Hoist transformToRootChanged() out of SVGLayoutSupport::layoutChildren

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

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Google, Inc.  All rights reserved.
  * Copyright (C) 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 @@
     // If you have a LayoutSVGContainer, use firstChild or lastChild instead.
     void slowFirstChild() const = delete;
     void slowLastChild() const = delete;
 
     LayoutObject* firstChild() const { ASSERT(children() == virtualChildren()); return children()->firstChild(); }
     LayoutObject* lastChild() const { ASSERT(children() == virtualChildren()); return children()->lastChild(); }
 
     void paint(const PaintInfo&, const LayoutPoint&) const override;
     void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) override;
     void setNeedsBoundariesUpdate() final { m_needsBoundariesUpdate = true; }
-    virtual bool didTransformToRootUpdate() { return false; }
+    virtual bool didTransformToRootUpdate() const { return false; }
     bool isObjectBoundingBoxValid() const { return m_objectBoundingBoxValid; }
 
     bool selfWillPaint() const;
 
     bool hasNonIsolatedBlendingDescendants() const final;
 
     const char* name() const override { return "LayoutSVGContainer"; }
 
     FloatRect objectBoundingBox() const final { return m_objectBoundingBox; }
 
@@ skipping 36 matching lines @@
     bool m_needsBoundariesUpdate;
     mutable bool m_hasNonIsolatedBlendingDescendants : 1;
     mutable bool m_hasNonIsolatedBlendingDescendantsDirty : 1;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGContainer, isSVGContainer());
 
 } // namespace blink
 
 #endif // LayoutSVGContainer_h