Implement Style Containment

third_party/WebKit/Source/core/style/ComputedStyle.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * 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
@@ skipping 810 matching lines @@
     EBoxDecorationBreak boxDecorationBreak() const { return m_box->boxDecorationBreak(); }
     StyleReflection* boxReflect() const { return rareNonInheritedData->m_boxReflect.get(); }
     bool reflectionDataEquivalent(const ComputedStyle* otherStyle) const { return rareNonInheritedData->reflectionDataEquivalent(*otherStyle->rareNonInheritedData); }
 
     // FIXME: reflections should belong to this helper function but they are currently handled
     // through their self-painting layers. So the layout code doesn't account for them.
     bool hasVisualOverflowingEffect() const { return boxShadow() || hasBorderImageOutsets() || hasOutline(); }
 
     Containment contain() const { return static_cast<Containment>(rareNonInheritedData->m_contain); }
     bool containsPaint() const { return rareNonInheritedData->m_contain & ContainsPaint; }
+    bool containsStyle() const { return rareNonInheritedData->m_contain & ContainsStyle; }
 
     EBoxSizing boxSizing() const { return m_box->boxSizing(); }
     EUserModify userModify() const { return static_cast<EUserModify>(rareInheritedData->userModify); }
     EUserDrag userDrag() const { return static_cast<EUserDrag>(rareNonInheritedData->userDrag); }
     EUserSelect userSelect() const { return static_cast<EUserSelect>(rareInheritedData->userSelect); }
     TextOverflow textOverflow() const { return static_cast<TextOverflow>(rareNonInheritedData->textOverflow); }
     EMarginCollapse marginBeforeCollapse() const { return static_cast<EMarginCollapse>(rareNonInheritedData->marginBeforeCollapse); }
     EMarginCollapse marginAfterCollapse() const { return static_cast<EMarginCollapse>(rareNonInheritedData->marginAfterCollapse); }
     EWordBreak wordBreak() const { return static_cast<EWordBreak>(rareInheritedData->wordBreak); }
     EOverflowWrap overflowWrap() const { return static_cast<EOverflowWrap>(rareInheritedData->overflowWrap); }
@@ skipping 1167 matching lines @@
 }
 
 inline bool ComputedStyle::hasPseudoElementStyle() const
 {
     return noninherited_flags.pseudoBits & PSEUDO_ELEMENT_MASK;
 }
 
 } // namespace blink
 
 #endif // ComputedStyle_h