Start implementing new navigator.connect API

Source/modules/navigatorconnect/NavigatorServices.h

+// 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 NavigatorServices_h
+#define NavigatorServices_h
+
+#include "platform/Supplementable.h"
+#include "platform/heap/Handle.h"
+
+namespace blink {
+
+class ExecutionContext;
+class ServicePortCollection;
+class Navigator;
+
+class NavigatorServices final : public GarbageCollectedFinalized<NavigatorServices>, public HeapSupplement<Navigator> {
+    USING_GARBAGE_COLLECTED_MIXIN(NavigatorServices);
+    WTF_MAKE_NONCOPYABLE(NavigatorServices);
+public:
+    virtual ~NavigatorServices();
+    static NavigatorServices& from(Navigator&);
+
+    static ServicePortCollection* services(ExecutionContext*, Navigator&);
+    ServicePortCollection* services(ExecutionContext*);
+
+    DECLARE_VIRTUAL_TRACE();
+
+private:
+    NavigatorServices();
+    static const char* supplementName();
+
+    RefPtrWillBeMember<ServicePortCollection> m_services;
+};
+
+} // namespace blink
+
+#endif // NavigatorServices_h