[wrapper-tracing] Trace CustomElementReactionStack

third_party/WebKit/Source/core/dom/custom/CustomElementRegistry.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 CustomElementRegistry_h
 #define CustomElementRegistry_h
 
 #include "base/gtest_prod_util.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptWrappable.h"
@@ skipping 50 matching lines @@
   // TODO(dominicc): Consider broadening this API when type extensions are
   // implemented.
   void addCandidate(Element*);
   ScriptPromise whenDefined(ScriptState*,
                             const AtomicString& name,
                             ExceptionState&);
 
   void entangle(V0CustomElementRegistrationContext*);
 
   DECLARE_TRACE();
+  DECLARE_VIRTUAL_TRACE_WRAPPERS();
 
  private:
   friend class CustomElementRegistryTest;
 
   CustomElementRegistry(const LocalDOMWindow*);
 
   bool v0NameIsDefined(const AtomicString& name);
 
   void collectCandidates(const CustomElementDescriptor&,
                          HeapVector<Member<Element>>*);
@@ skipping 17 matching lines @@
   Member<UpgradeCandidateMap> m_upgradeCandidates;
 
   using WhenDefinedPromiseMap =
       HeapHashMap<AtomicString, Member<ScriptPromiseResolver>>;
   WhenDefinedPromiseMap m_whenDefinedPromiseMap;
 };
 
 }  // namespace blink
 
 #endif  // CustomElementRegistry_h