysicalPosition, const LayoutSize& offsetFromRootBlock,
         LayoutUnit lastLogicalTop, LayoutUnit lastLogicalLeft, LayoutUnit lastLogicalRight, LayoutUnit logicalBottom, const PaintInfo*) const;
 
     LayoutUnit paginationStrut() const { return m_rareData ? m_rareData->m_paginationStrut : LayoutUnit(); }
     void setPaginationStrut(LayoutUnit);
 
@@ skipping 73 matching lines @@
     void adjustFloatingBlock(const MarginInfo&);
 
     LayoutPoint computeLogicalLocationForFloat(const FloatingObject*, LayoutUnit logicalTopOffset) const;
 
     FloatingObject* insertFloatingObject(LayoutBox&);
     void removeFloatingObject(LayoutBox*);
     void removeFloatingObjectsBelow(FloatingObject*, int logicalOffset);
 
     // Called from lineWidth, to position the floats added in the last line.
     // Returns true if and only if it has positioned any floats.
-    bool positionNewFloats(LineWidth* = 0);
+    bool positionNewFloats(LineWidth* = nullptr);
 
     LayoutUnit getClearDelta(LayoutBox* child, LayoutUnit yPos);
 
     bool hasOverhangingFloats() { return parent() && containsFloats() && lowestFloatLogicalBottom() > logicalHeight(); }
     bool hasOverhangingFloat(LayoutBox*);
     void addIntrudingFloats(LayoutBlockFlow* prev, LayoutUnit xoffset, LayoutUnit yoffset);
     void addOverhangingFloats(LayoutBlockFlow* child, bool makeChildPaintOtherFloats);
 
     LayoutUnit lowestFloatLogicalBottom(FloatingObject::Type = FloatingObject::FloatLeftRight) const;
     LayoutUnit nextFloatLogicalBottomBelow(LayoutUnit, ShapeOutsideFloatOffsetMode = ShapeOutsideFloatMarginBoxOffset) const;
@@ skipping 239 matching lines @@
 
 // END METHODS DEFINED IN LayoutBlockFlowLine
 
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBlockFlow, isLayoutBlockFlow());
 
 } // namespace blink
 
 #endif // LayoutBlockFlow_h