[worklets] Introduce AnimationWorkletGlobalScope and ThreadedWorkletGlobalScope

third_party/WebKit/Source/core/workers/ThreadedWorkletGlobalScope.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 MainThreadWorkletGlobalScope_h
-#define MainThreadWorkletGlobalScope_h
+#ifndef ThreadedWorkletGlobalScope_h
+#define ThreadedWorkletGlobalScope_h
 
 #include "core/CoreExport.h"
-#include "core/dom/ExecutionContext.h"
-#include "core/frame/LocalFrameLifecycleObserver.h"
 #include "core/workers/WorkletGlobalScope.h"
-#include "core/workers/WorkletGlobalScopeProxy.h"
 
 namespace blink {
 
-class ConsoleMessage;
-class LocalFrame;
-class ScriptSourceCode;
+class ConsoleMessageStorage;
+class WorkerInspectorController;
+class WorkerThread;
 
-class CORE_EXPORT MainThreadWorkletGlobalScope : public WorkletGlobalScope, public WorkletGlobalScopeProxy, public LocalFrameLifecycleObserver {
+class CORE_EXPORT ThreadedWorkletGlobalScope : public WorkletGlobalScope {
 public:
-    ~MainThreadWorkletGlobalScope() override;
-    bool isMainThreadWorkletGlobalScope() const final { return true; }
+    ~ThreadedWorkletGlobalScope() override;
+    void dispose() final;
 
-    // WorkletGlobalScopeProxy
-    void evaluateScript(const ScriptSourceCode&) final;
-    void terminateWorkletGlobalScope() final;
-
-    using LocalFrameLifecycleObserver::frame;
+    // ExecutionContext
+    bool isThreadedWorkletGlobalScope() const final { return true; }
+    bool isContextThread() const final;
+    void postTask(const WebTraceLocation&, std::unique_ptr<ExecutionContextTask>, const String& taskNameForInstrumentation) final;
     void addConsoleMessage(ConsoleMessage*) final;
     void exceptionThrown(ErrorEvent*) final;
 
-    DEFINE_INLINE_VIRTUAL_TRACE()
-    {
-        WorkletGlobalScope::trace(visitor);
-        LocalFrameLifecycleObserver::trace(visitor);
-    }
+    WorkerThread* thread() const { return m_thread; }
 
 protected:
-    MainThreadWorkletGlobalScope(LocalFrame*, const KURL&, const String& userAgent, PassRefPtr<SecurityOrigin>, v8::Isolate*);
+    ThreadedWorkletGlobalScope(const KURL&, const String& userAgent, PassRefPtr<SecurityOrigin>, v8::Isolate*, WorkerThread*);
+
+private:
+    WorkerThread* m_thread;
 };
 
-DEFINE_TYPE_CASTS(MainThreadWorkletGlobalScope, ExecutionContext, context, context->isMainThreadWorkletGlobalScope(), context.isMainThreadWorkletGlobalScope());
+DEFINE_TYPE_CASTS(ThreadedWorkletGlobalScope, ExecutionContext, context, context->isThreadedWorkletGlobalScope(), context.isThreadedWorkletGlobalScope());
 
 } // namespace blink
 
-#endif // MainThreadWorkletGlobalScope_h
+#endif // ThreadedWorkletGlobalScope_h