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 e4a2660b79d3f75046ca4fe8ce8c2332ba8f890e..a6e69e4dc0d190b9af5f50d65d2e8435441d2bad 100644
--- a/components/arc/intent_helper/arc_intent_helper_bridge.cc
+++ b/components/arc/intent_helper/arc_intent_helper_bridge.cc
@@ -39,22 +39,23 @@ 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(
+    mojom::IntentHelperInstance* intent_helper_instance,
+    uint32_t version) {
   DCHECK(thread_checker_.CalledOnValidThread());
   ash::Shell::GetInstance()->set_link_handler_model_factory(this);
-  arc_bridge_service()->intent_helper_instance()->Init(
-      binding_.CreateInterfacePtrAndBind());
+  intent_helper_instance->Init(binding_.CreateInterfacePtrAndBind());
 }
 
-void ArcIntentHelperBridge::OnIntentHelperInstanceClosed() {
+void ArcIntentHelperBridge::OnInstanceClosed(mojom::IntentHelperInstance*) {
   DCHECK(thread_checker_.CalledOnValidThread());
   ash::Shell::GetInstance()->set_link_handler_model_factory(nullptr);
 }