diff -r 000000000000 -r 6474c204b198 dom/workers/MessagePort.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/workers/MessagePort.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,111 @@
+/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_workers_messageport_h_
+#define mozilla_dom_workers_messageport_h_
+
+#include "Workers.h"
+
+#include "mozilla/DOMEventTargetHelper.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/dom/MessagePort.h"
+
+class nsIDOMEvent;
+class nsPIDOMWindow;
+
+namespace mozilla {
+class EventChainPreVisitor;
+} // namespace mozilla
+
+BEGIN_WORKERS_NAMESPACE
+
+class SharedWorker;
+class WorkerPrivate;
+
+class MessagePort MOZ_FINAL : public mozilla::dom::MessagePortBase
+{
+  friend class SharedWorker;
+  friend class WorkerPrivate;
+
+  typedef mozilla::ErrorResult ErrorResult;
+
+  nsRefPtr<SharedWorker> mSharedWorker;
+  WorkerPrivate* mWorkerPrivate;
+  nsTArray<nsCOMPtr<nsIDOMEvent>> mQueuedEvents;
+  uint64_t mSerial;
+  bool mStarted;
+
+public:
+  static bool
+  PrefEnabled();
+
+  virtual void
+  PostMessageMoz(JSContext* aCx, JS::Handle<JS::Value> aMessage,
+                 const Optional<Sequence<JS::Value>>& aTransferable,
+                 ErrorResult& aRv) MOZ_OVERRIDE;
+
+  virtual void
+  Start() MOZ_OVERRIDE;
+
+  virtual void
+  Close() MOZ_OVERRIDE;
+
+  uint64_t
+  Serial() const
+  {
+    return mSerial;
+  }
+
+  void
+  QueueEvent(nsIDOMEvent* aEvent);
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MessagePort, DOMEventTargetHelper)
+
+  virtual EventHandlerNonNull*
+  GetOnmessage() MOZ_OVERRIDE;
+
+  virtual void
+  SetOnmessage(EventHandlerNonNull* aCallback) MOZ_OVERRIDE;
+
+  virtual already_AddRefed<MessagePortBase>
+  Clone() MOZ_OVERRIDE;
+
+  bool
+  IsClosed() const
+  {
+    return !mSharedWorker && !mWorkerPrivate;
+  }
+
+  virtual JSObject*
+  WrapObject(JSContext* aCx) MOZ_OVERRIDE;
+
+  virtual nsresult
+  PreHandleEvent(EventChainPreVisitor& aVisitor) MOZ_OVERRIDE;
+
+#ifdef DEBUG
+  void
+  AssertCorrectThread() const;
+#else
+  void
+  AssertCorrectThread() const { }
+#endif
+
+private:
+  // This class can only be created by SharedWorker or WorkerPrivate.
+  MessagePort(nsPIDOMWindow* aWindow, SharedWorker* aSharedWorker,
+              uint64_t aSerial);
+  MessagePort(WorkerPrivate* aWorkerPrivate, uint64_t aSerial);
+
+  // This class is reference-counted and will be destroyed from Release().
+  ~MessagePort();
+
+  void
+  CloseInternal();
+};
+
+END_WORKERS_NAMESPACE
+
+#endif // mozilla_dom_workers_messageport_h_