Revert of Catch up the spec update in CSS Rhythmic Sizing

third_party/WebKit/Source/core/style/StyleRareInheritedData.cpp

Index: third_party/WebKit/Source/core/style/StyleRareInheritedData.cpp
diff --git a/third_party/WebKit/Source/core/style/StyleRareInheritedData.cpp b/third_party/WebKit/Source/core/style/StyleRareInheritedData.cpp
index 615e435a3c662700e1d408bff33cb648821e2e69..b2dbf3486ab399232d5126b375b6ae7b6e3bf74d 100644
--- a/third_party/WebKit/Source/core/style/StyleRareInheritedData.cpp
+++ b/third_party/WebKit/Source/core/style/StyleRareInheritedData.cpp
@@ -49,7 +49,7 @@
   unsigned m_bitfields[2];
   short pagedMediaShorts[2];
   short hyphenationShorts[3];
-  uint8_t lineHeightStep;
+  uint8_t snapHeight;
 
   Color touchColors;
   TabSize tabSize;
@@ -102,10 +102,11 @@
       m_subtreeWillChangeContents(false),
       m_selfOrAncestorHasDirAutoAttribute(false),
       m_respectImageOrientation(false),
+      m_snapHeightPosition(0),
       hyphenationLimitBefore(-1),
       hyphenationLimitAfter(-1),
       hyphenationLimitLines(-1),
-      m_lineHeightStep(0),
+      m_snapHeightUnit(0),
       tapHighlightColor(ComputedStyle::initialTapHighlightColor()),
       m_tabSize(ComputedStyle::initialTabSize()),
       m_textSizeAdjust(ComputedStyle::initialTextSizeAdjust()) {}
@@ -168,11 +169,12 @@
       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_lineHeightStep(o.m_lineHeightStep),
+      m_snapHeightUnit(o.m_snapHeightUnit),
       textEmphasisCustomMark(o.textEmphasisCustomMark),
       tapHighlightColor(o.tapHighlightColor),
       appliedTextDecorations(o.appliedTextDecorations),
@@ -232,8 +234,9 @@
          m_selfOrAncestorHasDirAutoAttribute ==
              o.m_selfOrAncestorHasDirAutoAttribute &&
          m_respectImageOrientation == o.m_respectImageOrientation &&
+         m_snapHeightPosition == o.m_snapHeightPosition &&
          hyphenationString == o.hyphenationString &&
-         m_lineHeightStep == o.m_lineHeightStep &&
+         m_snapHeightUnit == o.m_snapHeightUnit &&
          textEmphasisCustomMark == o.textEmphasisCustomMark &&
          quotesDataEquivalent(o) && m_tabSize == o.m_tabSize &&
          m_imageRendering == o.m_imageRendering &&