Initial implementation of stashed message ports, blink side

Source/modules/serviceworkers/StashedPortCollection.h

Index: Source/modules/serviceworkers/StashedPortCollection.h
diff --git a/Source/modules/serviceworkers/StashedPortCollection.h b/Source/modules/serviceworkers/StashedPortCollection.h
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+// Copyright 2015 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 StashedPortCollection_h
+#define StashedPortCollection_h
+
+#include "core/dom/ContextLifecycleObserver.h"
+#include "core/events/EventTarget.h"
+#include "modules/serviceworkers/StashedMessagePort.h"
+#include "wtf/RefCounted.h"
+
+namespace blink {
+class ScriptState;
+class ScriptValue;
+class ServiceWorkerGlobalScope;
+
+class StashedPortCollection final
+    : public EventTargetWithInlineData
+    , public RefCountedWillBeNoBase<StashedPortCollection>
+    , public ContextLifecycleObserver {
+    DEFINE_WRAPPERTYPEINFO();
+    REFCOUNTED_EVENT_TARGET(StashedPortCollection);
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(StashedPortCollection);
+public:
+    static PassRefPtrWillBeRawPtr<StashedPortCollection> create(ExecutionContext*);
+    virtual ~StashedPortCollection();
+
+    void addPorts(const StashedMessagePortArray&);
+
+    // StashedPortCollection.idl
+    PassRefPtrWillBeRawPtr<StashedMessagePort> add(ScriptState*, const String& name, MessagePort*);
+
+    // EventTarget overrides.
+    const AtomicString& interfaceName() const override;
+    ExecutionContext* executionContext() const override;
+
+    DEFINE_ATTRIBUTE_EVENT_LISTENER(message);
+
+    DECLARE_VIRTUAL_TRACE();
+
+private:
+    explicit StashedPortCollection(ExecutionContext*);
+
+    StashedMessagePortArray m_ports;
+};
+
+} // namespace blink
+
+#endif // StashedPortCollection_h