[worklets] Add AudioWorkletGlobalScope and AudioWorkletThread

third_party/WebKit/Source/modules/webaudio/AudioWorkletGlobalScope.cpp

+// 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.
+
+#include "modules/webaudio/AudioWorkletGlobalScope.h"
+
+#include "platform/weborigin/SecurityOrigin.h"
+
+namespace blink {
+
+AudioWorkletGlobalScope* AudioWorkletGlobalScope::create(const KURL& url, const String& userAgent, PassRefPtr<SecurityOrigin> securityOrigin, v8::Isolate* isolate, WorkerThread* thread)
+{
+    return new AudioWorkletGlobalScope(url, userAgent, std::move(securityOrigin), isolate, thread);
+}
+
+AudioWorkletGlobalScope::AudioWorkletGlobalScope(const KURL& url, const String& userAgent, PassRefPtr<SecurityOrigin> securityOrigin, v8::Isolate* isolate, WorkerThread* thread)
+    : ThreadedWorkletGlobalScope(url, userAgent, std::move(securityOrigin), isolate, thread)
+{
+}
+
+AudioWorkletGlobalScope::~AudioWorkletGlobalScope()
+{
+}
+
+} // namespace blink