Move MediaQuery classes off BlinkGC heap

third_party/WebKit/Source/core/css/RuleFeature.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
@@ skipping 1199 matching lines @@
   if (&sibling_features == &descendant_features)
     universal_set.SetInvalidatesSelf();
   else
     AddFeaturesToInvalidationSet(universal_set.EnsureSiblingDescendants(),
                                  descendant_features);
 }
 
 DEFINE_TRACE(RuleFeatureSet) {
   visitor->Trace(sibling_rules_);
   visitor->Trace(uncommon_attribute_rules_);
-  visitor->Trace(viewport_dependent_media_query_results_);
-  visitor->Trace(device_dependent_media_query_results_);
 }
 
 void RuleFeatureSet::InvalidationSetFeatures::Add(
     const InvalidationSetFeatures& other) {
   classes.AppendVector(other.classes);
   attributes.AppendVector(other.attributes);
   ids.AppendVector(other.ids);
   tag_names.AppendVector(other.tag_names);
   max_direct_adjacent_selectors = std::max(max_direct_adjacent_selectors,
                                            other.max_direct_adjacent_selectors);
@@ skipping 10 matching lines @@
 bool RuleFeatureSet::InvalidationSetFeatures::HasFeatures() const {
   return !classes.IsEmpty() || !attributes.IsEmpty() || !ids.IsEmpty() ||
          !tag_names.IsEmpty() || custom_pseudo_element;
 }
 
 bool RuleFeatureSet::InvalidationSetFeatures::HasIdClassOrAttribute() const {
   return !classes.IsEmpty() || !attributes.IsEmpty() || !ids.IsEmpty();
 }
 
 }  // namespace blink