Add ArcAuthService to handle IPC request from ARC

components/arc/auth/arc_auth_service.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 COMPONENTS_ARC_AUTH_ARC_AUTH_SERVICE_H_
+#define COMPONENTS_ARC_AUTH_ARC_AUTH_SERVICE_H_
+
+namespace arc {
+
+class ArcAuthService {
+ public:

[Luis Héctor Chávez, 2016/01/04 21:26:21]

virtual ~ArcAuthService()?

[victorhsieh, 2016/01/04 21:31:28]

Done.

+  // Starts listening to state changes of the ArcBridgeService
+  virtual void StartObservingBridgeServiceChanges() = 0;
+};
+
+}  // namespace arc
+
+#endif  // COMPONENTS_ARC_AUTH_ARC_AUTH_SERVICE_H_