Simplify layout attribute invalidation in LayoutSVGText

third_party/WebKit/Source/core/layout/svg/LayoutSVGText.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010-2012. 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 34 matching lines @@
     FloatRect objectBoundingBox() const override { return FloatRect(frameRect()); }
     FloatRect strokeBoundingBox() const override;
     bool isObjectBoundingBoxValid() const;
 
     static LayoutSVGText* locateLayoutSVGTextAncestor(LayoutObject*);
     static const LayoutSVGText* locateLayoutSVGTextAncestor(const LayoutObject*);
 
     bool needsReordering() const { return m_needsReordering; }
     Vector<SVGTextLayoutAttributes*>& layoutAttributes() { return m_layoutAttributes; }
 
-    void subtreeChildWasAdded(LayoutObject*);
-    void subtreeChildWillBeRemoved(LayoutObject*);
-    void subtreeTextDidChange(LayoutSVGInlineText*);
+    void subtreeChildWasAdded();
+    void subtreeChildWillBeRemoved();
+    void subtreeTextDidChange();
 
     const AffineTransform& localToSVGParentTransform() const override { return m_localTransform; }
 
     const char* name() const override { return "LayoutSVGText"; }
 
 private:
     bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectSVGText || LayoutSVGBlock::isOfType(type); }
 
     void paint(const PaintInfo&, const LayoutPoint&) const override;
     bool nodeAtFloatPoint(HitTestResult&, const FloatPoint& pointInParent, HitTestAction) override;
     PositionWithAffinity positionForPoint(const LayoutPoint&) override;
 
     void layout() override;
 
     void absoluteQuads(Vector<FloatQuad>&) const override;
 
     void addChild(LayoutObject* child, LayoutObject* beforeChild = nullptr) override;
     void removeChild(LayoutObject*) override;
     void willBeDestroyed() override;
 
     void invalidateTreeIfNeeded(const PaintInvalidationState&) override;
 
     RootInlineBox* createRootInlineBox() override;
 
-    bool shouldHandleSubtreeMutations() const;
+    void invalidatePositioningValues(LayoutInvalidationReasonForTracing);
 
     bool m_needsReordering : 1;
     bool m_needsPositioningValuesUpdate : 1;
     bool m_needsTransformUpdate : 1;
     bool m_needsTextMetricsUpdate : 1;
     SVGTextLayoutAttributesBuilder m_layoutAttributesBuilder;
     Vector<SVGTextLayoutAttributes*> m_layoutAttributes;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGText, isSVGText());
 
 } // namespace blink
 
 #endif