Track whether a given user session has completed initialization, and use

components/user_manager/known_user.h

 // Copyright 2015 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.
 
 #ifndef COMPONENTS_USER_MANAGER_KNOWN_USER_H_
 #define COMPONENTS_USER_MANAGER_KNOWN_USER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 109 matching lines @@
 // Saves whether the user authenticates using SAML.
 void USER_MANAGER_EXPORT UpdateUsingSAML(const AccountId& account_id,
                                          const bool using_saml);
 
 // Returns if SAML needs to be used for authentication of the user with
 // |account_id|, if it is known (was set by a |UpdateUsingSaml| call).
 // Otherwise
 // returns false.
 bool USER_MANAGER_EXPORT IsUsingSAML(const AccountId& account_id);
 
+// Returns true if the user's session has already completed initialization
+// (set to false when session is created, and then is set to true once
+// the profile is intiaiized - this allows us to detect crashes/restarts during
+// initial session creation so we can recover gracefully).
+bool USER_MANAGER_EXPORT WasProfileEverInitialized(const AccountId& account_id);
+
+// Sets the flag that denotes whether the session associated with a user has
+// completed initialization at least once.
+void USER_MANAGER_EXPORT SetProfileEverInitialized(const AccountId& account_id,
+                                                   bool initialized);
+
 // Saves why the user has to go through re-auth flow.
 void USER_MANAGER_EXPORT UpdateReauthReason(const AccountId& account_id,
                                             const int reauth_reason);
 
 // Returns the reason why the user with |account_id| has to go through the
 // re-auth flow. Returns true if such a reason was recorded or false
 // otherwise.
 bool USER_MANAGER_EXPORT FindReauthReason(const AccountId& account_id,
                                           int* out_value);
 
 // Removes all user preferences associated with |account_id|.
-// (This one used by user_manager only and thus not exported.)
-void RemovePrefs(const AccountId& account_id);
+// (exported so it can be used in tests).
+void USER_MANAGER_EXPORT RemovePrefs(const AccountId& account_id);

[Alexander Alekseev, 2017/03/09 02:04:04]

nit: Could you leave this private, and create a new (exported) proxy method
RemovePrefsForTesting(...), so that our presubmit hooks will work, preventing
RemovePrefsForTesting() this to be called from non-test code outside of
components/user_manager ?

[Andrew T Wilson (Slow), 2017/03/09 12:33:15]

Done.

 
 // Register known user prefs.
 void USER_MANAGER_EXPORT RegisterPrefs(PrefRegistrySimple* registry);
 }
 }  // namespace user_manager
 
 #endif  // COMPONENTS_USER_MANAGER_KNOWN_USER_H_