Remove -webkit-line-box-contain implementation.

Source/core/style/StyleRareInheritedData.cpp

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 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 71 matching lines @@
     , hyphens(HyphensManual)
     , textEmphasisFill(TextEmphasisFillFilled)
     , textEmphasisMark(TextEmphasisMarkNone)
     , textEmphasisPosition(TextEmphasisPositionOver)
     , m_textAlignLast(ComputedStyle::initialTextAlignLast())
     , m_textJustify(ComputedStyle::initialTextJustify())
     , m_textOrientation(TextOrientationVerticalRight)
     , m_textCombine(ComputedStyle::initialTextCombine())
     , m_textIndentLine(ComputedStyle::initialTextIndentLine())
     , m_textIndentType(ComputedStyle::initialTextIndentLine())
-    , m_lineBoxContain(ComputedStyle::initialLineBoxContain())
     , m_imageRendering(ComputedStyle::initialImageRendering())
     , m_textUnderlinePosition(ComputedStyle::initialTextUnderlinePosition())
     , m_rubyPosition(ComputedStyle::initialRubyPosition())
     , m_subtreeWillChangeContents(false)
     , m_selfOrAncestorHasDirAutoAttribute(false)
     , m_respectImageOrientation(false)
     , hyphenationLimitBefore(-1)
     , hyphenationLimitAfter(-1)
     , hyphenationLimitLines(-1)
     , tapHighlightColor(ComputedStyle::initialTapHighlightColor())
@@ skipping 35 matching lines @@
     , hyphens(o.hyphens)
     , textEmphasisFill(o.textEmphasisFill)
     , textEmphasisMark(o.textEmphasisMark)
     , textEmphasisPosition(o.textEmphasisPosition)
     , m_textAlignLast(o.m_textAlignLast)
     , m_textJustify(o.m_textJustify)
     , m_textOrientation(o.m_textOrientation)
     , m_textCombine(o.m_textCombine)
     , m_textIndentLine(o.m_textIndentLine)
     , m_textIndentType(o.m_textIndentType)
-    , m_lineBoxContain(o.m_lineBoxContain)
     , m_imageRendering(o.m_imageRendering)
     , m_textUnderlinePosition(o.m_textUnderlinePosition)
     , m_rubyPosition(o.m_rubyPosition)
     , m_subtreeWillChangeContents(o.m_subtreeWillChangeContents)
     , m_selfOrAncestorHasDirAutoAttribute(o.m_selfOrAncestorHasDirAutoAttribute)
     , m_respectImageOrientation(o.m_respectImageOrientation)
     , hyphenationString(o.hyphenationString)
     , hyphenationLimitBefore(o.hyphenationLimitBefore)
     , hyphenationLimitAfter(o.hyphenationLimitAfter)
     , hyphenationLimitLines(o.hyphenationLimitLines)
@@ skipping 46 matching lines @@
         && hyphenationLimitLines == o.hyphenationLimitLines
         && textEmphasisFill == o.textEmphasisFill
         && textEmphasisMark == o.textEmphasisMark
         && textEmphasisPosition == o.textEmphasisPosition
         && m_textAlignLast == o.m_textAlignLast
         && m_textJustify == o.m_textJustify
         && m_textOrientation == o.m_textOrientation
         && m_textCombine == o.m_textCombine
         && m_textIndentLine == o.m_textIndentLine
         && m_textIndentType == o.m_textIndentType
-        && m_lineBoxContain == o.m_lineBoxContain
         && m_subtreeWillChangeContents == o.m_subtreeWillChangeContents
         && m_selfOrAncestorHasDirAutoAttribute == o.m_selfOrAncestorHasDirAutoAttribute
         && m_respectImageOrientation == o.m_respectImageOrientation
         && hyphenationString == o.hyphenationString
         && locale == o.locale
         && textEmphasisCustomMark == o.textEmphasisCustomMark
         && quotesDataEquivalent(o)
         && m_tabSize == o.m_tabSize
         && m_imageRendering == o.m_imageRendering
         && m_textUnderlinePosition == o.m_textUnderlinePosition
         && m_rubyPosition == o.m_rubyPosition
         && dataEquivalent(listStyleImage.get(), o.listStyleImage.get())
         && dataEquivalent(appliedTextDecorations, o.appliedTextDecorations);
 }
 
 bool StyleRareInheritedData::shadowDataEquivalent(const StyleRareInheritedData& o) const
 {
     return dataEquivalent(textShadow.get(), o.textShadow.get());
 }
 
 bool StyleRareInheritedData::quotesDataEquivalent(const StyleRareInheritedData& o) const
 {
     return dataEquivalent(quotes, o.quotes);
 }
 
 } // namespace blink