Convert multi-profile user behavior string to enum and send it to UI.

chrome/browser/chromeos/login/users/multi_profile_user_controller.cc

 // Copyright 2014 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.
 
 #include "chrome/browser/chromeos/login/users/multi_profile_user_controller.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
@@ skipping 109 matching lines @@
 
   // No user is allowed if the primary user policy forbids it.
   const std::string behavior = profile->GetPrefs()->GetString(
       prefs::kMultiProfileUserBehavior);
   if (behavior == kBehaviorNotAllowed)
     return NOT_ALLOWED_PRIMARY_USER_POLICY_FORBIDS;
 
   return ALLOWED;
 }
 
+// static
+MultiProfileUserController::MultiProfileUserBehavior
+MultiProfileUserController::UserBehaviorStringToEnum(
+    const std::string& behavior) {
+  if (behavior == kBehaviorPrimaryOnly)
+    return MultiProfileUserBehavior::kPrimaryOnly;
+  if (behavior == kBehaviorNotAllowed)
+    return MultiProfileUserBehavior::kNotAllowed;
+  if (behavior == kBehaviorOwnerPrimaryOnly)
+    return MultiProfileUserBehavior::kOwnerPrimaryOnly;
+
+  return MultiProfileUserBehavior::kUnrestriced;
+}
+
 bool MultiProfileUserController::IsUserAllowedInSession(
     const std::string& user_email,
     MultiProfileUserController::UserAllowedInSessionReason* reason) const {
   user_manager::UserManager* user_manager = user_manager::UserManager::Get();
   CHECK(user_manager);
 
   const user_manager::User* primary_user = user_manager->GetPrimaryUser();
   std::string primary_user_email;
   if (primary_user)
     primary_user_email = primary_user->GetAccountId().GetUserEmail();
@@ skipping 94 matching lines @@
   } else {
     const std::string behavior =
         prefs->GetString(prefs::kMultiProfileUserBehavior);
     SetCachedValue(user_email, behavior);
   }
 
   CheckSessionUsers();
 }
 
 }  // namespace chromeos