Start removing the double-negative !ASSERT_DISABLED

Source/core/rendering/compositing/CompositedLayerMapping.cpp

 /*
  * Copyright (C) 2009, 2010, 2011 Apple Inc. 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 1563 matching lines @@
 }
 
 bool CompositedLayerMapping::hasVisibleNonCompositingDescendant(RenderLayer* parent)
 {
     if (!parent->hasVisibleDescendant())
         return false;
 
     // FIXME: We shouldn't be called with a stale z-order lists. See bug 85512.
     parent->stackingNode()->updateLayerListsIfNeeded();
 
-#if !ASSERT_DISABLED
+#if ASSERT_ENABLED
     LayerListMutationDetector mutationChecker(parent->stackingNode());
 #endif
 
     RenderLayerStackingNodeIterator normalFlowIterator(*parent->stackingNode(), AllChildren);
     while (RenderLayerStackingNode* curNode = normalFlowIterator.next()) {
         RenderLayer* curLayer = curNode->layer();
         if (curLayer->hasCompositedLayerMapping())
             continue;
         if (curLayer->hasVisibleContent() || hasVisibleNonCompositingDescendant(curLayer))
             return true;
@@ skipping 244 matching lines @@
         return GraphicsLayerUpdater::ForceUpdate;
     return updateType;
 }
 
 void CompositedLayerMapping::clearNeedsGraphicsLayerUpdate()
 {
     m_needToUpdateGraphicsLayer = false;
     m_needToUpdateGraphicsLayerOfAllDecendants = false;
 }
 
-#if !ASSERT_DISABLED
+#if ASSERT_ENABLED
 
 void CompositedLayerMapping::assertNeedsToUpdateGraphicsLayerBitsCleared()
 {
     ASSERT(!m_needToUpdateGraphicsLayer);
     ASSERT(!m_needToUpdateGraphicsLayerOfAllDecendants);
 }
 
 #endif
 
 struct SetContentsNeedsDisplayFunctor {
@@ skipping 352 matching lines @@
     } else if (graphicsLayer == m_scrollingContentsLayer.get()) {
         name = "Scrolling Contents Layer";
     } else {
         ASSERT_NOT_REACHED();
     }
 
     return name;
 }
 
 } // namespace WebCore