Revert "CSS Custom Properties (Variables)"

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 1c1622c066c4cd9e0107be983911edc00b43ad76..612e93a857915c57901e99b9220cc78a16eee390 100644
--- a/third_party/WebKit/Source/core/style/StyleRareInheritedData.cpp
+++ b/third_party/WebKit/Source/core/style/StyleRareInheritedData.cpp
@@ -54,7 +54,6 @@ struct SameSizeAsStyleRareInheritedData : public RefCounted<SameSizeAsStyleRareI
 
     Color touchColors;
     TabSize tabSize;
-    void* variables[1];
 };
 
 static_assert(sizeof(StyleRareInheritedData) <= sizeof(SameSizeAsStyleRareInheritedData), "StyleRareInheritedData should stay small");
@@ -160,7 +159,6 @@ StyleRareInheritedData::StyleRareInheritedData(const StyleRareInheritedData& o)
     , tapHighlightColor(o.tapHighlightColor)
     , appliedTextDecorations(o.appliedTextDecorations)
     , m_tabSize(o.m_tabSize)
-    , variables(o.variables)
 {
 }
 
@@ -224,8 +222,7 @@ bool StyleRareInheritedData::operator==(const StyleRareInheritedData& o) const
         && m_textUnderlinePosition == o.m_textUnderlinePosition
         && m_rubyPosition == o.m_rubyPosition
         && dataEquivalent(listStyleImage.get(), o.listStyleImage.get())
-        && dataEquivalent(appliedTextDecorations, o.appliedTextDecorations)
-        && variables == o.variables;
+        && dataEquivalent(appliedTextDecorations, o.appliedTextDecorations);
 }
 
 bool StyleRareInheritedData::shadowDataEquivalent(const StyleRareInheritedData& o) const