Move custom property isInheritedProperty storage logic into ComputedStyle

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 441d58ba5c00d8603f5bd9d7c61f602050b87cf1..825e0e5fd7be9d75e7f6a0679674c4c4c12afb5b 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyle.h
+++ b/third_party/WebKit/Source/core/style/ComputedStyle.h
@@ -2504,12 +2504,17 @@ class CORE_EXPORT ComputedStyle : public ComputedStyleBase,
                                        PassRefPtr<CSSVariableData>,
                                        const CSSValue*);
 
-  void removeInheritedVariable(const AtomicString&);
-  void removeNonInheritedVariable(const AtomicString&);
+  void removeVariable(const AtomicString&, bool isInheritedProperty);
 
   // Handles both inherited and non-inherited variables
   CSSVariableData* getVariable(const AtomicString&) const;
 
+  CSSVariableData* getVariable(const AtomicString&,
+                               bool isInheritedProperty) const;
+
+  const CSSValue* getRegisteredVariable(const AtomicString&,
+                                        bool isInheritedProperty) const;
+
   void setHasVariableReferenceFromNonInheritedProperty() {
     m_nonInheritedData.m_variableReference = true;
   }