1 files changed, 54 insertions, 0 deletions
diff --git a/chromium/content/child/service_worker/service_worker_handle_reference.h b/chromium/content/child/service_worker/service_worker_handle_reference.h
new file mode 100644
index 00000000000..0393e55aa96
--- /dev/null
+++ b/chromium/content/child/service_worker/service_worker_handle_reference.h
@@ -0,0 +1,54 @@
+// Copyright 2014 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 CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_HANDLE_REFERENCE_H_
+#define CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_HANDLE_REFERENCE_H_
+
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/common/service_worker/service_worker_types.h"
+
+namespace content {
+
+class ThreadSafeSender;
+
+// Automatically increments and decrements ServiceWorkerHandle's ref-count
+// (in the browser side) in ctor and dtor.
+class ServiceWorkerHandleReference {
+ public:
+  // Creates a new ServiceWorkerHandleReference and increments ref-count.
+  static scoped_ptr<ServiceWorkerHandleReference> Create(
+      const ServiceWorkerObjectInfo& info,
+      ThreadSafeSender* sender);
+
+  // Creates a new ServiceWorkerHandleReference by adopting a
+  // ref-count. ServiceWorkerHandleReferences created this way must
+  // have a matching
+  // ServiceWorkerDispatcherHost::RegisterServiceWorkerHandle call on
+  // the browser side.
+  static scoped_ptr<ServiceWorkerHandleReference> Adopt(
+      const ServiceWorkerObjectInfo& info,
+      ThreadSafeSender* sender);
+
+  ~ServiceWorkerHandleReference();
+
+  const ServiceWorkerObjectInfo& info() const { return info_; }
+  int handle_id() const { return info_.handle_id; }
+  const GURL& scope() const { return info_.scope; }
+  const GURL& url() const { return info_.url; }
+  blink::WebServiceWorkerState state() const { return info_.state; }
+  void set_state(blink::WebServiceWorkerState state) { info_.state = state; }
+
+ private:
+  ServiceWorkerHandleReference(const ServiceWorkerObjectInfo& info,
+                               ThreadSafeSender* sender,
+                               bool increment_ref_in_ctor);
+  ServiceWorkerObjectInfo info_;
+  scoped_refptr<ThreadSafeSender> sender_;
+  DISALLOW_COPY_AND_ASSIGN(ServiceWorkerHandleReference);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_HANDLE_REFERENCE_H_