PART1: Initiated the SignedSettings refactoring.

chrome/browser/chromeos/login/authenticator.h

 // Copyright (c) 2011 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_CHROMEOS_LOGIN_AUTHENTICATOR_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_AUTHENTICATOR_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
@@ skipping 13 matching lines @@
 class Authenticator : public base::RefCountedThreadSafe<Authenticator> {
  public:
   // A domain which requires special-case parsing in canonicalization.
   static const char kSpecialCaseDomain[];
 
   explicit Authenticator(LoginStatusConsumer* consumer);
   virtual ~Authenticator();
 
   // Given externally authenticated |username| and |password|, this method
   // attempts to complete authentication process.
-  // Returns true if the attempt gets sent successfully and false if not.
-  virtual bool CompleteLogin(Profile* profile,
+  virtual void CompleteLogin(Profile* profile,
                              const std::string& username,
                              const std::string& password) = 0;
 
   // Given a |username| and |password|, this method attempts to authenticate
   // to login.
   // Optionally |login_token| and |login_captcha| could be provided.
-  // Returns true if we kick off the attempt successfully and false if we can't.
   // Must be called on the UI thread.
-  virtual bool AuthenticateToLogin(Profile* profile,
+  virtual void AuthenticateToLogin(Profile* profile,
                                    const std::string& username,
                                    const std::string& password,
                                    const std::string& login_token,
                                    const std::string& login_captcha) = 0;
 
   // Given a |username| and |password|, this method attempts to
   // authenticate to unlock the computer.
   // Returns true if we kick off the attempt successfully and false if
   // we can't. Must be called on the UI thread.
   virtual bool AuthenticateToUnlock(const std::string& username,
@@ skipping 64 matching lines @@
   LoginStatusConsumer* consumer_;
   Profile* authentication_profile_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(Authenticator);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_AUTHENTICATOR_H_