Providing more information on why certain users can't be added to multi-profile

ash/session/session_state_delegate.h

 // Copyright (c) 2013 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 ASH_SESSION_SESSION_STATE_DELEGATE_H_
 #define ASH_SESSION_SESSION_STATE_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 47 matching lines @@
 
     // Inside user session (including lock screen),
     // no login UI (primary or multi-profiles) is shown.
     SESSION_STATE_ACTIVE,
 
     // When secondary user login UI is shown i.e. other users are
     // already logged in and is currently adding another user to the session.
     SESSION_STATE_LOGIN_SECONDARY,
   };
 
+  enum PrimaryUserPolicy {
+    PRIMARY_USER_POLICY_ALLOW,
+    PRIMARY_USER_POLICY_FORBIDS,
+    PRIMARY_USER_POLICY_CERT_TAINTED,
+  };

[dzhioev (left Google), 2014/08/06 12:37:39]

Why do we need PrimaryUserPolicy enum, if we don't make distinctions in handling
of PRIMARY_USER_POLICY_FORBIDS and PRIMARY_USER_POLICY_CERT_TAINTED? Can we
change method "GetPrimaryUserPolicy" to something like "bool
IsMultiProfileAllowedByPolicy()"?

[Roman Sorokin (ftl), 2014/08/08 09:22:00]

Done.

+
   virtual ~SessionStateDelegate() {};
 
   // Returns the browser context for the user given by |index|.
   virtual content::BrowserContext* GetBrowserContextByIndex(
       MultiProfileIndex index) = 0;
 
   // Returns the browser context associated with the window.
   virtual content::BrowserContext* GetBrowserContextForWindow(
       aura::Window* window) = 0;
 
@@ skipping 49 matching lines @@
   virtual bool ShouldShowAvatar(aura::Window* window) const = 0;
 
   // Switches to another active user with |user_id|
   // (if that user has already signed in).
   virtual void SwitchActiveUser(const std::string& user_id) = 0;
 
   // Switches the active user to the next or previous user, with the same
   // ordering as GetLoggedInUsers.
   virtual void CycleActiveUser(CycleUser cycle_user) = 0;
 
+  // Returns primary user policy.
+  virtual PrimaryUserPolicy GetPrimaryUserPolicy() const = 0;
+
   // Adds or removes sessions state observer.
   virtual void AddSessionStateObserver(SessionStateObserver* observer) = 0;
   virtual void RemoveSessionStateObserver(SessionStateObserver* observer) = 0;
 };
 
 }  // namespace ash
 
 #endif  // ASH_SESSION_SESSION_STATE_DELEGATE_H_