Move MediaQuery classes off BlinkGC heap

third_party/WebKit/Source/core/css/resolver/MediaQueryResult.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
  * All rights reserved.
  * Copyright (C) 2013 Google 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.
@@ skipping 11 matching lines @@
  */
 
 #ifndef MediaQueryResult_h
 #define MediaQueryResult_h
 
 #include "core/css/MediaQueryExp.h"
 #include "platform/wtf/Noncopyable.h"
 
 namespace blink {
 
-class MediaQueryResult : public GarbageCollected<MediaQueryResult> {
-  WTF_MAKE_NONCOPYABLE(MediaQueryResult);
+class MediaQueryResult {
+  DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 
  public:
   MediaQueryResult(const MediaQueryExp& expr, bool result)
-      : expression_(&expr), result_(result) {}
+      : expression_(expr), result_(result) {}
 
-  DEFINE_INLINE_TRACE() { visitor->Trace(expression_); }
-
-  const MediaQueryExp* Expression() const { return expression_; }
+  const MediaQueryExp& Expression() const { return expression_; }
 
   bool Result() const { return result_; }
 
  private:
-  Member<const MediaQueryExp> expression_;
+  const MediaQueryExp expression_;
   bool result_;
 };
 
 }  // namespace blink
 
 #endif