Allow assertions to be enabled in Blink Release builds.

Source/core/frame/LocalDOMWindow.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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
@@ skipping 344 matching lines @@
         enum BroadcastListenerRemoval {
             DoNotBroadcastListenerRemoval,
             DoBroadcastListenerRemoval
         };
 
         void removeAllEventListenersInternal(BroadcastListenerRemoval);
 
         RefPtrWillBeMember<Document> m_document;
 
         bool m_shouldPrintWhenFinishedLoading;
-#if ASSERT_ENABLED
+#if ENABLE(ASSERT)
         bool m_hasBeenReset;
 #endif
 
         HashSet<DOMWindowProperty*> m_properties;
 
         mutable RefPtrWillBeMember<Screen> m_screen;
         mutable RefPtrWillBeMember<History> m_history;
         mutable RefPtrWillBeMember<BarProp> m_locationbar;
         mutable RefPtrWillBeMember<BarProp> m_menubar;
         mutable RefPtrWillBeMember<BarProp> m_personalbar;
@@ skipping 26 matching lines @@
     }
 
     inline String LocalDOMWindow::defaultStatus() const
     {
         return m_defaultStatus;
     }
 
 } // namespace WebCore
 
 #endif // DOMWindow_h