Add a set passphrase dialog for managed user accounts.

chrome/browser/managed_mode/managed_user_service.h

Index: chrome/browser/managed_mode/managed_user_service.h
diff --git a/chrome/browser/managed_mode/managed_user_service.h b/chrome/browser/managed_mode/managed_user_service.h
index 7120eee9d75d1b9bcc75c771395216439882d823..87be140b6f2f9b558a052d17f674cc3be6ea2bbe 100644
--- a/chrome/browser/managed_mode/managed_user_service.h
+++ b/chrome/browser/managed_mode/managed_user_service.h
@@ -40,6 +40,8 @@ class ManagedUserService : public ProfileKeyedService,
 
   bool ProfileIsManaged() const;
 
+  bool IsElevated() const;
+
   static void RegisterUserPrefs(PrefServiceSyncable* prefs);
 
   // Returns the URL filter for the IO thread, for filtering network requests
@@ -76,7 +78,7 @@ class ManagedUserService : public ProfileKeyedService,
   void SetManualBehaviorForURLs(const std::vector<GURL>& url,
                                 ManualBehavior behavior);
 
-  void SetElevatedForTesting(bool is_elevated);
+  void SetElevated(bool is_elevated);
 
   // Initializes this object. This method does nothing if the profile is not
   // managed. This method only needs to be called if the profile is set to be