Split ArcSessionManager from ArcAuthService.

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

Index: chrome/browser/ui/app_list/arc/arc_app_model_builder.cc
diff --git a/chrome/browser/ui/app_list/arc/arc_app_model_builder.cc b/chrome/browser/ui/app_list/arc/arc_app_model_builder.cc
index 5e4fc29461532b30f06d1dc9287977f6d86c0fff..b52cc4ac045ecf553b4aa758b2c4affb2e76500c 100644
--- a/chrome/browser/ui/app_list/arc/arc_app_model_builder.cc
+++ b/chrome/browser/ui/app_list/arc/arc_app_model_builder.cc
@@ -5,7 +5,7 @@
 #include "chrome/browser/ui/app_list/arc/arc_app_model_builder.h"
 
 #include "base/memory/ptr_util.h"
-#include "chrome/browser/chromeos/arc/arc_auth_service.h"
+#include "chrome/browser/chromeos/arc/arc_session_manager.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_item.h"
 
@@ -53,10 +53,11 @@ void ArcAppModelBuilder::OnAppRegistered(
 }
 
 void ArcAppModelBuilder::OnAppRemoved(const std::string& app_id) {
-  const arc::ArcAuthService* auth_service = arc::ArcAuthService::Get();
-  DCHECK(auth_service);
+  const arc::ArcSessionManager* arc_session_manager =
+      arc::ArcSessionManager::Get();
+  DCHECK(arc_session_manager);
   // Don't sync app removal in case it was caused by disabling Arc.
-  const bool unsynced_change = !auth_service->IsArcEnabled();
+  const bool unsynced_change = !arc_session_manager->IsArcEnabled();
   RemoveApp(app_id, unsynced_change);
 }