Fix Arc integration test.

chrome/browser/chromeos/profiles/profile_helper.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 CHROME_BROWSER_CHROMEOS_PROFILES_PROFILE_HELPER_H_
 #define CHROME_BROWSER_CHROMEOS_PROFILES_PROFILE_HELPER_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 185 matching lines @@
   // primary user.
   static void SetAlwaysReturnPrimaryUserForTesting(bool value);
 
   // Associates |profile| with |user|, for GetProfileByUser() testing.
   void SetUserToProfileMappingForTesting(const user_manager::User* user,
                                          Profile* profile);
 
   // Removes |account_id| user from |user_to_profile_for_testing_| for testing.
   void RemoveUserFromListForTesting(const AccountId& account_id);
 
+  // Clears all test account for testing.
+  void ClearUserToProfileMappingForTesting();
+
   // Identifies path to active user profile on Chrome OS.
   std::string active_user_id_hash_;
 
   // List of callbacks called after signin profile clearance.
   std::vector<base::Closure> on_clear_callbacks_;
 
   // Called when a single stage of profile clearing is finished.
   base::Closure on_clear_profile_stage_finished_;
 
   // A currently running browsing data remover.
@@ skipping 18 matching lines @@
   std::unique_ptr<FileFlusher> profile_flusher_;
 
   base::WeakPtrFactory<ProfileHelper> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileHelper);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_PROFILES_PROFILE_HELPER_H_