MediaQueryList::evaluate should return a bool

Source/core/css/MediaQueryMatcher.cpp

 /*
  * 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 21 matching lines @@
 namespace WebCore {
 
 MediaQueryMatcher::Listener::Listener(PassRefPtrWillBeRawPtr<MediaQueryListListener> listener, PassRefPtrWillBeRawPtr<MediaQueryList> query)
     : m_listener(listener)
     , m_query(query)
 {
 }
 
 void MediaQueryMatcher::Listener::evaluate(ScriptState* state, MediaQueryEvaluator* evaluator)
 {
-    bool notify;
-    m_query->evaluate(evaluator, notify);
-    if (notify)
+    if (m_query->evaluate(evaluator))
         m_listener->queryChanged(state, m_query.get());
 }
 
 void MediaQueryMatcher::Listener::trace(Visitor* visitor)
 {
     visitor->trace(m_listener);
     visitor->trace(m_query);
 }
 
 MediaQueryMatcher::MediaQueryMatcher(Document* document)
@@ skipping 101 matching lines @@
 void MediaQueryMatcher::trace(Visitor* visitor)
 {
     // We don't support tracing of vectors of OwnPtrs (ie. Vector<OwnPtr<Listener> >).
     // Since this is a transitional object we are just ifdef'ing it out when oilpan is not enabled.
 #if ENABLE(OILPAN)
     visitor->trace(m_listeners);
 #endif
 }
 
 }