Skeleton implementation of CSS Properties and Values API

third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ComputedStyleCSSValueMapping_h
 #define ComputedStyleCSSValueMapping_h
 
 #include "core/CSSPropertyNames.h"
 #include "core/css/CSSValue.h"
 #include "wtf/Allocator.h"
 
 namespace blink {
 
 class LayoutObject;
 class ComputedStyle;
 class FilterOperations;
 class ShadowData;
 class ShadowList;
 class StyleColor;
 class Node;
 class CSSVariableData;
+class PropertyRegistry;
 
 class ComputedStyleCSSValueMapping {
     STATIC_ONLY(ComputedStyleCSSValueMapping);
 public:
     // FIXME: Resolve computed auto alignment in applyProperty/ComputedStyle and remove this non-const styledNode parameter.
     static const CSSValue* get(CSSPropertyID, const ComputedStyle&, const LayoutObject* = nullptr, Node* styledNode = nullptr, bool allowVisitedStyle = false);
-    static const CSSValue* get(const AtomicString customPropertyName, const ComputedStyle&);
+    static const CSSValue* get(const AtomicString customPropertyName, const ComputedStyle&, const PropertyRegistry*);
     static std::unique_ptr<HashMap<AtomicString, RefPtr<CSSVariableData>>> getVariables(const ComputedStyle&);
 private:
     static CSSValue* currentColorOrValidColor(const ComputedStyle&, const StyleColor&);
     static CSSValue* valueForShadowData(const ShadowData&, const ComputedStyle&, bool useSpread);
     static CSSValue* valueForShadowList(const ShadowList*, const ComputedStyle&, bool useSpread);
     static CSSValue* valueForFilter(const ComputedStyle&, const FilterOperations&);
     static CSSValue* valueForFont(const ComputedStyle&);
 };
 
 } // namespace blink
 
 #endif // ComputedStyleCSSValueMapping_h