arc-bridge: Move most methods to Mojo interfaces

components/arc/arc_bridge_service.cc

Index: components/arc/arc_bridge_service.cc
diff --git a/components/arc/arc_bridge_service.cc b/components/arc/arc_bridge_service.cc
index 5e6bcad345bb3f11aa4b5ac60037c2a92cd90eb2..83520227b271491cb945c4163c4c491d59af27f8 100644
--- a/components/arc/arc_bridge_service.cc
+++ b/components/arc/arc_bridge_service.cc
@@ -56,27 +56,6 @@ void ArcBridgeService::RemoveObserver(Observer* observer) {
   observer_list_.RemoveObserver(observer);
 }
 
-void ArcBridgeService::AddNotificationObserver(NotificationObserver* observer) {
-  DCHECK(CalledOnValidThread());
-  notification_observer_list_.AddObserver(observer);
-}
-
-void ArcBridgeService::RemoveNotificationObserver(
-    NotificationObserver* observer) {
-  DCHECK(CalledOnValidThread());
-  notification_observer_list_.RemoveObserver(observer);
-}
-
-void ArcBridgeService::AddAppObserver(AppObserver* observer) {
-  DCHECK(CalledOnValidThread());
-  app_observer_list_.AddObserver(observer);
-}
-
-void ArcBridgeService::RemoveAppObserver(AppObserver* observer) {
-  DCHECK(CalledOnValidThread());
-  app_observer_list_.RemoveObserver(observer);
-}
-
 void ArcBridgeService::SetState(State state) {
   DCHECK(CalledOnValidThread());
   // DCHECK on enum classes not supported.