[wrapper-tracing] Trace CustomElementReactionStack

third_party/WebKit/Source/core/dom/custom/CustomElementRegistry.cpp

 // 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.
 
 #include "core/dom/custom/CustomElementRegistry.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptCustomElementDefinitionBuilder.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/HTMLElementTypeHelpers.h"
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/dom/ElementDefinitionOptions.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/custom/CEReactionsScope.h"
 #include "core/dom/custom/CustomElement.h"
 #include "core/dom/custom/CustomElementDefinition.h"
 #include "core/dom/custom/CustomElementDefinitionBuilder.h"
 #include "core/dom/custom/CustomElementDescriptor.h"
+#include "core/dom/custom/CustomElementReactionStack.h"
 #include "core/dom/custom/CustomElementUpgradeReaction.h"
 #include "core/dom/custom/CustomElementUpgradeSorter.h"
 #include "core/dom/custom/V0CustomElementRegistrationContext.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "platform/tracing/TraceEvent.h"
 #include "wtf/Allocator.h"
 
 namespace blink {
 
 // Returns true if |name| is invalid.
@@ skipping 52 matching lines @@
       m_upgradeCandidates(new UpgradeCandidateMap()) {}
 
 DEFINE_TRACE(CustomElementRegistry) {
   visitor->trace(m_definitions);
   visitor->trace(m_owner);
   visitor->trace(m_v0);
   visitor->trace(m_upgradeCandidates);
   visitor->trace(m_whenDefinedPromiseMap);
 }
 
+DEFINE_TRACE_WRAPPERS(CustomElementRegistry) {
+  visitor->traceWrappers(&CustomElementReactionStack::current());
+}
+
 CustomElementDefinition* CustomElementRegistry::define(
     ScriptState* scriptState,
     const AtomicString& name,
     const ScriptValue& constructor,
     const ElementDefinitionOptions& options,
     ExceptionState& exceptionState) {
   ScriptCustomElementDefinitionBuilder builder(scriptState, this, constructor,
                                                exceptionState);
   return define(name, builder, options, exceptionState);
 }
@@ skipping 197 matching lines @@
   m_upgradeCandidates->remove(it);
 
   Document* document = m_owner->document();
   if (!document)
     return;
 
   sorter.sorted(elements, document);
 }
 
 }  // namespace blink