Ensure baseComputedStyle optimisation is cleared during registered custom property animations

third_party/WebKit/Source/core/css/PropertyRegistration.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 PropertyRegistration_h
 #define PropertyRegistration_h
 
 #include "core/animation/CSSInterpolationType.h"
 #include "core/animation/InterpolationTypesMap.h"
 #include "core/css/CSSSyntaxDescriptor.h"
 #include "core/css/CSSValue.h"
 #include "core/css/CSSVariableData.h"
 #include "wtf/Allocator.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class ExceptionState;
+class ExecutionContext;
 class PropertyDescriptor;
-class ScriptState;
 
 using CSSInterpolationTypes = Vector<std::unique_ptr<CSSInterpolationType>>;
 
-class PropertyRegistration
+class CORE_EXPORT PropertyRegistration
     : public GarbageCollectedFinalized<PropertyRegistration> {
  public:
-  static void registerProperty(ScriptState*,
+  static void registerProperty(ExecutionContext*,
                                const PropertyDescriptor&,
                                ExceptionState&);
 
   PropertyRegistration(const CSSSyntaxDescriptor&,
                        bool inherits,
                        const CSSValue* initial,
                        PassRefPtr<CSSVariableData> initialVariableData,
                        CSSInterpolationTypes);
 
   const CSSSyntaxDescriptor& syntax() const { return m_syntax; }
@@ skipping 12 matching lines @@
   const CSSSyntaxDescriptor m_syntax;
   const bool m_inherits;
   const Member<const CSSValue> m_initial;
   const RefPtr<CSSVariableData> m_initialVariableData;
   const InterpolationTypes m_interpolationTypes;
 };
 
 }  // namespace blink
 
 #endif  // PropertyRegistration_h