diff -r 000000000000 -r 6474c204b198 dom/workers/SharedWorker.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/workers/SharedWorker.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,113 @@
+/* -*- 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_sharedworker_h__
+#define mozilla_dom_workers_sharedworker_h__
+
+#include "Workers.h"
+
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/dom/workers/bindings/MessagePort.h"
+#include "mozilla/DOMEventTargetHelper.h"
+
+class nsIDOMEvent;
+class nsPIDOMWindow;
+
+namespace mozilla {
+class EventChainPreVisitor;
+} // namespace mozilla
+
+BEGIN_WORKERS_NAMESPACE
+
+class MessagePort;
+class RuntimeService;
+class WorkerPrivate;
+
+class SharedWorker MOZ_FINAL : public DOMEventTargetHelper
+{
+  friend class MessagePort;
+  friend class RuntimeService;
+
+  typedef mozilla::ErrorResult ErrorResult;
+  typedef mozilla::dom::GlobalObject GlobalObject;
+
+  nsRefPtr<WorkerPrivate> mWorkerPrivate;
+  nsRefPtr<MessagePort> mMessagePort;
+  nsTArray<nsCOMPtr<nsIDOMEvent>> mSuspendedEvents;
+  uint64_t mSerial;
+  bool mSuspended;
+
+public:
+  static already_AddRefed<SharedWorker>
+  Constructor(const GlobalObject& aGlobal, JSContext* aCx,
+              const nsAString& aScriptURL, const Optional<nsAString>& aName,
+              ErrorResult& aRv);
+
+  already_AddRefed<MessagePort>
+  Port();
+
+  uint64_t
+  Serial() const
+  {
+    return mSerial;
+  }
+
+  bool
+  IsSuspended() const
+  {
+    return mSuspended;
+  }
+
+  void
+  Suspend();
+
+  void
+  Resume();
+
+  void
+  QueueEvent(nsIDOMEvent* aEvent);
+
+  void
+  Close();
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SharedWorker, DOMEventTargetHelper)
+
+  IMPL_EVENT_HANDLER(error)
+
+  virtual JSObject*
+  WrapObject(JSContext* aCx) MOZ_OVERRIDE;
+
+  virtual nsresult
+  PreHandleEvent(EventChainPreVisitor& aVisitor) MOZ_OVERRIDE;
+
+  WorkerPrivate*
+  GetWorkerPrivate() const
+  {
+    return mWorkerPrivate;
+  }
+
+private:
+  // This class can only be created from the RuntimeService.
+  SharedWorker(nsPIDOMWindow* aWindow,
+               WorkerPrivate* aWorkerPrivate);
+
+  // This class is reference-counted and will be destroyed from Release().
+  ~SharedWorker();
+
+  // Only called by MessagePort.
+  void
+  PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
+              const Optional<Sequence<JS::Value>>& aTransferable,
+              ErrorResult& aRv);
+
+  // Only called by RuntimeService.
+  void
+  NoteDeadWorker(JSContext* aCx);
+};
+
+END_WORKERS_NAMESPACE
+
+#endif // mozilla_dom_workers_sharedworker_h__