Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/symfony/validator/Context/ExecutionContextFactory.php

@@ -0,0 +1,65 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Validator\Context;
+
+use Symfony\Component\Translation\TranslatorInterface;
+use Symfony\Component\Validator\Validator\ValidatorInterface;
+
+/**
+ * Creates new {@link ExecutionContext} instances.
+ *
+ * @since  2.5
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ *
+ * @internal You should not instantiate or use this class. Code against
+ *           {@link ExecutionContextFactoryInterface} instead.
+ */
+class ExecutionContextFactory implements ExecutionContextFactoryInterface
+{
+    /**
+     * @var TranslatorInterface
+     */
+    private $translator;
+
+    /**
+     * @var string|null
+     */
+    private $translationDomain;
+
+    /**
+     * Creates a new context factory.
+     *
+     * @param TranslatorInterface $translator        The translator
+     * @param string|null         $translationDomain The translation domain to
+     *                                               use for translating
+     *                                               violation messages
+     */
+    public function __construct(TranslatorInterface $translator, $translationDomain = null)
+    {
+        $this->translator = $translator;
+        $this->translationDomain = $translationDomain;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function createContext(ValidatorInterface $validator, $root)
+    {
+        return new ExecutionContext(
+            $validator,
+            $root,
+            $this->translator,
+            $this->translationDomain
+        );
+    }
+}