arc-bridge: Add the ARC Bridge Service

chromeos/arc/bridge/arc_bridge_service_factory.h

+// Copyright (c) 2012 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 CHROMEOS_ARC_BRIDGE_ARC_BRIDGE_SERVICE_FACTORY_H_
+#define CHROMEOS_ARC_BRIDGE_ARC_BRIDGE_SERVICE_FACTORY_H_
+
+#include "base/memory/singleton.h"
+#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+
+class Profile;
+
+namespace arc {
+
+class ArcBridgeService;
+
+// Singleton that owns all ArcBridgeServices and associates them with
+// Profiles. Listens for the Profile's destruction notification and cleans up
+// the associated ArcBridgeService.
+class ArcBridgeServiceFactory : public BrowserContextKeyedServiceFactory {

[oshima, 2015/10/23 20:29:45]

Does this have to be BrowserContext? can't you just use
KeyedService/SupportsUserData?

[Luis Héctor Chávez, 2015/10/27 00:37:48]

Changed the ArcBridgeService into a KeyedService. Kept this as BrowserContext
since it was moved to components/arc/ and other classes there use this.

+ public:
+  static ArcBridgeService* GetForProfile(Profile* profile);
+
+  static ArcBridgeServiceFactory* GetInstance();
+
+ private:
+  friend struct base::DefaultSingletonTraits<ArcBridgeServiceFactory>;
+
+  ArcBridgeServiceFactory();
+  ~ArcBridgeServiceFactory() override;
+
+  // BrowserContextKeyedServiceFactory:
+  KeyedService* BuildServiceInstanceFor(
+      content::BrowserContext* profile) const override;
+  bool ServiceIsCreatedWithBrowserContext() const override;
+};
+
+}  // namespace arc
+
+#endif  // CHROMEOS_ARC_BRIDGE_ARC_BRIDGE_SERVICE_FACTORY_H_