CSSValue Immediates: Change CSSValue to an object instead of a pointer

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/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 287 matching lines @@
 void RuleFeatureSet::updateInvalidationSetsForContentAttribute(const RuleData& ruleData)
 {
     const StylePropertySet& propertySet = ruleData.rule()->properties();
 
     int propertyIndex = propertySet.findPropertyIndex(CSSPropertyContent);
 
     if (propertyIndex == -1)
         return;
 
     StylePropertySet::PropertyReference contentProperty = propertySet.propertyAt(propertyIndex);
-    CSSValue* contentValue = contentProperty.value();
+    CSSValue contentValue = contentProperty.value();
 
-    if (!contentValue->isValueList())
+    if (!contentValue.isValueList())
         return;
 
-    for (auto& item : toCSSValueList(*contentValue)) {
-        if (!item->isPrimitiveValue())
+    for (auto& item : toCSSValueList(contentValue)) {
+        if (!item.isPrimitiveValue())
             continue;
-        CSSPrimitiveValue* primitiveItem = toCSSPrimitiveValue(item.get());
-        if (!primitiveItem->isAttr())
+        CSSPrimitiveValue& primitiveItem = toCSSPrimitiveValue(item);
+        if (!primitiveItem.isAttr())
             continue;
-        ensureAttributeInvalidationSet(AtomicString(primitiveItem->getStringValue()));
+        ensureAttributeInvalidationSet(AtomicString(primitiveItem.getStringValue()));
     }
 }
 
 std::pair<const CSSSelector*, RuleFeatureSet::UseFeaturesType>
 RuleFeatureSet::extractInvalidationSetFeatures(const CSSSelector& selector, InvalidationSetFeatures& features, bool negated)
 {
     bool foundFeatures = false;
     for (const CSSSelector* current = &selector; current; current = current->tagHistory()) {
         if (!negated)
             foundFeatures |= extractInvalidationSetFeature(*current, features);
@@ skipping 253 matching lines @@
     visitor->trace(siblingRules);
     visitor->trace(uncommonAttributeRules);
     visitor->trace(m_classInvalidationSets);
     visitor->trace(m_attributeInvalidationSets);
     visitor->trace(m_idInvalidationSets);
     visitor->trace(m_pseudoInvalidationSets);
 #endif
 }
 
 } // namespace blink