Move selection invalidation to the invalidation phase

Source/core/rendering/RenderObject.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google 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
@@ skipping 833 matching lines @@
     // Actually do the paint invalidate of rect r for this object which has been computed in the coordinate space
     // of the GraphicsLayer backing of |paintInvalidationContainer|. Note that this coordinaten space is not the same
     // as the local coordinate space of |paintInvalidationContainer| in the presence of layer squashing.
     // If |paintInvalidationContainer| is 0, invalidate paints via the view.
     // FIXME: |paintInvalidationContainer| should never be 0. See crbug.com/363699.
     void invalidatePaintUsingContainer(const RenderLayerModelObject* paintInvalidationContainer, const LayoutRect&, PaintInvalidationReason) const;
 
     // Invalidate the paint of a specific subrectangle within a given object. The rect |r| is in the object's coordinate space.
     void invalidatePaintRectangle(const LayoutRect&) const;
 
-    void invalidateSelectionIfNeeded(const RenderLayerModelObject&);
+    void invalidateSelectionIfNeeded(const RenderLayerModelObject&, PaintInvalidationReason);
 
     // Walk the tree after layout issuing paint invalidations for renderers that have changed or moved, updating bounds that have changed, and clearing paint invalidation state.
     virtual void invalidateTreeIfNeeded(const PaintInvalidationState&);
 
     virtual void invalidatePaintForOverflow();
     void invalidatePaintForOverflowIfNeeded();
 
     void invalidatePaintIncludingNonCompositingDescendants();
 
     // Returns the rect that should have paint invalidated whenever this object changes. The rect is in the view's
@@ skipping 322 matching lines @@
         m_bitfields.setLayoutDidGetCalledSinceLastFrame(true);
 
         // Make sure our parent is marked as needing invalidation.
         // This would be unneeded if we allowed sub-tree invalidation (akin to sub-tree layouts).
         markContainingBlockChainForPaintInvalidation();
     }
     void clearLayoutDidGetCalledSinceLastFrame() { m_bitfields.setLayoutDidGetCalledSinceLastFrame(false); }
 
     void invalidatePaintIncludingNonCompositingDescendantsInternal(const RenderLayerModelObject* repaintContainer);
 
+    LayoutRect previousSelectionRectForPaintInvalidation() const;
+    void setPreviousSelectionRectForPaintInvalidation(const LayoutRect&);
+
     const RenderLayerModelObject* enclosingCompositedContainer() const;
 
     RenderFlowThread* locateFlowThreadContainingBlock() const;
     void removeFromRenderFlowThread();
     void removeFromRenderFlowThreadRecursive(RenderFlowThread*);
 
     RenderStyle* cachedFirstLineStyle() const;
     StyleDifference adjustStyleDifference(StyleDifference) const;
 
     Color selectionColor(int colorProperty) const;
@@ skipping 175 matching lines @@
     void setIsDragging(bool b) { m_bitfields.setIsDragging(b); }
     void setEverHadLayout(bool b) { m_bitfields.setEverHadLayout(b); }
     void setShouldInvalidateOverflowForPaint(bool b) { m_bitfields.setShouldInvalidateOverflowForPaint(b); }
     void setSelfNeedsOverflowRecalcAfterStyleChange(bool b) { m_bitfields.setSelfNeedsOverflowRecalcAfterStyleChange(b); }
     void setChildNeedsOverflowRecalcAfterStyleChange(bool b) { m_bitfields.setChildNeedsOverflowRecalcAfterStyleChange(b); }
 
 private:
     // Store state between styleWillChange and styleDidChange
     static bool s_affectsParentBlock;
 
-    // This stores the paint invalidation rect from the previous layout.
+    // This stores the paint invalidation rect from the previous frame.
     LayoutRect m_previousPaintInvalidationRect;
 
     // This stores the position in the paint invalidation backing's coordinate.
     // It is used to detect renderer shifts that forces a full invalidation.
     LayoutPoint m_previousPositionFromPaintInvalidationBacking;
 
     static unsigned s_instanceCount;
 };
 
 // FIXME: remove this once the render object lifecycle ASSERTS are no longer hit.
@@ skipping 208 matching lines @@
 void showTree(const blink::RenderObject*);
 void showLineTree(const blink::RenderObject*);
 void showRenderTree(const blink::RenderObject* object1);
 // We don't make object2 an optional parameter so that showRenderTree
 // can be called from gdb easily.
 void showRenderTree(const blink::RenderObject* object1, const blink::RenderObject* object2);
 
 #endif
 
 #endif // RenderObject_h