Worklet: Move common worklet code from modules/worklet to core/workers

third_party/WebKit/Source/modules/worklet/Worklet.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 Worklet_h
-#define Worklet_h
-
-#include "bindings/core/v8/ScriptPromise.h"
-#include "bindings/core/v8/ScriptWrappable.h"
-#include "core/dom/ActiveDOMObject.h"
-#include "core/fetch/ScriptResource.h"
-#include "modules/ModulesExport.h"
-#include "platform/heap/Handle.h"
-
-namespace blink {
-
-class LocalFrame;
-class ResourceFetcher;
-class WorkletGlobalScopeProxy;
-class WorkletScriptLoader;
-
-class MODULES_EXPORT Worklet : public GarbageCollectedFinalized<Worklet>, public ScriptWrappable, public ActiveDOMObject {
-    DEFINE_WRAPPERTYPEINFO();
-    USING_GARBAGE_COLLECTED_MIXIN(Worklet);
-    WTF_MAKE_NONCOPYABLE(Worklet);
-public:
-    virtual WorkletGlobalScopeProxy* workletGlobalScopeProxy() const = 0;
-
-    // Worklet
-    ScriptPromise import(ScriptState*, const String& url);
-
-    void notifyFinished(WorkletScriptLoader*);
-
-    // ActiveDOMObject
-    void stop() final;
-
-    DECLARE_VIRTUAL_TRACE();
-
-protected:
-    // The Worklet inherits the url and userAgent from the frame->document().
-    explicit Worklet(LocalFrame*);
-
-private:
-    ResourceFetcher* fetcher() const { return m_fetcher.get(); }
-
-    Member<ResourceFetcher> m_fetcher;
-    HeapHashSet<Member<WorkletScriptLoader>> m_scriptLoaders;
-};
-
-} // namespace blink
-
-#endif // Worklet_h