Allow assertions to be enabled in Blink Release builds.

Source/core/dom/Node.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 981 matching lines @@
     ASSERT(document().inStyleRecalc() || isDocumentNode());
     ASSERT(needsAttach());
     ASSERT(!renderer() || (renderer()->style() && (renderer()->parent() || renderer()->isRenderView())));
 
     clearNeedsStyleRecalc();
 
     if (AXObjectCache* cache = document().axObjectCache())
         cache->updateCacheAfterNodeIsAttached(this);
 }
 
-#ifndef NDEBUG
+#if ENABLE(ASSERT)
 static Node* detachingNode;
 
 bool Node::inDetach() const
 {
     return detachingNode == this;
 }
 #endif
 
 void Node::detach(const AttachContext& context)
 {
     ASSERT(document().lifecycle().stateAllowsDetach());
     DocumentLifecycle::DetachScope willDetach(document().lifecycle());
 
-#ifndef NDEBUG
+#if ENABLE(ASSERT)
     ASSERT(!detachingNode);
     detachingNode = this;
 #endif
 
     if (renderer())
         renderer()->destroyAndCleanupAnonymousWrappers();
     setRenderer(0);
 
     // Do not remove the element's hovered and active status
     // if performing a reattach.
     if (!context.performingReattach) {
         Document& doc = document();
         if (isUserActionElement()) {
             if (hovered())
                 doc.hoveredNodeDetached(this);
             if (inActiveChain())
                 doc.activeChainNodeDetached(this);
             doc.userActionElements().didDetach(this);
         }
     }
 
     setStyleChange(NeedsReattachStyleChange);
     setChildNeedsStyleRecalc();
 
     if (StyleResolver* resolver = document().styleResolver())
         resolver->ruleFeatureSet().styleInvalidator().clearInvalidation(*this);
     clearChildNeedsStyleInvalidation();
     clearNeedsStyleInvalidation();
 
-#ifndef NDEBUG
+#if ENABLE(ASSERT)
     detachingNode = 0;
 #endif
 }
 
 void Node::reattachWhitespaceSiblings(Text* start)
 {
     for (Node* sibling = start; sibling; sibling = sibling->nextSibling()) {
         if (sibling->isTextNode() && toText(sibling)->containsOnlyWhitespace()) {
             bool hadRenderer = !!sibling->renderer();
             sibling->reattach();
@@ skipping 1522 matching lines @@
         node->showTreeForThis();
 }
 
 void showNodePath(const WebCore::Node* node)
 {
     if (node)
         node->showNodePathForThis();
 }
 
 #endif