Add CSS parser support for the snap-height property

third_party/WebKit/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 33 matching lines @@
     void* refPtrs[1];
     Persistent<void*> persistentHandles[2];
 #else
     void* refPtrs[3];
 #endif
     Length lengths[1];
     float secondFloat;
     unsigned m_bitfields[2];
     short pagedMediaShorts[2];
     short hyphenationShorts[3];
+    uint8_t snapHeight;
 
     Color touchColors;
     TabSize tabSize;
     void* variables[1];
 };
 
 static_assert(sizeof(StyleRareInheritedData) <= sizeof(SameSizeAsStyleRareInheritedData), "StyleRareInheritedData should stay small");
 
 StyleRareInheritedData::StyleRareInheritedData()
     : listStyleImage(ComputedStyle::initialListStyleImage())
@@ skipping 25 matching lines @@
     , m_textOrientation(TextOrientationMixed)
     , m_textCombine(ComputedStyle::initialTextCombine())
     , m_textIndentLine(ComputedStyle::initialTextIndentLine())
     , m_textIndentType(ComputedStyle::initialTextIndentLine())
     , m_imageRendering(ComputedStyle::initialImageRendering())
     , m_textUnderlinePosition(ComputedStyle::initialTextUnderlinePosition())
     , m_rubyPosition(ComputedStyle::initialRubyPosition())
     , m_subtreeWillChangeContents(false)
     , m_selfOrAncestorHasDirAutoAttribute(false)
     , m_respectImageOrientation(false)
+    , m_snapHeightPosition(0)
     , hyphenationLimitBefore(-1)
     , hyphenationLimitAfter(-1)
     , hyphenationLimitLines(-1)
+    , m_snapHeightUnit(0)
     , tapHighlightColor(ComputedStyle::initialTapHighlightColor())
     , m_tabSize(ComputedStyle::initialTabSize())
 {
 }
 
 StyleRareInheritedData::StyleRareInheritedData(const StyleRareInheritedData& o)
     : RefCounted<StyleRareInheritedData>()
     , listStyleImage(o.listStyleImage)
     , m_textStrokeColor(o.m_textStrokeColor)
     , textStrokeWidth(o.textStrokeWidth)
@@ skipping 32 matching lines @@
     , m_textOrientation(o.m_textOrientation)
     , m_textCombine(o.m_textCombine)
     , m_textIndentLine(o.m_textIndentLine)
     , m_textIndentType(o.m_textIndentType)
     , 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)
+    , m_snapHeightPosition(o.m_snapHeightPosition)
     , hyphenationString(o.hyphenationString)
     , hyphenationLimitBefore(o.hyphenationLimitBefore)
     , hyphenationLimitAfter(o.hyphenationLimitAfter)
     , hyphenationLimitLines(o.hyphenationLimitLines)
+    , m_snapHeightUnit(o.m_snapHeightUnit)
     , textEmphasisCustomMark(o.textEmphasisCustomMark)
     , tapHighlightColor(o.tapHighlightColor)
     , appliedTextDecorations(o.appliedTextDecorations)
     , m_tabSize(o.m_tabSize)
     , variables(o.variables)
 {
 }
 
 StyleRareInheritedData::~StyleRareInheritedData()
 {
@@ skipping 39 matching lines @@
         && 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_subtreeWillChangeContents == o.m_subtreeWillChangeContents
         && m_selfOrAncestorHasDirAutoAttribute == o.m_selfOrAncestorHasDirAutoAttribute
         && m_respectImageOrientation == o.m_respectImageOrientation
+        && m_snapHeightPosition == o.m_snapHeightPosition
         && hyphenationString == o.hyphenationString
+        && m_snapHeightUnit == o.m_snapHeightUnit
         && 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)
         && dataEquivalent(variables, o.variables);
 }
 
 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