user_manager component: Add UserManagerBase class.

chrome/browser/chromeos/login/session/user_session_manager.h

Index: chrome/browser/chromeos/login/session/user_session_manager.h
diff --git a/chrome/browser/chromeos/login/session/user_session_manager.h b/chrome/browser/chromeos/login/session/user_session_manager.h
index 9344cb83a154faf740e86eb8803508d4bc2c7386..edc8c3f7ffd453b4c07750c2faec099831dce1d3 100644
--- a/chrome/browser/chromeos/login/session/user_session_manager.h
+++ b/chrome/browser/chromeos/login/session/user_session_manager.h
@@ -98,10 +98,6 @@ class UserSessionManager
   // Initialize RLZ.
   void InitRlz(Profile* profile);
 
-  // Returns true when the browser has crashed and restarted during the current
-  // user's session.
-  bool HasBrowserRestarted() const;
-
   // TODO(nkostylev): Drop these methods once LoginUtilsImpl::AttemptRestart()
   // is migrated.
   OAuth2LoginManager::SessionRestoreStrategy GetSigninSessionRestoreStrategy();
@@ -202,6 +198,9 @@ class UserSessionManager
   // loader with it.
   void InitializeCertsForPrimaryUser(Profile* profile);
 
+  // Starts loading CRL set for primary user.
+  void InitializeCRLSetFetcherForPrimaryUser(const user_manager::User* user);
+
   // Callback to process RetrieveActiveSessions() request results.
   void OnRestoreActiveSessions(
       const SessionManagerClient::ActiveSessionsMap& sessions,