Always fire refresh tokens loaded on ChromeOS.

chrome/browser/chromeos/login/signin/oauth2_login_manager.h

Index: chrome/browser/chromeos/login/signin/oauth2_login_manager.h
diff --git a/chrome/browser/chromeos/login/signin/oauth2_login_manager.h b/chrome/browser/chromeos/login/signin/oauth2_login_manager.h
index 184a2e542c2e84635d8c986819a9f26cdfd0a847..371781c3dd08a022f12e3a7f5397661ea718d071 100644
--- a/chrome/browser/chromeos/login/signin/oauth2_login_manager.h
+++ b/chrome/browser/chromeos/login/signin/oauth2_login_manager.h
@@ -190,6 +190,9 @@ class OAuth2LoginManager : public KeyedService,
   // Update the token service and inform listeners of a new refresh token.
   void UpdateCredentials(const std::string& account_id);
 
+  // Notify that the refresh tokens are loaded and ready to use.
+  void FireRefreshTokensLoaded();
+
   // Attempts to fetch OAuth2 tokens by using pre-authenticated cookie jar from
   // provided |auth_profile|.
   void FetchOAuth2Tokens();