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 1188 matching lines @@
   if (&siblingFeatures == &descendantFeatures)
     universalSet.setInvalidatesSelf();
   else
     addFeaturesToInvalidationSet(universalSet.ensureSiblingDescendants(),
                                  descendantFeatures);
 }
 
 DEFINE_TRACE(RuleFeatureSet) {
   visitor->trace(m_siblingRules);
   visitor->trace(m_uncommonAttributeRules);
-  visitor->trace(m_viewportDependentMediaQueryResults);
-  visitor->trace(m_deviceDependentMediaQueryResults);
 }
 
 void RuleFeatureSet::InvalidationSetFeatures::add(
     const InvalidationSetFeatures& other) {
   classes.appendVector(other.classes);
   attributes.appendVector(other.attributes);
   ids.appendVector(other.ids);
   tagNames.appendVector(other.tagNames);
   maxDirectAdjacentSelectors =
       std::max(maxDirectAdjacentSelectors, other.maxDirectAdjacentSelectors);
@@ skipping 10 matching lines @@
 bool RuleFeatureSet::InvalidationSetFeatures::hasFeatures() const {
   return !classes.isEmpty() || !attributes.isEmpty() || !ids.isEmpty() ||
          !tagNames.isEmpty() || customPseudoElement;
 }
 
 bool RuleFeatureSet::InvalidationSetFeatures::hasIdClassOrAttribute() const {
   return !classes.isEmpty() || !attributes.isEmpty() || !ids.isEmpty();
 }
 
 }  // namespace blink