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 446a9aadc637be04c77317c6648ae7be156678eb..37975a1dacf07d3b9d8ef051750b027a6f4d7693 100644
--- a/Source/core/style/ComputedStyle.cpp
+++ b/Source/core/style/ComputedStyle.cpp
@@ -1245,6 +1245,24 @@ 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(); }