arc-bridge: Move most methods to Mojo interfaces

chrome/browser/ui/app_list/arc/arc_app_item.cc

Index: chrome/browser/ui/app_list/arc/arc_app_item.cc
diff --git a/chrome/browser/ui/app_list/arc/arc_app_item.cc b/chrome/browser/ui/app_list/arc/arc_app_item.cc
index 66da1900247399e63b9654eeaf6c3c8032811f75..1fa0b9ed862015f7f2b925529ec34e3513d73dd3 100644
--- a/chrome/browser/ui/app_list/arc/arc_app_item.cc
+++ b/chrome/browser/ui/app_list/arc/arc_app_item.cc
@@ -59,14 +59,19 @@ void ArcAppItem::Activate(int event_flags) {
   }
 
   arc::ArcBridgeService* bridge_service = arc::ArcBridgeService::Get();
-  if (!bridge_service ||
-      bridge_service->state() != arc::ArcBridgeService::State::READY) {
-    VLOG(2) << "Cannot launch app: " << app_info->package
-            << ". Bridge service is not ready.";
+  if (!bridge_service) {
+    VLOG(2) << "Request to launch app when bridge service is not ready: "
+            << id() << ".";
+    return;
+  }
+  arc::AppInstance* app_instance = bridge_service->app_instance();
+  if (!app_instance) {
+    VLOG(2) << "Request to launch app when bridge service is not ready: "
+            << id() << ".";
     return;
   }
 
-  bridge_service->LaunchApp(app_info->package, app_info->activity);
+  app_instance->LaunchApp(app_info->package, app_info->activity);
 }
 
 void ArcAppItem::SetReady(bool ready) {