Update Composer, update everything

web/core/lib/Drupal.php

@@ -6,8 +6,9 @@
  */
 
 use Drupal\Core\DependencyInjection\ContainerNotInitializedException;
-use Symfony\Component\DependencyInjection\ContainerInterface;
+use Drupal\Core\Messenger\LegacyMessenger;
 use Drupal\Core\Url;
+use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
  * Static Service Container wrapper.
@@ -81,7 +82,7 @@ class Drupal {
   /**
    * The current system version.
    */
-  const VERSION = '8.3.4';
+  const VERSION = '8.6.3';
 
   /**
    * Core API compatibility.
@@ -140,7 +141,6 @@ class Drupal {
     return static::$container !== NULL;
   }
 
-
   /**
    * Retrieves a service from the container.
    *
@@ -229,7 +229,7 @@ class Drupal {
   }
 
   /**
-   * Retrives the request stack.
+   * Retrieves the request stack.
    *
    * @return \Symfony\Component\HttpFoundation\RequestStack
    *   The request stack
@@ -319,10 +319,20 @@ class Drupal {
    * One common usecase is to provide a class which contains the actual code
    * of a hook implementation, without having to create a service.
    *
-   * @return \Drupal\Core\DependencyInjection\ClassResolverInterface
-   *   The class resolver.
+   * @param string $class
+   *   (optional) A class name to instantiate.
+   *
+   * @return \Drupal\Core\DependencyInjection\ClassResolverInterface|object
+   *   The class resolver or if $class is provided, a class instance with a
+   *   given class definition.
+   *
+   * @throws \InvalidArgumentException
+   *   If $class does not exist.
    */
-  public static function classResolver() {
+  public static function classResolver($class = NULL) {
+    if ($class) {
+      return static::getContainer()->get('class_resolver')->getInstanceFromDefinition($class);
+    }
     return static::getContainer()->get('class_resolver');
   }
 
@@ -757,4 +767,16 @@ class Drupal {
     return static::getContainer()->get('datetime.time');
   }
 
+  /**
+   * Returns the messenger.
+   *
+   * @return \Drupal\Core\Messenger\MessengerInterface
+   *   The messenger.
+   */
+  public static function messenger() {
+    // @todo Replace with service once LegacyMessenger is removed in 9.0.0.
+    // @see https://www.drupal.org/node/2928994
+    return new LegacyMessenger();
+  }
+
 }