Exposing new BackgroundFetchManager on SWReg

third_party/WebKit/Source/modules/background_fetch/BackgroundFetchManager.h

+// Copyright 2017 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 BackgroundFetchManager_h
+#define BackgroundFetchManager_h
+
+#include "bindings/core/v8/ScriptWrappable.h"
+#include "platform/Supplementable.h"
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+
+class ServiceWorkerRegistration;
+
+class BackgroundFetchManager final
+    : public GarbageCollectedFinalized<BackgroundFetchManager>,
+      public ScriptWrappable {
+  DEFINE_WRAPPERTYPEINFO();
+
+ public:
+  static BackgroundFetchManager* create(
+      ServiceWorkerRegistration* registration) {
+    return new BackgroundFetchManager(registration);
+  }
+
+  // Implementation of the Background Fetch API interface.
+  // TODO(awdf) Should have fetch, get and getTags methods, not tag field.
+  const String& tag() const { return m_tag; }
+
+  DECLARE_TRACE();
+
+ private:
+  explicit BackgroundFetchManager(ServiceWorkerRegistration*);
+
+  Member<ServiceWorkerRegistration> m_registration;
+  String m_tag;
+};
+
+}  // namespace blink
+
+#endif  // BackgroundFetchManager_h