Initial implementation of bindings and basic classes for worklets.

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

Index: third_party/WebKit/Source/core/workers/WorkerOrWorkletGlobalScope.h
diff --git a/third_party/WebKit/Source/core/workers/WorkerOrWorkletGlobalScope.h b/third_party/WebKit/Source/core/workers/WorkerOrWorkletGlobalScope.h
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index 0000000000000000000000000000000000000000..a418dbfafdcd4185dd0a5e7b5be20dd1b1e03bcc
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+++ b/third_party/WebKit/Source/core/workers/WorkerOrWorkletGlobalScope.h
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+// 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 WorkerOrWorkletGlobalScope_h
+#define WorkerOrWorkletGlobalScope_h
+
+#include "core/dom/ExecutionContext.h"
+
+namespace blink {
+
+class ExecutionContext;
+class ScriptWrappable;
+class WorkerOrWorkletScriptController;
+
+class CORE_EXPORT WorkerOrWorkletGlobalScope : public ExecutionContext {
+public:
+    virtual ScriptWrappable* scriptWrappable() const = 0;
+    virtual WorkerOrWorkletScriptController* script() = 0;
+};
+
+DEFINE_TYPE_CASTS(WorkerOrWorkletGlobalScope, ExecutionContext, context, (context->isWorkerGlobalScope() || context->isWorkletGlobalScope()), (context.isWorkerGlobalScope() || context.isWorkletGlobalScope()));
+
+} // namespace blink
+
+#endif // WorkerOrWorkletGlobalScope_h