Revert of Multiprofile: switch to newly added user to the session

chrome/browser/chromeos/file_manager/file_manager_browsertest.cc

Index: chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
diff --git a/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc b/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
index a626517c488106c2b19e9723b59981f645c0cade..858172b41956219d82b87c5a855f4566c844f511 100644
--- a/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
+++ b/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
@@ -915,6 +915,9 @@
     const TestAccountInfo& info = kTestAccounts[PRIMARY_ACCOUNT_INDEX];
 
     AddUser(info, true);
+    chromeos::UserManager* const user_manager = chromeos::UserManager::Get();
+    if (user_manager->GetActiveUser() != user_manager->FindUser(info.email))
+      chromeos::UserManager::Get()->SwitchActiveUser(info.email);
     FileManagerBrowserTestBase::SetUpOnMainThread();
   }