Add ArcNotificationManager for new ARC notification

components/arc/notification/arc_notification_manager.h

Index: components/arc/notification/arc_notification_manager.h
diff --git a/components/arc/notification/arc_notification_manager.h b/components/arc/notification/arc_notification_manager.h
new file mode 100644
index 0000000000000000000000000000000000000000..59dcbdc3ee28d8aae213b83e4b5f90ec95e4ce7b
--- /dev/null
+++ b/components/arc/notification/arc_notification_manager.h
@@ -0,0 +1,46 @@
+// 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 COMPONENTS_ARC_NOTIFICATION_ARC_NOTIFICATION_MANAGER_H_
+#define COMPONENTS_ARC_NOTIFICATION_ARC_NOTIFICATION_MANAGER_H_
+
+#include <map>
+#include <string>
+
+#include "base/containers/scoped_ptr_hash_map.h"
+#include "components/arc/arc_bridge_service.h"
+#include "components/signin/core/account_id/account_id.h"
+
+namespace arc {
+
+class ArcNotificationItem;
+
+class ArcNotificationManager
+    : public arc::ArcBridgeService::NotificationObserver {
+ public:
+  explicit ArcNotificationManager(arc::ArcBridgeService* bridge_service,
+                                  const AccountId& main_profile_id);
+  ~ArcNotificationManager() override;
+
+  // arc::ArcBridgeService::Observer implementation:
+  void OnNotificationPostedFromAndroid(
+      const arc::ArcNotificationData& data) override;
+  void OnNotificationRemovedFromAndroid(const std::string& key) override;
+
+  // Methods called from ArcNotificationItem:
+  void SendNotificationRemovedFromChrome(const std::string& key);
+  void SendNotificationClickedOnChrome(const std::string& key);
+
+ private:
+  arc::ArcBridgeService* const arc_bridge_;
+  const AccountId main_profile_id_;
+
+  typedef base::ScopedPtrHashMap<std::string, scoped_ptr<ArcNotificationItem>>
+      Items;
+  Items items_;
+};
+
+}  // namespace arc
+
+#endif  // COMPONENTS_ARC_NOTIFICATION_ARC_NOTIFICATION_MANAGER_H_