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

third_party/WebKit/Source/modules/worklet/ThreadedWorkletGlobalScopeProxy.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 ThreadedWorkletGlobalScopeProxy_h
-#define ThreadedWorkletGlobalScopeProxy_h
-
-#include "core/workers/WorkletGlobalScopeProxy.h"
-
-namespace blink {
-
-class ThreadedWorkletGlobalScopeProxy : public WorkletGlobalScopeProxy {
-public:
-    void evaluateScript(const ScriptSourceCode&) final
-    {
-        // TODO(ikilpatrick): implement.
-    }
-
-    void terminateWorkletGlobalScope() final
-    {
-        // TODO(ikilpatrick): implement.
-    }
-};
-
-} // namespace blink
-
-#endif // ThreadedWorkletGlobalScopeProxy_h