Refactor the code that creates the list of secondary accounts

chrome/browser/profiles/profiles_state.cc

 // 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.
 
 #include "chrome/browser/profiles/profiles_state.h"
 
 #include "base/files/file_path.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/browser/signin/profile_oauth2_token_service.h"
+#include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/pref_names.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/login/user_manager.h"
 #endif
 
@@ skipping 69 matching lines @@
 
     // Changing the profile name can invalidate the profile index.
     profile_index = cache.GetIndexOfProfileWithPath(profile_file_path);
     if (profile_index == std::string::npos)
       return;
 
     cache.SetIsUsingGAIANameOfProfileAtIndex(profile_index, false);
   }
 }
 
+std::vector<std::string> GetSecondaryAccountsForProfile(
+    Profile* profile,
+    const std::string& primary_account) {
+  std::vector<std::string> accounts =
+      ProfileOAuth2TokenServiceFactory::GetForProfile(profile)->GetAccounts();
+
+  // The vector returned by ProfileOAuth2TokenService::GetAccounts() contains
+  // the primary account too, so we need to remove it from the list.
+  std::vector<std::string>::iterator primary_index =
+      std::find_if(accounts.begin(), accounts.end(),
+                   std::bind1st(std::equal_to<std::string>(), primary_account));
+  DCHECK(primary_index != accounts.end());
+  accounts.erase(primary_index);
+
+  return accounts;
+}
+
 }  // namespace profiles