Remove signin and persist from gaia_authenticator.

chrome/browser/sync/engine/auth_watcher.h

 // Copyright (c) 2006-2009 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.
 //
 // AuthWatcher watches authentication events and user open and close
 // events and accordingly opens and closes shares.
 
 #ifndef CHROME_BROWSER_SYNC_ENGINE_AUTH_WATCHER_H_
 #define CHROME_BROWSER_SYNC_ENGINE_AUTH_WATCHER_H_
 
@@ skipping 93 matching lines @@
     return channel_.get();
   }
 
   // The following 3 flavors of authentication routines are asynchronous and can
   // be called from any thread.
   // If |captcha_value| is specified but |captcha_token| is not, this will
   // attempt authentication using the last observed captcha token out of
   // convenience in the common case so the token doesn't have to be plumbed
   // everywhere.
   void Authenticate(const std::string& email, const std::string& password,
-      const std::string& captcha_token, const std::string& captcha_value,
-      bool persist_creds_to_disk);
+      const std::string& captcha_token, const std::string& captcha_value);
 
   void Authenticate(const std::string& email, const std::string& password,
       bool persist_creds_to_disk) {
-    Authenticate(email, password, "", "", persist_creds_to_disk);
+    Authenticate(email, password, "", "");
   }
 
   // Use this to update only the token of the current email address.
   void RenewAuthToken(const std::string& updated_token);
   void DoRenewAuthToken(const std::string& updated_token);
 
   // Use this version when you don't need the gaia authentication step because
   // you already have a valid LSID cookie for |gaia_email|.
   void AuthenticateWithLsid(const std::string& lsid);
 
@@ skipping 13 matching lines @@
   UserSettings* settings() const { return user_settings_; }
   Status status() const { return (Status)status_; }
 
  protected:
   void ClearAuthenticationData();
 
   void NotifyAuthSucceeded(const std::string& email);
   void HandleServerConnectionEvent(const ServerConnectionEvent& event);
 
   void SaveUserSettings(const std::string& username,
-                        const std::string& auth_token,
-                        const bool save_credentials);
+                        const std::string& auth_token);
 
   MessageLoop* message_loop() { return auth_backend_thread_.message_loop(); }
 
  private:
   // These two helpers should only be called from the auth function.
   // Called when authentication with gaia succeeds, to save credential info.
   void PersistCredentials();
   // Called when authentication with gaia fails.
   void ProcessGaiaAuthFailure();
 
@@ skipping 53 matching lines @@
 
   base::Thread auth_backend_thread_;
 
   AuthWatcherEvent::AuthenticationTrigger current_attempt_trigger_;
   DISALLOW_COPY_AND_ASSIGN(AuthWatcher);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_ENGINE_AUTH_WATCHER_H_