CSS Custom Properties (Variables)

third_party/WebKit/Source/core/style/ComputedStyle.h

Index: third_party/WebKit/Source/core/style/ComputedStyle.h
diff --git a/third_party/WebKit/Source/core/style/ComputedStyle.h b/third_party/WebKit/Source/core/style/ComputedStyle.h
index cd8d4fbb5f58e370f33bbc7edab9be14cfe24182..d4e785488704da81e98bfc08d1d75f31b80cc2a9 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyle.h
+++ b/third_party/WebKit/Source/core/style/ComputedStyle.h
@@ -593,6 +593,10 @@ public:
     TextDecorationStyle textDecorationStyle() const { return static_cast<TextDecorationStyle>(rareNonInheritedData->m_textDecorationStyle); }
     float wordSpacing() const;
     float letterSpacing() const;
+    StyleVariableData* variables() const;
+
+    void setVariable(const AtomicString&, PassRefPtr<CSSVariableData>);
+    void removeVariable(const AtomicString&);
 
     float zoom() const { return visual->m_zoom; }
     float effectiveZoom() const { return rareInheritedData->m_effectiveZoom; }
@@ -1738,6 +1742,7 @@ public:
     static TouchAction initialTouchAction() { return TouchActionAuto; }
     static ShadowList* initialBoxShadow() { return 0; }
     static ShadowList* initialTextShadow() { return 0; }
+    static StyleVariableData* initialVariables() { return nullptr; }
     static ScrollBehavior initialScrollBehavior() { return ScrollBehaviorAuto; }
     static ScrollSnapType initialScrollSnapType() { return ScrollSnapTypeNone; }
     static ScrollSnapPoints initialScrollSnapPointsX() { return ScrollSnapPoints(); }