cros: Refactor of BaseScreen::GetName to BaseScreen::screen_id.

chrome/browser/chromeos/login/screens/update_model.cc

Index: chrome/browser/chromeos/login/screens/update_model.cc
diff --git a/chrome/browser/chromeos/login/screens/update_model.cc b/chrome/browser/chromeos/login/screens/update_model.cc
index d8f2be49fa2f8b6dd32414be1e3d0479d18bdae5..61d21e2874db7b96f1bffc6cefabe4ec532b435e 100644
--- a/chrome/browser/chromeos/login/screens/update_model.cc
+++ b/chrome/browser/chromeos/login/screens/update_model.cc
@@ -20,14 +20,8 @@ const char UpdateModel::kContextKeyCancelUpdateShortcutEnabled[] =
     "cancel-update-enabled";
 
 UpdateModel::UpdateModel(BaseScreenDelegate* base_screen_delegate)
-    : BaseScreen(base_screen_delegate) {
-}
+    : BaseScreen(base_screen_delegate, WizardController::kUpdateScreenName) {}
 
-UpdateModel::~UpdateModel() {
-}
-
-std::string UpdateModel::GetName() const {
-  return WizardController::kUpdateScreenName;
-}
+UpdateModel::~UpdateModel() {}
 
 }  // namespace chromeos