CSS Properties and Values API: Use initial value where appropriate for var()

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

 // Copyright 2016 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 PropertyRegistry_h
 #define PropertyRegistry_h
 
 #include "core/css/CSSSyntaxDescriptor.h"
 #include "core/css/CSSValue.h"
 #include "core/css/CSSVariableData.h"
 #include "wtf/HashMap.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/AtomicString.h"
 #include "wtf/text/AtomicStringHash.h"
 
 namespace blink {
 
 class PropertyRegistry : public GarbageCollected<PropertyRegistry> {
 public:
     static PropertyRegistry* create()
     {
         return new PropertyRegistry();
     }
 
     class Registration : public GarbageCollectedFinalized<Registration> {
     public:
-        Registration(const CSSSyntaxDescriptor& syntax, bool inherits, const CSSValue* initial)
-        : m_syntax(syntax), m_inherits(inherits), m_initial(initial) { }
+        Registration(const CSSSyntaxDescriptor& syntax, bool inherits, const CSSValue* initial, PassRefPtr<CSSVariableData> initialVariableData)
+        : m_syntax(syntax)
+        , m_inherits(inherits)
+        , m_initial(initial)
+        , m_initialVariableData(initialVariableData)
+        { }
 
         const CSSSyntaxDescriptor& syntax() const { return m_syntax; }
         bool inherits() const { return m_inherits; }
         const CSSValue* initial() const { return m_initial; }
+        CSSVariableData* initialVariableData() const { return m_initialVariableData.get(); }
 
         DEFINE_INLINE_TRACE() { visitor->trace(m_initial); }
 
     private:
         const CSSSyntaxDescriptor m_syntax;
         const bool m_inherits;
         const Member<const CSSValue> m_initial;
+        const RefPtr<CSSVariableData> m_initialVariableData;
     };
 
-    void registerProperty(const AtomicString&, const CSSSyntaxDescriptor&, bool inherits, const CSSValue* initial);
+    void registerProperty(const AtomicString&, const CSSSyntaxDescriptor&, bool inherits, const CSSValue* initial, PassRefPtr<CSSVariableData> initialVariableData);
     void unregisterProperty(const AtomicString&);
     const Registration* registration(const AtomicString&) const;
 
     DEFINE_INLINE_TRACE() { visitor->trace(m_registrations); }
 
 private:
     HeapHashMap<AtomicString, Member<Registration>> m_registrations;
 };
 
 } // namespace blink
 
 #endif // PropertyRegistry_h