Prevent automation from reporting login WebUI ready prematurely

One of the notifications telling the automation provider that the login
WebUI is ready might actually occur in a transient phase while the
browser is starting up and no network has been detected quite yet.

BUG=chromium-os:31067
TEST=Chrome builds, functional tests run


Review URL: https://chromiumcodereview.appspot.com/10412005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@137959 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/automation/automation_provider_observers_chromeos.cc

@@ -54,8 +54,6 @@ LoginWebuiReadyObserver::LoginWebuiReadyObserver(AutomationProvider* automation)
                  content::NotificationService::AllSources());
   registrar_.Add(this, chrome::NOTIFICATION_LOGIN_USER_IMAGES_LOADED,
                  content::NotificationService::AllSources());
-  registrar_.Add(this, chrome::NOTIFICATION_LOGIN_NETWORK_ERROR_SHOWN,
-                 content::NotificationService::AllSources());
   registrar_.Add(this, chrome::NOTIFICATION_WIZARD_FIRST_SCREEN_SHOWN,
                  content::NotificationService::AllSources());
 }
@@ -66,7 +64,6 @@ void LoginWebuiReadyObserver::Observe(
     const content::NotificationDetails& details) {
   DCHECK(type == chrome::NOTIFICATION_LOGIN_WEBUI_READY ||
          type == chrome::NOTIFICATION_LOGIN_USER_IMAGES_LOADED ||
-         type == chrome::NOTIFICATION_LOGIN_NETWORK_ERROR_SHOWN ||
          type == chrome::NOTIFICATION_WIZARD_FIRST_SCREEN_SHOWN);
   if (automation_)
     automation_->OnLoginWebuiReady();