First pass at deleting paint invalidation code.

sky/engine/core/rendering/RenderObjectChildList.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 40 matching lines @@
     if (oldChild->isFloatingOrOutOfFlowPositioned())
         toRenderBox(oldChild)->removeFloatingOrPositionedChildFromBlockLists();
 
     {
         // FIXME: We should not be allowing paint invalidation during layout. crbug.com/336250
         AllowPaintInvalidationScope scoper(owner->frameView());
 
         // So that we'll get the appropriate dirty bit set (either that a normal flow child got yanked or
         // that a positioned child got yanked). We also issue paint invalidations, so that the area exposed when the child
         // disappears gets paint invalidated properly.
-        if (!owner->documentBeingDestroyed() && notifyRenderer && oldChild->everHadLayout()) {
+        if (!owner->documentBeingDestroyed() && notifyRenderer && oldChild->everHadLayout())
             oldChild->setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvalidation();
-            oldChild->invalidatePaintForWholeRenderer();
-        }
     }
 
     // If we have a line box wrapper, delete it.
     if (oldChild->isBox())
         toRenderBox(oldChild)->deleteLineBoxWrapper();
 
     // If oldChild is the start or end of the selection, then clear the selection to
     // avoid problems of invalid pointers.
     // FIXME: The FrameSelection should be responsible for this when it
     // is notified of DOM mutations.
@@ skipping 60 matching lines @@
 
     if (!owner->documentBeingDestroyed() && notifyRenderer)
         newChild->insertedIntoTree();
 
     newChild->setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvalidation();
     if (!owner->normalChildNeedsLayout())
         owner->setChildNeedsLayout(); // We may supply the static position for an absolute positioned child.
 }
 
 } // namespace blink