Split ArcSessionManager::OnPrimaryUserProfilePrepared().

chrome/browser/ui/ash/launcher/arc_app_launcher_browsertest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/common/shelf/shelf_delegate.h"
 #include "ash/common/wm_shell.h"
 #include "ash/wm/window_util.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
@@ skipping 226 matching lines @@
   void SendInstallationFinished(const std::string& package_name, bool success) {
     arc::mojom::InstallationResult result;
     result.package_name = package_name;
     result.success = success;
     app_host()->OnInstallationFinished(
         arc::mojom::InstallationResultPtr(result.Clone()));
     base::RunLoop().RunUntilIdle();
   }
 
   void StartInstance() {
-    if (arc_session_manager()->profile() != profile())
-      arc_session_manager()->OnPrimaryUserProfilePrepared(profile());
+    if (arc_session_manager()->profile() != profile()) {
+      arc_session_manager()->SetProfile(profile());
+      arc_session_manager()->StartPreferenceHandler();
+    }
     app_instance_observer()->OnInstanceReady();
   }
 
   void StopInstance() {
     arc_session_manager()->Shutdown();
     app_instance_observer()->OnInstanceClosed();
   }
 
   LauncherItemController* GetAppItemController(const std::string& id) {
     const ash::ShelfID shelf_id = shelf_delegate()->GetShelfIDForAppID(id);
@@ skipping 284 matching lines @@
   app_host()->OnTaskDestroyed(2);
   EXPECT_EQ(controller2, GetAppItemController(shelf_id2));
   // Destroy task #2, this kills shelf group 2
   app_host()->OnTaskDestroyed(3);
   EXPECT_FALSE(GetAppItemController(shelf_id2));
 
   // Disable ARC, this removes app and as result kills shelf group 3.
   arc::SetArcPlayStoreEnabledForProfile(profile(), false);
   EXPECT_FALSE(GetAppItemController(shelf_id3));
 }