Add ArcAuthService to handle IPC request from ARC

components/arc/arc_service_manager.h

Index: components/arc/arc_service_manager.h
diff --git a/components/arc/arc_service_manager.h b/components/arc/arc_service_manager.h
index 0bc481f8afe04f08cb0b7055ac04030b899860c5..5c7c61f5f8a909e8ae23d2c5c179e3418a40d02f 100644
--- a/components/arc/arc_service_manager.h
+++ b/components/arc/arc_service_manager.h
@@ -11,6 +11,7 @@
 
 namespace arc {
 
+class ArcAuthService;
 class ArcBridgeService;
 class ArcInputBridge;
 class ArcSettingsBridge;
@@ -20,7 +21,8 @@ class ArcPowerBridge;
 // instance via the ArcBridgeService.
 class ArcServiceManager {
  public:
-  explicit ArcServiceManager(scoped_ptr<ArcSettingsBridge> settings_bridge);
+  ArcServiceManager(scoped_ptr<ArcSettingsBridge> settings_bridge,
+                    scoped_ptr<ArcAuthService> auth_service);
   virtual ~ArcServiceManager();
 
   // |arc_bridge_service| can only be accessed on the thread that this
@@ -37,6 +39,7 @@ class ArcServiceManager {
   scoped_ptr<ArcInputBridge> arc_input_bridge_;
   scoped_ptr<ArcSettingsBridge> arc_settings_bridge_;
   scoped_ptr<ArcPowerBridge> arc_power_bridge_;
+  scoped_ptr<ArcAuthService> arc_auth_service_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcServiceManager);
 };