Oilpan: avoid invoking some no-op finalizers.

Source/core/css/MediaList.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2010, 2012 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,
@@ skipping 46 matching lines @@
 {
 }
 
 MediaQuerySet::MediaQuerySet(const MediaQuerySet& o)
     : m_queries(o.m_queries.size())
 {
     for (unsigned i = 0; i < m_queries.size(); ++i)
         m_queries[i] = o.m_queries[i]->copy();
 }
 
-DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(MediaQuerySet)
+DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(MediaQuerySet);
 
 PassRefPtrWillBeRawPtr<MediaQuerySet> MediaQuerySet::create(const String& mediaString)
 {
     if (mediaString.isEmpty())
         return MediaQuerySet::create();
 
     return MediaQueryParser::parseMediaQuerySet(mediaString);
 }
 
 PassRefPtrWillBeRawPtr<MediaQuerySet> MediaQuerySet::createOffMainThread(const String& mediaString)
@@ skipping 102 matching lines @@
 {
 }
 
 MediaList::MediaList(MediaQuerySet* mediaQueries, CSSRule* parentRule)
     : m_mediaQueries(mediaQueries)
     , m_parentStyleSheet(nullptr)
     , m_parentRule(parentRule)
 {
 }
 
-MediaList::~MediaList()
-{
-}
+DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(MediaList);
 
 void MediaList::setMediaText(const String& value)
 {
     CSSStyleSheet::RuleMutationScope mutationScope(m_parentRule);
 
     m_mediaQueries->set(value);
 
     if (m_parentStyleSheet)
         m_parentStyleSheet->didMutate();
 }
@@ skipping 107 matching lines @@
                 }
             }
         }
     }
 
     if (suspiciousType && !dotsPerPixelUsed)
         addResolutionWarningMessageToConsole(document, mediaQuerySet->mediaText(), suspiciousType);
 }
 
 }