Disallow setting invalid values for registered properties via CSSOM

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

 /*
  * Copyright (C) 2012 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 35 matching lines @@
   DECLARE_VIRTUAL_TRACE();
 
  private:
   CSSRule* parentRule() const override { return 0; }
   unsigned length() const final;
   String item(unsigned index) const final;
   String getPropertyValue(const String& propertyName) final;
   String getPropertyPriority(const String& propertyName) final;
   String getPropertyShorthand(const String& propertyName) final;
   bool isPropertyImplicit(const String& propertyName) final;
-  void setProperty(const String& propertyName,
+  void setProperty(const ExecutionContext*,
+                   const String& propertyName,
                    const String& value,
                    const String& priority,
                    ExceptionState&) final;
   String removeProperty(const String& propertyName, ExceptionState&) final;
   String cssFloat() const;
   void setCSSFloat(const String&, ExceptionState&);
   String cssText() const final;
   void setCSSText(const String&, ExceptionState&) final;
   const CSSValue* getPropertyCSSValueInternal(CSSPropertyID) final;
   const CSSValue* getPropertyCSSValueInternal(
       AtomicString customPropertyName) final;
   String getPropertyValueInternal(CSSPropertyID) final;
   void setPropertyInternal(CSSPropertyID,
                            const String& customPropertyName,
                            const String& value,
                            bool important,
+                           const ExecutionContext*,
                            ExceptionState&) final;
 
   bool cssPropertyMatches(CSSPropertyID, const CSSValue*) const final;
 
  protected:
   enum MutationType { NoChanges, PropertyChanged };
   virtual void willMutate() {}
   virtual void didMutate(MutationType) {}
   virtual MutableStylePropertySet& propertySet() const = 0;
   virtual bool isKeyframeStyle() const { return false; }
@@ skipping 56 matching lines @@
   Element* parentElement() const override { return m_parentElement; }
 
   void didMutate(MutationType) override;
 
   Member<Element> m_parentElement;
 };
 
 }  // namespace blink
 
 #endif