[cros] Cleanup login auth stack: remove ClientLogin legacy code

chrome/browser/chromeos/login/authenticator.h

Index: chrome/browser/chromeos/login/authenticator.h
diff --git a/chrome/browser/chromeos/login/authenticator.h b/chrome/browser/chromeos/login/authenticator.h
index bc924ce1e87f37e8147cdae8c0bf6646cac488d0..7fce86e94f27e10c33f8cb1509e254d69604e275 100644
--- a/chrome/browser/chromeos/login/authenticator.h
+++ b/chrome/browser/chromeos/login/authenticator.h
@@ -35,12 +35,9 @@ class Authenticator : public base::RefCountedThreadSafe<Authenticator> {
 
   // Given a user credentials in |user_context|,
   // this method attempts to authenticate to login.
-  // Optionally |login_token| and |login_captcha| could be provided.
   // Must be called on the UI thread.
   virtual void AuthenticateToLogin(Profile* profile,
-                                   const UserContext& user_context,
-                                   const std::string& login_token,
-                                   const std::string& login_captcha) = 0;
+                                   const UserContext& user_context) = 0;
 
   // Given a user credentials in |user_context|, this method attempts to
   // authenticate to unlock the computer.
@@ -87,12 +84,6 @@ class Authenticator : public base::RefCountedThreadSafe<Authenticator> {
   // and create a new cryptohome.
   virtual void ResyncEncryptedData() = 0;
 
-  // Attempt to authenticate online again.
-  virtual void RetryAuth(Profile* profile,
-                         const UserContext& user_context,
-                         const std::string& login_token,
-                         const std::string& login_captcha) = 0;
-
   // Profile (usually off the record ) that was used to perform the last
   // authentication process.
   Profile* authentication_profile() { return authentication_profile_; }