[WIP] Implement :dir()

third_party/WebKit/Source/core/dom/ElementData.cpp

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 34 matching lines @@
 static_assert(sizeof(ElementData) == sizeof(SameSizeAsElementData), "ElementData should stay small");
 
 static size_t sizeForShareableElementDataWithAttributeCount(unsigned count)
 {
     return sizeof(ShareableElementData) + sizeof(Attribute) * count;
 }
 
 ElementData::ElementData()
     : m_isUnique(true)
     , m_arraySize(0)
+    , m_directionality(static_cast<int>(CachedTextDirection::NotAutoOrNotCached))
     , m_presentationAttributeStyleIsDirty(false)
     , m_styleAttributeIsDirty(false)
     , m_animatedSVGAttributesAreDirty(false)
 {
 }
 
 ElementData::ElementData(unsigned arraySize)
     : m_isUnique(false)
     , m_arraySize(arraySize)
+    , m_directionality(static_cast<int>(CachedTextDirection::NotAutoOrNotCached))
     , m_presentationAttributeStyleIsDirty(false)
     , m_styleAttributeIsDirty(false)
     , m_animatedSVGAttributesAreDirty(false)
 {
 }
 
 ElementData::ElementData(const ElementData& other, bool isUnique)
     : m_isUnique(isUnique)
     , m_arraySize(isUnique ? 0 : other.attributes().size())
+    , m_directionality(other.m_directionality)
     , m_presentationAttributeStyleIsDirty(other.m_presentationAttributeStyleIsDirty)
     , m_styleAttributeIsDirty(other.m_styleAttributeIsDirty)
     , m_animatedSVGAttributesAreDirty(other.m_animatedSVGAttributesAreDirty)
     , m_classNames(other.m_classNames)
     , m_idForStyleResolution(other.m_idForStyleResolution)
 {
     // NOTE: The inline style is copied by the subclass copy constructor since we don't know what to do with it here.
 }
 
 void ElementData::finalizeGarbageCollectedObject()
@@ skipping 110 matching lines @@
     return new (slot) ShareableElementData(*this);
 }
 
 DEFINE_TRACE_AFTER_DISPATCH(UniqueElementData)
 {
     visitor->trace(m_presentationAttributeStyle);
     ElementData::traceAfterDispatch(visitor);
 }
 
 } // namespace blink