Delete an assortment of unneeded paint invalidation code.

sky/engine/core/rendering/RenderBlock.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, 2004, 2005, 2006, 2007, 2008, 2009, 2010 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 186 matching lines @@
 #endif
 
     // inline-block elements paint all phases atomically. This function ensures that. Certain other elements
     // (flex items) require this behavior as well, and this function exists as a helper for them.
     // It is expected that the caller will call this function independent of the value of paintInfo.phase.
     static void paintAsInlineBlock(RenderObject*, PaintInfo&, const LayoutPoint&);
 
     bool recalcChildOverflowAfterStyleChange();
     bool recalcOverflowAfterStyleChange();
 
+    virtual void invalidateTreeIfNeeded(const PaintInvalidationState&) override;
+
 protected:
     virtual void willBeDestroyed() override;
 
     void dirtyForLayoutFromPercentageHeightDescendants(SubtreeLayoutScope&);
 
     virtual void layout() override;
 
     enum PositionedLayoutBehavior {
         DefaultLayout,
         ForcedLayoutAfterContainingBlockMoved
@@ skipping 45 matching lines @@
 protected:
     virtual void addOverflowFromChildren();
     void addOverflowFromPositionedObjects();
 
     virtual void addFocusRingRects(Vector<IntRect>&, const LayoutPoint& additionalOffset, const RenderLayerModelObject* paintContainer = 0) const override;
 
     void updateBlockChildDirtyBitsBeforeLayout(bool relayoutChildren, RenderBox*);
 
     virtual bool isInlineBlock() const override final { return isInline() && isReplaced(); }
 
-    virtual void invalidateTreeIfNeeded(const PaintInvalidationState&) override;
-
     virtual void paintContents(PaintInfo&, const LayoutPoint&);
 
     virtual bool hitTestContents(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction);
 
 private:
     virtual RenderObjectChildList* virtualChildren() override final { return children(); }
     virtual const RenderObjectChildList* virtualChildren() const override final { return children(); }
 
     virtual const char* renderName() const override;
 
@@ skipping 68 matching lines @@
     // member variables out of RenderBlock and into RenderBlockFlow.
     friend class RenderBlockFlow;
     friend class RenderParagraph;
 };
 
 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderBlock, isRenderBlock());
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_RENDERING_RENDERBLOCK_H_