Add type selector invalidation set for ruleset invalidations.

third_party/WebKit/Source/core/css/invalidation/StyleInvalidator.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 StyleInvalidator_h
 #define StyleInvalidator_h
 
 #include "core/css/invalidation/PendingInvalidations.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Noncopyable.h"
 #include <memory>
 
 namespace blink {
 
 class ContainerNode;
 class Document;
 class Element;
 class HTMLSlotElement;
 class InvalidationSet;
 
-class StyleInvalidator {
+class CORE_EXPORT StyleInvalidator {
   DISALLOW_NEW();
   WTF_MAKE_NONCOPYABLE(StyleInvalidator);
 
  public:
   StyleInvalidator();
   ~StyleInvalidator();
   void invalidate(Document&);
   void scheduleInvalidationSetsForNode(const InvalidationLists&,
                                        ContainerNode&);
   void scheduleSiblingInvalidationsAsDescendants(
@@ skipping 112 matching lines @@
       HeapHashMap<Member<ContainerNode>, std::unique_ptr<PendingInvalidations>>;
 
   PendingInvalidations& ensurePendingInvalidations(ContainerNode&);
 
   PendingInvalidationMap m_pendingInvalidationMap;
 };
 
 }  // namespace blink
 
 #endif  // StyleInvalidator_h