Make blink classes and structures in core/css fast-allocated

Source/core/css/RuleFeature.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.
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 87 matching lines @@
     WillBeHeapVector<RuleFeature> uncommonAttributeRules;
 
 protected:
     DescendantInvalidationSet* invalidationSetForSelector(const CSSSelector&);
 
 private:
     using InvalidationSetMap = WillBeHeapHashMap<AtomicString, RefPtrWillBeMember<DescendantInvalidationSet>>;
     using PseudoTypeInvalidationSetMap = WillBeHeapHashMap<CSSSelector::PseudoType, RefPtrWillBeMember<DescendantInvalidationSet>, WTF::IntHash<unsigned>, WTF::UnsignedWithZeroKeyHashTraits<unsigned>>;
 
     struct FeatureMetadata {
+        DISALLOW_ALLOCATION();
         FeatureMetadata()
             : usesFirstLineRules(false)
             , usesWindowInactiveSelector(false)
             , foundSiblingSelector(false)
             , maxDirectAdjacentSelectors(0)
         { }
         void add(const FeatureMetadata& other);
         void clear();
 
         bool usesFirstLineRules;
         bool usesWindowInactiveSelector;
         bool foundSiblingSelector;
         unsigned maxDirectAdjacentSelectors;
     };
 
     void collectFeaturesFromSelector(const CSSSelector&, FeatureMetadata&);
 
     DescendantInvalidationSet& ensureClassInvalidationSet(const AtomicString& className);
     DescendantInvalidationSet& ensureAttributeInvalidationSet(const AtomicString& attributeName);
     DescendantInvalidationSet& ensureIdInvalidationSet(const AtomicString& attributeName);
     DescendantInvalidationSet& ensurePseudoInvalidationSet(CSSSelector::PseudoType);
 
     void updateInvalidationSets(const RuleData&);
     void updateInvalidationSetsForContentAttribute(const RuleData&);
 
     struct InvalidationSetFeatures {
+        DISALLOW_ALLOCATION();
         InvalidationSetFeatures()
             : customPseudoElement(false)
             , hasBeforeOrAfter(false)
             , treeBoundaryCrossing(false)
             , adjacent(false)
             , insertionPointCrossing(false)
             , forceSubtree(false)
         { }
 
         bool useSubtreeInvalidation() const { return forceSubtree || adjacent; }
@@ skipping 26 matching lines @@
     InvalidationSetMap m_attributeInvalidationSets;
     InvalidationSetMap m_idInvalidationSets;
     PseudoTypeInvalidationSetMap m_pseudoInvalidationSets;
 };
 
 } // namespace blink
 
 WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::RuleFeature);
 
 #endif // RuleFeature_h