diff -r 000000000000 -r 6474c204b198 dom/workers/Navigator.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/workers/Navigator.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,91 @@
+/* -*- 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_navigator_h__
+#define mozilla_dom_workers_navigator_h__
+
+#include "Workers.h"
+#include "RuntimeService.h"
+#include "nsString.h"
+#include "nsWrapperCache.h"
+
+BEGIN_WORKERS_NAMESPACE
+
+class WorkerNavigator MOZ_FINAL : public nsWrapperCache
+{
+  typedef struct RuntimeService::NavigatorProperties NavigatorProperties;
+
+  NavigatorProperties mProperties;
+  bool mOnline;
+
+  WorkerNavigator(const NavigatorProperties& aProperties,
+                  bool aOnline)
+    : mProperties(aProperties)
+    , mOnline(aOnline)
+  {
+    MOZ_COUNT_CTOR(WorkerNavigator);
+    SetIsDOMBinding();
+  }
+
+public:
+
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WorkerNavigator)
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WorkerNavigator)
+
+  static already_AddRefed<WorkerNavigator>
+  Create(bool aOnLine);
+
+  virtual JSObject*
+  WrapObject(JSContext* aCx) MOZ_OVERRIDE;
+
+  nsISupports* GetParentObject() const {
+    return nullptr;
+  }
+
+  ~WorkerNavigator()
+  {
+    MOZ_COUNT_DTOR(WorkerNavigator);
+  }
+
+  void GetAppCodeName(nsString& aAppCodeName) const
+  {
+    aAppCodeName.AssignLiteral("Mozilla");
+  }
+  void GetAppName(nsString& aAppName) const;
+
+  void GetAppVersion(nsString& aAppVersion) const;
+
+  void GetPlatform(nsString& aPlatform) const;
+
+  void GetProduct(nsString& aProduct) const
+  {
+    aProduct.AssignLiteral("Gecko");
+  }
+
+  bool TaintEnabled() const
+  {
+    return false;
+  }
+
+  void GetUserAgent(nsString& aUserAgent) const
+  {
+    aUserAgent = mProperties.mUserAgent;
+  }
+
+  bool OnLine() const
+  {
+    return mOnline;
+  }
+
+  // Worker thread only!
+  void SetOnLine(bool aOnline)
+  {
+    mOnline = aOnline;
+  }
+};
+
+END_WORKERS_NAMESPACE
+
+#endif // mozilla_dom_workers_navigator_h__