[v8 gc] Introduce a base class for all objects that can have pending activity

third_party/WebKit/Source/core/workers/InProcessWorkerBase.cpp

 // Copyright 2015 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/workers/InProcessWorkerBase.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/events/MessageEvent.h"
 #include "core/fetch/ResourceFetcher.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/workers/WorkerGlobalScopeProxy.h"
 #include "core/workers/WorkerScriptLoader.h"
 #include "core/workers/WorkerThread.h"
 #include "platform/network/ContentSecurityPolicyResponseHeaders.h"
 #include "wtf/MainThread.h"
 
 namespace blink {
 
 InProcessWorkerBase::InProcessWorkerBase(ExecutionContext* context)
     : AbstractWorker(context)
+    , ActiveScriptWrappable(this)
     , m_contextProxy(nullptr)
 {
 }
 
 InProcessWorkerBase::~InProcessWorkerBase()
 {
     ASSERT(isMainThread());
     if (!m_contextProxy)
         return;
     m_contextProxy->workerObjectDestroyed();
@@ skipping 73 matching lines @@
     m_scriptLoader = nullptr;
 }
 
 DEFINE_TRACE(InProcessWorkerBase)
 {
     visitor->trace(m_contentSecurityPolicy);
     AbstractWorker::trace(visitor);
 }
 
 } // namespace blink