arc: Revamp the ArcBridgeService interface

components/arc/intent_helper/arc_intent_helper_bridge.cc

Index: components/arc/intent_helper/arc_intent_helper_bridge.cc
diff --git a/components/arc/intent_helper/arc_intent_helper_bridge.cc b/components/arc/intent_helper/arc_intent_helper_bridge.cc
index 8ad915f4d7d2dd5de3ad9ac318ae8af56b66a16b..5d4354497fd23cd8bb17766e242ca49170aaf917 100644
--- a/components/arc/intent_helper/arc_intent_helper_bridge.cc
+++ b/components/arc/intent_helper/arc_intent_helper_bridge.cc
@@ -38,22 +38,22 @@ ArcIntentHelperBridge::ArcIntentHelperBridge(
       set_wallpaper_delegate_(std::move(set_wallpaper_delegate)),
       activity_resolver_(activity_resolver) {
   DCHECK(thread_checker_.CalledOnValidThread());
-  arc_bridge_service()->AddObserver(this);
+  arc_bridge_service()->intent_helper()->AddObserver(this);
 }
 
 ArcIntentHelperBridge::~ArcIntentHelperBridge() {
   DCHECK(thread_checker_.CalledOnValidThread());
-  arc_bridge_service()->RemoveObserver(this);
+  arc_bridge_service()->intent_helper()->RemoveObserver(this);
 }
 
-void ArcIntentHelperBridge::OnIntentHelperInstanceReady() {
+void ArcIntentHelperBridge::OnInstanceReady() {
   DCHECK(thread_checker_.CalledOnValidThread());
   ash::Shell::GetInstance()->set_link_handler_model_factory(this);
-  arc_bridge_service()->intent_helper_instance()->Init(
+  arc_bridge_service()->intent_helper()->instance()->Init(
       binding_.CreateInterfacePtrAndBind());
 }
 
-void ArcIntentHelperBridge::OnIntentHelperInstanceClosed() {
+void ArcIntentHelperBridge::OnInstanceClosed() {
   DCHECK(thread_checker_.CalledOnValidThread());
   ash::Shell::GetInstance()->set_link_handler_model_factory(nullptr);
 }