Move the SVG container code from rendering/svg to layout/svg.

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 50 matching lines @@
 
     virtual void addChild(LayoutObject* child, LayoutObject* beforeChild = 0) override final;
     virtual void removeChild(LayoutObject*) override final;
     virtual void addFocusRingRects(Vector<LayoutRect>&, const LayoutPoint& additionalOffset) const override final;
 
     virtual FloatRect objectBoundingBox() const override final { return m_objectBoundingBox; }
     virtual FloatRect strokeBoundingBox() const override final { return m_strokeBoundingBox; }
 
     virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction) override;
 
-    // Allow RenderSVGTransformableContainer to hook in at the right time in layout().
+    // Allow LayoutSVGTransformableContainer to hook in at the right time in layout().
     virtual bool calculateLocalTransform() { return false; }
 
-    // Allow RenderSVGViewportContainer to hook in at the right times in layout() and nodeAtFloatPoint().
+    // Allow LayoutSVGViewportContainer to hook in at the right times in layout() and nodeAtFloatPoint().
     virtual void calcViewport() { }
     virtual bool pointIsInsideViewportClip(const FloatPoint& /*pointInParent*/) { return true; }
 
     virtual void determineIfLayoutSizeChanged() { }
 
     void updateCachedBoundaries();
 
     virtual void descendantIsolationRequirementsChanged(DescendantIsolationState) override final;
 
 private:
     const LayoutObjectChildList* children() const { return &m_children; }
     LayoutObjectChildList* children() { return &m_children; }
 
     LayoutObjectChildList m_children;
     FloatRect m_objectBoundingBox;
     FloatRect m_strokeBoundingBox;
     bool m_objectBoundingBoxValid;
     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