CSS Custom Properties (Variables)

Source/core/style/ComputedStyle.cpp

Index: Source/core/style/ComputedStyle.cpp
diff --git a/Source/core/style/ComputedStyle.cpp b/Source/core/style/ComputedStyle.cpp
index 594eea063e035cd2c3b09557c5e04716b0271589..c106eae6439ddf828f5bda1fd867d5691454a62b 100644
--- a/Source/core/style/ComputedStyle.cpp
+++ b/Source/core/style/ComputedStyle.cpp
@@ -1242,6 +1242,24 @@ const Vector<AppliedTextDecoration>& ComputedStyle::appliedTextDecorations() con
     return rareInheritedData->appliedTextDecorations->vector();
 }
 
+void ComputedStyle::createVariables()
+{
+    RefPtr<StyleVariableData>& variables = rareInheritedData.access()->variables;
+    if (!variables)
+        variables = StyleVariableData::create();
+}
+
+StyleVariableData* ComputedStyle::variables() const
+{
+    ASSERT(RuntimeEnabledFeatures::cssVariablesEnabled());
+    return rareInheritedData->variables.get();
+}
+
+void ComputedStyle::setVariables(PassRefPtr<StyleVariableData> variableData)
+{
+    rareInheritedData.access()->variables = variableData;
+}
+
 float ComputedStyle::wordSpacing() const { return fontDescription().wordSpacing(); }
 float ComputedStyle::letterSpacing() const { return fontDescription().letterSpacing(); }