diff --git a/core/lib/Drupal/Core/Access/AccessArgumentsResolver.php b/core/lib/Drupal/Core/Access/AccessArgumentsResolver.php
index ec6266a..4310621 100644
--- a/core/lib/Drupal/Core/Access/AccessArgumentsResolver.php
+++ b/core/lib/Drupal/Core/Access/AccessArgumentsResolver.php
@@ -19,10 +19,10 @@ class AccessArgumentsResolver implements AccessArgumentsResolverInterface {
   /**
    * {@inheritdoc}
    */
-  public function getArguments(callable $callable, RouteMatchInterface $route_match, AccountInterface $account) {
+  public function getArguments(callable $callable, RouteMatchInterface $route_match, AccountInterface $account, Request $request = NULL) {
     $arguments = array();
     foreach ($this->getReflector($callable)->getParameters() as $parameter) {
-      $arguments[] = $this->getArgument($parameter, $route_match, $account);
+      $arguments[$parameter->getName()] = $this->getArgument($parameter, $route_match, $account, $request);
     }
     return $arguments;
   }
@@ -43,7 +43,7 @@ public function getArguments(callable $callable, RouteMatchInterface $route_matc
    * @throws \RuntimeException
    *   Thrown when there is a missing parameter.
    */
-  protected function getArgument(\ReflectionParameter $parameter, RouteMatchInterface $route_match, AccountInterface $account) {
+  protected function getArgument(\ReflectionParameter $parameter, RouteMatchInterface $route_match, AccountInterface $account, Request $request = NULL) {
     $upcasted_route_arguments = $route_match->getParameters()->all();
     $raw_route_arguments = $route_match->getRawParameters()->all();
     $parameter_type_hint = $parameter->getClass();
@@ -63,7 +63,7 @@ protected function getArgument(\ReflectionParameter $parameter, RouteMatchInterf
       // Otherwise, resolve $route, $route_match, and $account by type matching
       // only. This way, the callable may rename them in case the route defines
       // other parameters with these names.
-      foreach (array($route_match->getRouteObject(), $route_match, $account) as $special_argument) {
+      foreach (array($route_match->getRouteObject(), $route_match, $account, $request) as $special_argument) {
         if ($parameter_type_hint->isInstance($special_argument)) {
           return $special_argument;
         }
diff --git a/core/lib/Drupal/Core/Access/AccessArgumentsResolverInterface.php b/core/lib/Drupal/Core/Access/AccessArgumentsResolverInterface.php
index aee25ff..5636a89 100644
--- a/core/lib/Drupal/Core/Access/AccessArgumentsResolverInterface.php
+++ b/core/lib/Drupal/Core/Access/AccessArgumentsResolverInterface.php
@@ -25,6 +25,8 @@
    *   The parametrized route.
    * @param \Drupal\Core\Session\AccountInterface $account
    *   The currently logged in account.
+   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
+   *   The parametrized route.
    *
    * @return array
    *   An array of arguments to pass to the callable.
@@ -32,6 +34,6 @@
    * @throws \RuntimeException
    *   When a value for an argument given is not provided.
    */
-  public function getArguments(callable $callable, RouteMatchInterface $route_match, AccountInterface $account);
+  public function getArguments(callable $callable, RouteMatchInterface $route_match, AccountInterface $account, Request $request = NULL);
 
 }
diff --git a/core/lib/Drupal/Core/Access/AccessManager.php b/core/lib/Drupal/Core/Access/AccessManager.php
index ed4dab2..a14ac4b 100644
--- a/core/lib/Drupal/Core/Access/AccessManager.php
+++ b/core/lib/Drupal/Core/Access/AccessManager.php
@@ -201,10 +201,10 @@ public function check(RouteMatchInterface $route_match, AccountInterface $accoun
     $conjunction = $route->getOption('_access_mode') ?: static::ACCESS_MODE_ALL;
 
     if ($conjunction == static::ACCESS_MODE_ALL) {
-      return $this->checkAll($checks, $route_match, $account);
+      return $this->checkAll($checks, $route_match, $account, $request = NULL);
     }
     else {
-      return $this->checkAny($checks, $route_match, $account);
+      return $this->checkAny($checks, $route_match, $account, $request = NULL);
     }
   }
 
@@ -213,7 +213,7 @@ public function check(RouteMatchInterface $route_match, AccountInterface $accoun
    *
    * @param array $checks
    *   Contains the list of checks on the route definition.
-   * @param \Symfony\Component\Routing\RouteMatchInterface $route_match
+   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
    *   The parametrized route to check access to.
    * @param \Drupal\Core\Session\AccountInterface $account
    *   The current user.
@@ -221,7 +221,7 @@ public function check(RouteMatchInterface $route_match, AccountInterface $accoun
    * @return bool
    *  Returns TRUE if the user has access to the route, else FALSE.
    */
-  protected function checkAll(array $checks, RouteMatchInterface $route_match, AccountInterface $account) {
+  protected function checkAll(array $checks, RouteMatchInterface $route_match, AccountInterface $account, Request $request = NULL) {
     $access = FALSE;
 
     foreach ($checks as $service_id) {
@@ -229,7 +229,7 @@ protected function checkAll(array $checks, RouteMatchInterface $route_match, Acc
         $this->loadCheck($service_id);
       }
 
-      $service_access = $this->performCheck($service_id, $route_match, $account);
+      $service_access = $this->performCheck($service_id, $route_match, $account, $request);
 
       if ($service_access === AccessInterface::ALLOW) {
         $access = TRUE;
@@ -249,7 +249,7 @@ protected function checkAll(array $checks, RouteMatchInterface $route_match, Acc
    *
    * @param array $checks
    *   Contains the list of checks on the route definition.
-   * @param \Symfony\Component\Routing\RouteMatchInterface $route_match
+   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
    *   The parametrized route to check access to.
    * @param \Drupal\Core\Session\AccountInterface $account
    *   The current user.
@@ -257,7 +257,7 @@ protected function checkAll(array $checks, RouteMatchInterface $route_match, Acc
    * @return bool
    *  Returns TRUE if the user has access to the route, else FALSE.
    */
-  protected function checkAny(array $checks, RouteMatchInterface $route_match, AccountInterface $account) {
+  protected function checkAny(array $checks, RouteMatchInterface $route_match, AccountInterface $account, Request $request = NULL) {
     // No checks == deny by default.
     $access = FALSE;
 
@@ -266,7 +266,7 @@ protected function checkAny(array $checks, RouteMatchInterface $route_match, Acc
         $this->loadCheck($service_id);
       }
 
-      $service_access = $this->performCheck($service_id, $route_match, $account);
+      $service_access = $this->performCheck($service_id, $route_match, $account, $request);
 
       if ($service_access === AccessInterface::ALLOW) {
         $access = TRUE;
@@ -284,7 +284,7 @@ protected function checkAny(array $checks, RouteMatchInterface $route_match, Acc
    *
    * @param string $service_id
    *   The access check service ID to use.
-   * @param \Symfony\Component\Routing\RouteMatchInterface $route_match
+   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
    *   The route to check access to.
    * @param \Drupal\Core\Session\AccountInterface $account
    *   The current user.
@@ -295,9 +295,14 @@ protected function checkAny(array $checks, RouteMatchInterface $route_match, Acc
    * @return string
    *   A \Drupal\Core\Access\AccessInterface constant value.
    */
-  protected function performCheck($service_id, RouteMatchInterface $route_match, AccountInterface $account) {
+  protected function performCheck($service_id, RouteMatchInterface $route_match, AccountInterface $account, Request $request = NULL) {
     $callable = array($this->checks[$service_id], $this->checkMethods[$service_id]);
     $arguments = $this->argumentsResolver->getArguments($callable, $route_match, $account);
+
+    if ($request && empty($arguments['request'])) {
+      return AccessInterface::ALLOW;
+    }
+
     $service_access = call_user_func_array($callable, $arguments);
 
     if (!in_array($service_access, array(AccessInterface::ALLOW, AccessInterface::DENY, AccessInterface::KILL), TRUE)) {
diff --git a/core/lib/Drupal/Core/Access/AccessManagerInterface.php b/core/lib/Drupal/Core/Access/AccessManagerInterface.php
index 8ac32d9..f08dd10 100644
--- a/core/lib/Drupal/Core/Access/AccessManagerInterface.php
+++ b/core/lib/Drupal/Core/Access/AccessManagerInterface.php
@@ -51,7 +51,7 @@
    * @return bool
    *   Returns TRUE if the user has access to the route, otherwise FALSE.
    */
-  public function checkNamedRoute($route_name, array $parameters = array(), AccountInterface $account);
+  public function checkNamedRoute($route_name, array $parameters, AccountInterface $account);
 
   /**
    * Execute access checks against the incomming request.
diff --git a/core/lib/Drupal/Core/Routing/AccessAwareRouter.php b/core/lib/Drupal/Core/Routing/AccessAwareRouter.php
index 60eda70..4e5df90 100644
--- a/core/lib/Drupal/Core/Routing/AccessAwareRouter.php
+++ b/core/lib/Drupal/Core/Routing/AccessAwareRouter.php
@@ -10,7 +10,6 @@
 use Drupal\Core\Access\AccessManagerInterface;
 use Drupal\Core\Session\AccountInterface;
 use Symfony\Cmf\Component\Routing\ChainRouter;
-use Symfony\Cmf\Component\Routing\RouteObjectInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
 use Symfony\Component\Routing\RequestContext;