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

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

Index: chrome/browser/chromeos/login/users/multi_profile_user_controller.h
diff --git a/chrome/browser/chromeos/login/users/multi_profile_user_controller.h b/chrome/browser/chromeos/login/users/multi_profile_user_controller.h
index 5baf14ff85c235ff75f12c9dc378cee55f6cd886..c397d56e05aa12a0854e673f12714e8251ce73b4 100644
--- a/chrome/browser/chromeos/login/users/multi_profile_user_controller.h
+++ b/chrome/browser/chromeos/login/users/multi_profile_user_controller.h
@@ -55,6 +55,15 @@ class MultiProfileUserController {
     NOT_ALLOWED_POLICY_FORBIDS
   };
 
+  // Supported user behavior values. Keep in sync with the enum in
+  // md_user_pod_row.js and user_pod_row.js
+  enum class MultiProfileUserBehavior {
+    kUnrestriced,
+    kPrimaryOnly,
+    kNotAllowed,
+    kOwnerPrimaryOnly
+  };
+
   MultiProfileUserController(MultiProfileUserControllerDelegate* delegate,
                              PrefService* local_state);
   ~MultiProfileUserController();
@@ -70,6 +79,10 @@ class MultiProfileUserController {
   // NOT_ALLOWED_PRIMARY_USER_POLICY_FORBIDS)
   static UserAllowedInSessionReason GetPrimaryUserPolicy();
 
+  // Returns the user behavior in MultiProfileUserBehavior enum.
+  static MultiProfileUserBehavior UserBehaviorStringToEnum(
+      const std::string& behavior);
+
   // Returns true if user allowed to be in the current session. If |reason| not
   // null stores UserAllowedInSessionReason enum that describes actual reason.
   bool IsUserAllowedInSession(const std::string& user_email,