CSS Custom Properties (Variables)

Source/core/css/parser/CSSParserImpl.h

Index: Source/core/css/parser/CSSParserImpl.h
diff --git a/Source/core/css/parser/CSSParserImpl.h b/Source/core/css/parser/CSSParserImpl.h
index daedf0b4a28a527fb68dce2705f2b30b53a70271..dd7b1a985b57a9a52afa406784af2d89dc9e6e0d 100644
--- a/Source/core/css/parser/CSSParserImpl.h
+++ b/Source/core/css/parser/CSSParserImpl.h
@@ -98,6 +98,7 @@ private:
     void consumeDeclarationList(CSSParserTokenRange, StyleRule::Type);
     void consumeDeclaration(CSSParserTokenRange, StyleRule::Type);
     void consumeDeclarationValue(CSSParserTokenRange, CSSPropertyID, bool important, StyleRule::Type);
+    void consumeVariableDeclarationValue(CSSParserTokenRange, const AtomicString& variableName);
 
     static PassOwnPtr<Vector<double>> consumeKeyframeKeyList(CSSParserTokenRange);
 
@@ -111,6 +112,8 @@ private:
 
     // For the inspector
     CSSParserObserverWrapper* m_observerWrapper;
+
+    AtomicString m_variableName;
 };
 
 } // namespace blink