[ChromeOS] Fix login wrong password handling.

chrome/browser/chromeos/login/parallel_authenticator.h

Index: chrome/browser/chromeos/login/parallel_authenticator.h
diff --git a/chrome/browser/chromeos/login/parallel_authenticator.h b/chrome/browser/chromeos/login/parallel_authenticator.h
index 77afcbf007bd414760b66e7c4f7b8bdfd59ccfc3..ab230e0dc0f6b95ca8f4714aec61655d7a46c766 100644
--- a/chrome/browser/chromeos/login/parallel_authenticator.h
+++ b/chrome/browser/chromeos/login/parallel_authenticator.h
@@ -206,6 +206,11 @@ class ParallelAuthenticator : public Authenticator,
     current_state_.reset(new_state);
   }
 
+  // Sets an online attemp for testing.
+  void set_online_attempt(OnlineAttempt* attempt) {
+    current_online_ = attempt;
+  }
+
   // Resets |current_state_| and then posts a task to the UI thread to
   // Initiate() |to_initiate|.
   // Call this method on the IO thread.