[DONT COMMIT] WIP: WorkerClientsInitializer

third_party/WebKit/Source/core/workers/Worker.h

 // 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.
 
 #ifndef Worker_h
 #define Worker_h
 
 #include "core/workers/InProcessWorkerBase.h"
 
+#include "core/workers/WorkerClients.h"
+
 namespace blink {
 
 class ExceptionState;
 class ExecutionContext;
 class InProcessWorkerMessagingProxy;
 
 class CORE_EXPORT Worker final : public InProcessWorkerBase {
   DEFINE_WRAPPERTYPEINFO();
   USING_GARBAGE_COLLECTED_MIXIN(Worker);
 
  public:
   static Worker* Create(ExecutionContext*, const String& url, ExceptionState&);
   ~Worker() override;
 
  protected:
   explicit Worker(ExecutionContext*);
 
   InProcessWorkerMessagingProxy* CreateInProcessWorkerMessagingProxy(
       ExecutionContext*) override;
   const AtomicString& InterfaceName() const override;
 };
 
+extern template class CORE_EXTERN_TEMPLATE_EXPORT
+    WorkerClientsInitializer<Worker>;
+
 }  // namespace blink
 
 #endif  // Worker_h