Make ifdefs consistent in WebKit/Source/core/

third_party/WebKit/Source/core/layout/line/InlineBox.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 83 matching lines @@
 
 String InlineBox::debugName() const {
   return boxName();
 }
 
 LayoutRect InlineBox::visualRect() const {
   // TODO(chrishtr): tighten these bounds.
   return getLineLayoutItem().visualRect();
 }
 
-#ifndef NDEBUG
+#if DCHECK_IS_ON()
 void InlineBox::showTreeForThis() const {
   getLineLayoutItem().showTreeForThis();
 }
 
 void InlineBox::showLineTreeForThis() const {
   getLineLayoutItem().containingBlock().showLineTreeAndMark(this, "*");
 }
 
 void InlineBox::showLineTreeAndMark(const InlineBox* markedBox1,
                                     const char* markedLabel1,
@@ skipping 304 matching lines @@
 }
 
 void showLineTree(const blink::InlineBox* b) {
   if (b)
     b->showLineTreeForThis();
   else
     fprintf(stderr, "Cannot showLineTree for (nil) InlineBox.\n");
 }
 
 #endif