Revert "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 d8eff8e20b5df138916741c4041a30949245f15d..c4f0ede35f0eab737422471c78fdadbbc3db2db8 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyle.h
+++ b/third_party/WebKit/Source/core/style/ComputedStyle.h
@@ -593,10 +593,6 @@ 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; }
@@ -1746,7 +1742,6 @@ 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(); }