MediaQueryList::evaluate should return a bool

Source/core/css/MediaQueryList.h

 /*
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  *  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 29 matching lines @@
 class MediaQueryList FINAL : public RefCountedWillBeGarbageCollected<MediaQueryList> {
     DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(MediaQueryList);
 public:
     static PassRefPtrWillBeRawPtr<MediaQueryList> create(PassRefPtrWillBeRawPtr<MediaQueryMatcher>, PassRefPtrWillBeRawPtr<MediaQuerySet>, bool);
     String media() const;
     bool matches();
 
     void addListener(PassRefPtrWillBeRawPtr<MediaQueryListListener>);
     void removeListener(PassRefPtrWillBeRawPtr<MediaQueryListListener>);
 
-    void evaluate(MediaQueryEvaluator*, bool& notificationNeeded);
+    bool evaluate(MediaQueryEvaluator*);
 
     void trace(Visitor*);
 
 private:
     MediaQueryList(PassRefPtrWillBeRawPtr<MediaQueryMatcher>, PassRefPtrWillBeRawPtr<MediaQuerySet>, bool matches);
     void setMatches(bool);
 
     RefPtrWillBeMember<MediaQueryMatcher> m_matcher;
     RefPtrWillBeMember<MediaQuerySet> m_media;
     unsigned m_evaluationRound; // Indicates if the query has been evaluated after the last style selector change.
     unsigned m_changeRound; // Used to know if the query has changed in the last style selector change.
     bool m_matches;
 };
 
 }
 
 #endif // MediaQueryList_h