[SPInvaldation] Update subtree paint properties when a layout subtree is inserted

third_party/WebKit/Source/core/layout/LayoutObjectChildList.cpp

 /*
  * Copyright (C) 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 166 matching lines @@
 
   // If the inserted node is currently marked as needing to notify children then
   // we have to propagate that mark up the tree.
   if (newChild->wasNotifiedOfSubtreeChange())
     owner->notifyAncestorsOfSubtreeChange();
 
   newChild->setNeedsLayoutAndPrefWidthsRecalc(
       LayoutInvalidationReason::AddedToLayout);
   newChild->setShouldDoFullPaintInvalidation(
       PaintInvalidationLayoutObjectInsertion);
+  newChild->setSubtreeNeedsPaintPropertyUpdate();
   if (!owner->normalChildNeedsLayout())
     owner->setChildNeedsLayout();  // We may supply the static position for an
                                    // absolute positioned child.
 
   if (!owner->documentBeingDestroyed())
     owner->notifyOfSubtreeChange();
 
   if (AXObjectCache* cache = owner->document().axObjectCache())
     cache->childrenChanged(owner);
 }
 
 void LayoutObjectChildList::invalidatePaintOnRemoval(LayoutObject& oldChild) {
   if (!oldChild.isRooted())
     return;
   if (oldChild.isBody())
     oldChild.view()->setShouldDoFullPaintInvalidation();
   ObjectPaintInvalidator paintInvalidator(oldChild);
   paintInvalidator.slowSetPaintingLayerNeedsRepaint();
   paintInvalidator.invalidatePaintOfPreviousVisualRect(
       oldChild.containerForPaintInvalidation(),
       PaintInvalidationLayoutObjectRemoval);
 }
 
 }  // namespace blink