diff --git a/core/lib/Drupal/Core/Access/RouteProcessorCsrf.php b/core/lib/Drupal/Core/Access/RouteProcessorCsrf.php
index 183c2a2..200b5ff 100644
--- a/core/lib/Drupal/Core/Access/RouteProcessorCsrf.php
+++ b/core/lib/Drupal/Core/Access/RouteProcessorCsrf.php
@@ -37,7 +37,7 @@ function __construct(CsrfTokenGenerator $csrf_token) {
   /**
    * {@inheritdoc}
    */
-  public function processOutbound(Route $route, array &$parameters) {
+  public function processOutbound(Route $route, array &$parameters, $route_name) {
     if ($route->hasRequirement('_csrf_token')) {
       $path = ltrim($route->getPath(), '/');
       // Replace the path parameters with values from the parameters array.
diff --git a/core/lib/Drupal/Core/RouteProcessor/OutboundRouteProcessorInterface.php b/core/lib/Drupal/Core/RouteProcessor/OutboundRouteProcessorInterface.php
index c9bda24..3a0ea61 100644
--- a/core/lib/Drupal/Core/RouteProcessor/OutboundRouteProcessorInterface.php
+++ b/core/lib/Drupal/Core/RouteProcessor/OutboundRouteProcessorInterface.php
@@ -19,14 +19,15 @@
    *
    * @param \Symfony\Component\Routing\Route $route
    *   The outbound route to process.
-   *
    * @param array $parameters
    *   An array of parameters to be passed to the route compiler. Passed by
    *   reference.
+   * @param string $route_name
+   *   The route machine name.
    *
    * @return
    *   The processed path.
    */
-  public function processOutbound(Route $route, array &$parameters);
+  public function processOutbound(Route $route, array &$parameters, $route_name);
 
 }
diff --git a/core/lib/Drupal/Core/RouteProcessor/RouteProcessorManager.php b/core/lib/Drupal/Core/RouteProcessor/RouteProcessorManager.php
index 3dc8864..100e676 100644
--- a/core/lib/Drupal/Core/RouteProcessor/RouteProcessorManager.php
+++ b/core/lib/Drupal/Core/RouteProcessor/RouteProcessorManager.php
@@ -50,10 +50,10 @@ public function addOutbound(OutboundRouteProcessorInterface $processor, $priorit
   /**
    * {@inheritdoc}
    */
-  public function processOutbound(Route $route, array &$parameters) {
+  public function processOutbound(Route $route, array &$parameters, $route_name) {
     $processors = $this->getOutbound();
     foreach ($processors as $processor) {
-      $processor->processOutbound($route, $parameters);
+      $processor->processOutbound($route, $parameters, $route_name);
     }
   }
 
diff --git a/core/lib/Drupal/Core/Routing/UrlGenerator.php b/core/lib/Drupal/Core/Routing/UrlGenerator.php
index 7028101..b5d3100 100644
--- a/core/lib/Drupal/Core/Routing/UrlGenerator.php
+++ b/core/lib/Drupal/Core/Routing/UrlGenerator.php
@@ -182,7 +182,7 @@ public function generate($name, $parameters = array(), $absolute = FALSE) {
   public function generateFromRoute($name, $parameters = array(), $options = array()) {
     $absolute = !empty($options['absolute']);
     $route = $this->getRoute($name);
-    $this->processRoute($route, $parameters);
+    $this->processRoute($route, $parameters, $name);
 
     // Symfony adds any parameters that are not path slugs as query strings.
     if (isset($options['query']) && is_array($options['query'])) {
@@ -361,12 +361,13 @@ protected function processPath($path, &$options = array()) {
    *
    * @param \Symfony\Component\Routing\Route $route
    *   The route object to process.
-   *
    * @param array $parameters
    *   An array of parameters to be passed to the route compiler.
+   * @param string $route_name
+   *   The route machine name.
    */
-  protected function processRoute(SymfonyRoute $route, array &$parameters) {
-    $this->routeProcessor->processOutbound($route, $parameters);
+  protected function processRoute(SymfonyRoute $route, array &$parameters, $route_name) {
+    $this->routeProcessor->processOutbound($route, $parameters, $route_name);
   }
 
   /**
diff --git a/core/tests/Drupal/Tests/Core/Access/RouteProcessorCsrfTest.php b/core/tests/Drupal/Tests/Core/Access/RouteProcessorCsrfTest.php
index 3cf0803..f0a6a23 100644
--- a/core/tests/Drupal/Tests/Core/Access/RouteProcessorCsrfTest.php
+++ b/core/tests/Drupal/Tests/Core/Access/RouteProcessorCsrfTest.php
@@ -61,7 +61,7 @@ public function testProcessOutboundNoRequirement() {
     $route = new Route('/test-path');
     $parameters = array();
 
-    $this->processor->processOutbound($route, $parameters);
+    $this->processor->processOutbound($route, $parameters, '');
     // No parameters should be added to the parameters array.
     $this->assertEmpty($parameters);
   }
@@ -79,7 +79,7 @@ public function testProcessOutbound() {
     $route = new Route('/test-path', array(), array('_csrf_token' => 'TRUE'));
     $parameters = array();
 
-    $this->processor->processOutbound($route, $parameters);
+    $this->processor->processOutbound($route, $parameters, '');
     // 'token' should be added to the parameters array.
     $this->assertArrayHasKey('token', $parameters);
     $this->assertSame($parameters['token'], 'test_token');
@@ -97,7 +97,7 @@ public function testProcessOutboundDynamicOne() {
     $route = new Route('/test-path/{slug}', array(), array('_csrf_token' => 'TRUE'));
     $parameters = array('slug' => 100);
 
-    $this->assertNull($this->processor->processOutbound($route, $parameters));
+    $this->assertNull($this->processor->processOutbound($route, $parameters, ''));
   }
 
   /**
@@ -112,7 +112,7 @@ public function testProcessOutboundDynamicTwo() {
     $route = new Route('{slug_1}/test-path/{slug_2}', array(), array('_csrf_token' => 'TRUE'));
     $parameters = array('slug_1' => 100, 'slug_2' => 'test');
 
-    $this->assertNull($this->processor->processOutbound($route, $parameters));
+    $this->assertNull($this->processor->processOutbound($route, $parameters, ''));
   }
 
 }
diff --git a/core/tests/Drupal/Tests/Core/RouteProcessor/RouteProcessorManagerTest.php b/core/tests/Drupal/Tests/Core/RouteProcessor/RouteProcessorManagerTest.php
index 6d23ca6..d768052 100644
--- a/core/tests/Drupal/Tests/Core/RouteProcessor/RouteProcessorManagerTest.php
+++ b/core/tests/Drupal/Tests/Core/RouteProcessor/RouteProcessorManagerTest.php
@@ -58,7 +58,7 @@ public function testRouteProcessorManager() {
       $this->processorManager->addOutbound($processor, $priority);
     }
 
-    $this->processorManager->processOutbound($route, $parameters);
+    $this->processorManager->processOutbound($route, $parameters, '');
   }
 
   /**