Implement CSS: scroll-boundary-behavior

third_party/WebKit/Source/core/style/StyleRareNonInheritedData.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 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 202 matching lines @@
 
   unsigned m_contain : 4;  // Containment
 
   // ScrollBehavior. 'scroll-behavior' has 2 accepted values, but ScrollBehavior
   // has a third value (that can only be specified using CSSOM scroll APIs) so 2
   // bits are needed.
   unsigned m_scrollBehavior : 2;
 
   unsigned m_scrollSnapType : 2;  // ScrollSnapType
 
+  unsigned m_scrollBoundaryBehavior : 2;  // ScrollBoundaryBehavior
+
   // Plugins require accelerated compositing for reasons external to blink.
   // In which case, we need to update the ComputedStyle on the
   // LayoutEmbeddedObject, so store this bit so that the style actually changes
   // when the plugin becomes composited.
   unsigned m_requiresAcceleratedCompositingForExternalReasons : 1;
 
   // Whether the transform (if it exists) is stored in the element's inline
   // style.
   unsigned m_hasInlineTransform : 1;
   unsigned m_resize : 2;  // EResize
   unsigned m_hasCompositorProxy : 1;
 
   // Style adjustment for appearance is disabled when certain properties are
   // set.
   unsigned m_hasAuthorBackground : 1;  // Whether there is a author-defined
                                        // background.
   unsigned m_hasAuthorBorder : 1;  // Whether there is a author-defined border.
 
  private:
   StyleRareNonInheritedData();
   StyleRareNonInheritedData(const StyleRareNonInheritedData&);
 };
 
 }  // namespace blink
 
 #endif  // StyleRareNonInheritedData_h