Allow assertions to be enabled in Blink Release builds.

Source/core/frame/LocalDOMWindow.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 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 311 matching lines @@
         return false;
     FrameHost* host = frame->host();
     if (!host)
         return false;
     return host->chrome().canRunModalNow();
 }
 
 LocalDOMWindow::LocalDOMWindow(LocalFrame& frame)
     : FrameDestructionObserver(&frame)
     , m_shouldPrintWhenFinishedLoading(false)
-#if ASSERT_ENABLED
+#if ENABLE(ASSERT)
     , m_hasBeenReset(false)
 #endif
 {
     ScriptWrappable::init(this);
 }
 
 void LocalDOMWindow::clearDocument()
 {
     if (!m_document)
         return;
@@ skipping 256 matching lines @@
     m_statusbar = nullptr;
     m_toolbar = nullptr;
     m_console = nullptr;
     m_navigator = nullptr;
     m_performance = nullptr;
     m_location = nullptr;
     m_media = nullptr;
     m_sessionStorage = nullptr;
     m_localStorage = nullptr;
     m_applicationCache = nullptr;
-#if ASSERT_ENABLED
+#if ENABLE(ASSERT)
     m_hasBeenReset = true;
 #endif
 }
 
 bool LocalDOMWindow::isCurrentlyDisplayedInFrame() const
 {
     return m_frame && m_frame->domWindow() == this && m_frame->host();
 }
 
 int LocalDOMWindow::orientation() const
@@ skipping 1322 matching lines @@
     visitor->trace(m_localStorage);
     visitor->trace(m_applicationCache);
     visitor->trace(m_performance);
     visitor->trace(m_css);
     visitor->trace(m_eventQueue);
     WillBeHeapSupplementable<LocalDOMWindow>::trace(visitor);
     EventTargetWithInlineData::trace(visitor);
 }
 
 } // namespace WebCore