Move MediaQuery classes off BlinkGC heap

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

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2002, 2006, 2008, 2012, 2013 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.
  *
@@ skipping 221 matching lines @@
   StyleRuleCondition(RuleType,
                      const String& condition_text,
                      HeapVector<Member<StyleRuleBase>>& adopt_rule);
   StyleRuleCondition(const StyleRuleCondition&);
   String condition_text_;
 };
 
 class CORE_EXPORT StyleRuleMedia : public StyleRuleCondition {
  public:
   static StyleRuleMedia* Create(
-      MediaQuerySet* media,
+      RefPtr<MediaQuerySet> media,
       HeapVector<Member<StyleRuleBase>>& adopt_rules) {
     return new StyleRuleMedia(media, adopt_rules);
   }
 
   MediaQuerySet* MediaQueries() const { return media_queries_.Get(); }
 
   StyleRuleMedia* Copy() const { return new StyleRuleMedia(*this); }
 
   DECLARE_TRACE_AFTER_DISPATCH();
 
  private:
-  StyleRuleMedia(MediaQuerySet*,
+  StyleRuleMedia(RefPtr<MediaQuerySet>,
                  HeapVector<Member<StyleRuleBase>>& adopt_rules);
   StyleRuleMedia(const StyleRuleMedia&);
 
-  Member<MediaQuerySet> media_queries_;
+  RefPtr<MediaQuerySet> media_queries_;
 };
 
 class StyleRuleSupports : public StyleRuleCondition {
  public:
   static StyleRuleSupports* Create(
       const String& condition_text,
       bool condition_is_supported,
       HeapVector<Member<StyleRuleBase>>& adopt_rules) {
     return new StyleRuleSupports(condition_text, condition_is_supported,
                                  adopt_rules);
@@ skipping 62 matching lines @@
 DEFINE_STYLE_RULE_TYPE_CASTS(FontFace);
 DEFINE_STYLE_RULE_TYPE_CASTS(Page);
 DEFINE_STYLE_RULE_TYPE_CASTS(Media);
 DEFINE_STYLE_RULE_TYPE_CASTS(Supports);
 DEFINE_STYLE_RULE_TYPE_CASTS(Viewport);
 DEFINE_STYLE_RULE_TYPE_CASTS(Charset);
 
 }  // namespace blink
 
 #endif  // StyleRule_h