Put back sign in / sign out / new user handling in the App Launcher.

chrome/browser/ui/app_list/app_list_service_interactive_uitest.cc

Index: chrome/browser/ui/app_list/app_list_service_interactive_uitest.cc
diff --git a/chrome/browser/ui/app_list/app_list_service_interactive_uitest.cc b/chrome/browser/ui/app_list/app_list_service_interactive_uitest.cc
index 03e5a9fb039784383ea25241c9d4aec20383c540..d0b35e21b3a3018099c85784f1f4b35a7fc0ce07 100644
--- a/chrome/browser/ui/app_list/app_list_service_interactive_uitest.cc
+++ b/chrome/browser/ui/app_list/app_list_service_interactive_uitest.cc
@@ -91,8 +91,6 @@ IN_PROC_BROWSER_TEST_F(AppListServiceInteractiveTest, MAYBE_ShowAndDismiss) {
 IN_PROC_BROWSER_TEST_F(AppListServiceInteractiveTest,
                        MAYBE_SwitchAppListProfiles) {
   InitSecondProfile();
-  test::SigninProfile(browser()->profile());
-  test::SigninProfile(profile2_);
 
   AppListService* service = test::GetAppListService();
   ASSERT_TRUE(service);
@@ -127,8 +125,6 @@ IN_PROC_BROWSER_TEST_F(AppListServiceInteractiveTest,
 IN_PROC_BROWSER_TEST_F(AppListServiceInteractiveTest,
                        MAYBE_SwitchAppListProfilesDuringSearch) {
   InitSecondProfile();
-  test::SigninProfile(browser()->profile());
-  test::SigninProfile(profile2_);
 
   AppListService* service = test::GetAppListService();
   ASSERT_TRUE(service);