Move MediaQuery classes off BlinkGC heap

third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.cpp

 /*
  * 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) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 239 matching lines @@
   // spec.
   DCHECK(scope_->RootNode().IsDocumentNode());
   for (size_t i = 0; i < author_style_sheets_.size(); ++i)
     collector.MatchPageRules(
         &author_style_sheets_[i]->Contents()->GetRuleSet());
 }
 
 DEFINE_TRACE(ScopedStyleResolver) {
   visitor->Trace(scope_);
   visitor->Trace(author_style_sheets_);
-  visitor->Trace(viewport_dependent_media_query_results_);
-  visitor->Trace(device_dependent_media_query_results_);
   visitor->Trace(keyframes_rule_map_);
   visitor->Trace(tree_boundary_crossing_rule_set_);
 }
 
 static void AddRules(RuleSet* rule_set,
                      const HeapVector<MinimalRuleData>& rules) {
   for (unsigned i = 0; i < rules.size(); ++i) {
     const MinimalRuleData& info = rules[i];
     rule_set->AddRule(info.rule_, info.selector_index_, info.flags_);
   }
@@ skipping 53 matching lines @@
   }
   return true;
 }
 
 DEFINE_TRACE(ScopedStyleResolver::RuleSubSet) {
   visitor->Trace(parent_style_sheet_);
   visitor->Trace(rule_set_);
 }
 
 }  // namespace blink