Refactor the code that creates the list of secondary accounts

chrome/browser/profiles/profiles_state.h

 // Copyright 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_PROFILES_PROFILES_STATE_H_
 #define CHROME_BROWSER_PROFILES_PROFILES_STATE_H_
 
+#include <vector>
 #include "base/strings/string16.h"
 
 class Browser;
 class PrefRegistrySimple;
 class Profile;
 namespace base { class FilePath; }
 
 namespace profiles {
 
 // Checks if multiple profiles is enabled.
@@ skipping 10 matching lines @@
 void RegisterPrefs(PrefRegistrySimple* registry);
 
 // Returns the display name of the active on-the-record profile (or guest).
 base::string16 GetActiveProfileDisplayName(Browser* browser);
 
 // Update the name of |profile| to |new_profile_name|. This updates the
 // profile preferences, which triggers an update in the ProfileInfoCache.
 void UpdateProfileName(Profile* profile,
                        const base::string16& new_profile_name);
 
+// Returns the list of secondary accounts for a specific |profile|, which is
+// all the accounts associated with the profile that are not equal to
+// the |primary_account|.
+std::vector<std::string> GetSecondaryAccountsForProfile(
+    Profile* profile, const std::string& primary_account);
+
 }  // namespace profiles
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILES_STATE_H_