Rename cleanup in comments in css/ directory.

third_party/WebKit/Source/core/css/MediaQueryListEvent.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MediaQueryListEvent_h
 #define MediaQueryListEvent_h
 
 #include "core/css/MediaQueryList.h"
 #include "core/css/MediaQueryListEventInit.h"
 #include "core/events/Event.h"
@@ skipping 47 matching lines @@
 
   MediaQueryListEvent(const AtomicString& event_type,
                       const MediaQueryListEventInit& initializer)
       : Event(event_type, initializer), matches_(false) {
     if (initializer.hasMedia())
       media_ = initializer.media();
     if (initializer.hasMatches())
       matches_ = initializer.matches();
   }
 
-  // We have m_media/m_matches for JS-created events; we use m_mediaQueryList
+  // We have media_/matches_ for JS-created events; we use media_query_list_
   // for events that blink generates.
   Member<MediaQueryList> media_query_list_;
   String media_;
   bool matches_;
 };
 
 }  // namespace blink
 
 #endif  // MediaQueryListEvent_h