Refactor the code that creates the list of secondary accounts

chrome/browser/profiles/profiles_state.cc

Index: chrome/browser/profiles/profiles_state.cc
diff --git a/chrome/browser/profiles/profiles_state.cc b/chrome/browser/profiles/profiles_state.cc
index 62be3add6d38f38d49c4cbac7e14bf0eda86dec8..961fe6d941a988d8b5cf0fe47a7a78f5b55aff0f 100644
--- a/chrome/browser/profiles/profiles_state.cc
+++ b/chrome/browser/profiles/profiles_state.cc
@@ -12,6 +12,8 @@
 #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"
@@ -101,4 +103,21 @@ void UpdateProfileName(Profile* profile,
   }
 }
 
+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