Propagate inherited properties into slotted elements on recalc.

third_party/WebKit/Source/core/html/HTMLSlotElement.h

 /*
  * Copyright (C) 2015 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 45 matching lines @@
     void appendAssignedNode(Node&);
     void appendDistributedNode(Node&);
     void appendDistributedNodesFrom(const HTMLSlotElement& other);
     void clearDistribution();
 
     bool hasSlotChangeEventListener();
 
     void updateDistributedNodesWithFallback();
     void didUpdateDistribution();
 
-    void attach(const AttachContext& = AttachContext()) override;
-    void detach(const AttachContext& = AttachContext()) override;
+    void attach(const AttachContext& = AttachContext()) final;
+    void detach(const AttachContext& = AttachContext()) final;
 
-    void attributeChanged(const QualifiedName&, const AtomicString& oldValue, const AtomicString& newValue, AttributeModificationReason = ModifiedDirectly) override;
+    void attributeChanged(const QualifiedName&, const AtomicString& oldValue, const AtomicString& newValue, AttributeModificationReason = ModifiedDirectly) final;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     HTMLSlotElement(Document&);
 
-    void childrenChanged(const ChildrenChange&) override;
-    InsertionNotificationRequest insertedInto(ContainerNode*) override;
-    void removedFrom(ContainerNode*) override;
+    void childrenChanged(const ChildrenChange&) final;
+    InsertionNotificationRequest insertedInto(ContainerNode*) final;
+    void removedFrom(ContainerNode*) final;
+    void willRecalcStyle(StyleRecalcChange) final;
 
     void dispatchSlotChangeEvent();
 
     WillBeHeapVector<RefPtrWillBeMember<Node>> m_assignedNodes;
     WillBeHeapVector<RefPtrWillBeMember<Node>> m_distributedNodes;
     WillBeHeapHashMap<RawPtrWillBeMember<const Node>, size_t> m_distributedIndices;
     // TODO(hayato): Remove m_oldDistibutedNodes and make SlotAssignment check the diffirence between old and new distributed nodes for each slot to save the memories.
     WillBeHeapVector<RefPtrWillBeMember<Node>> m_oldDistributedNodes;
 };
 
 } // namespace blink
 
 #endif // HTMLSlotElement_h