Merge branch '5.0'

* 5.0: Made the constant private Update form_login_setup.rst

Author: javiereguiluz

security/form_login_setup.rst

@@ -192,6 +192,8 @@ a traditional HTML form that submits to ``/login``:
  {
  use TargetPathTrait;
 
+ private const LOGIN_ROUTE = 'app_login';
+
  private $entityManager;
  private $urlGenerator;
  private $csrfTokenManager;
@@ -207,7 +209,7 @@ a traditional HTML form that submits to ``/login``:
 
  public function supports(Request $request)
  {
- return 'app_login' === $request->attributes->get('_route')
+ return self::LOGIN_ROUTE === $request->attributes->get('_route')
  && $request->isMethod('POST');
  }
 
@@ -260,7 +262,7 @@ a traditional HTML form that submits to ``/login``:
 
  protected function getLoginUrl()
  {
- return $this->urlGenerator->generate('app_login');
+ return $this->urlGenerator->generate(self::LOGIN_ROUTE);
  }
  }