Delete invalidateTreeIfNeeded.

sky/engine/core/rendering/RenderLayer.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 696 matching lines @@
 
     RenderLayer* nextSib = nextSibling();
 
     // Now walk our kids and reattach them to our parent.
     RenderLayer* current = m_first;
     while (current) {
         RenderLayer* next = current->nextSibling();
         removeChild(current);
         m_parent->addChild(current, nextSib);
 
-        current->renderer()->setShouldDoFullPaintInvalidation(true);
         // FIXME: We should call a specialized version of this function.
         current->updateLayerPositionsAfterLayout();
         current = next;
     }
 
     // Remove us from the parent.
     m_parent->removeChild(this);
     m_renderer->destroyLayer();
 }
 
@@ skipping 1268 matching lines @@
     // If the filter fails to build, remove it from the layer. It will still attempt to
     // go through regular processing (e.g. compositing), but never apply anything.
     if (!filterInfo->renderer()->build(renderer(), computeFilterOperations(renderer()->style())))
         filterInfo->setRenderer(nullptr);
 }
 
 void RenderLayer::filterNeedsPaintInvalidation()
 {
 }
 
-void RenderLayer::setShouldDoFullPaintInvalidationIncludingNonCompositingDescendants()
-{
-    renderer()->setShouldDoFullPaintInvalidation(true);
-
-    for (RenderLayer* child = firstChild(); child; child = child->nextSibling()) {
-        child->setShouldDoFullPaintInvalidationIncludingNonCompositingDescendants();
-    }
-}
-
 } // namespace blink
 
 #ifndef NDEBUG
 void showLayerTree(const blink::RenderLayer* layer)
 {
     if (!layer)
         return;
 
     if (blink::LocalFrame* frame = layer->renderer()->frame()) {
         WTF::String output = externalRepresentation(frame, blink::RenderAsTextShowAllLayers | blink::RenderAsTextShowLayerNesting | blink::RenderAsTextShowCompositedLayers | blink::RenderAsTextShowAddresses | blink::RenderAsTextShowIDAndClass | blink::RenderAsTextDontUpdateLayout | blink::RenderAsTextShowLayoutState);
         fprintf(stderr, "%s\n", output.utf8().data());
     }
 }
 
 void showLayerTree(const blink::RenderObject* renderer)
 {
     if (!renderer)
         return;
     showLayerTree(renderer->enclosingLayer());
 }
 #endif