Make ifdefs consistent in WebKit/Source/core/

third_party/WebKit/Source/core/layout/api/LineLayoutItem.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef LineLayoutItem_h
 #define LineLayoutItem_h
 
 #include "core/layout/LayoutObject.h"
 #include "core/layout/LayoutObjectInlines.h"
 #include "core/layout/LayoutText.h"
@@ skipping 301 matching lines @@
     static unsigned hash(const LineLayoutItem& key) {
       return WTF::PtrHash<LayoutObject>::hash(key.m_layoutObject);
     }
     static bool equal(const LineLayoutItem& a, const LineLayoutItem& b) {
       return WTF::PtrHash<LayoutObject>::equal(a.m_layoutObject,
                                                b.m_layoutObject);
     }
     static const bool safeToCompareToEmptyOrDeleted = true;
   };
 
-#ifndef NDEBUG
+#if DCHECK_IS_ON()
 
   const char* name() const { return m_layoutObject->name(); }
 
   // Intentionally returns a void* to avoid exposing LayoutObject* to the line
   // layout code.
   void* debugPointer() const { return m_layoutObject; }
 
   void showTreeForThis() const { m_layoutObject->showTreeForThis(); }
 
   String decoratedName() const { return m_layoutObject->decoratedName(); }
@@ skipping 25 matching lines @@
 
 template <>
 struct HashTraits<blink::LineLayoutItem>
     : SimpleClassHashTraits<blink::LineLayoutItem> {
   STATIC_ONLY(HashTraits);
 };
 
 }  // namespace WTF
 
 #endif  // LineLayoutItem_h