/usr/share/php/Symfony/Component/ is in php-symfony-templating 2.7.10-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Symfony/Component/Templating/
/usr/share/php/Symfony/Component/Templating/Asset/
/usr/share/php/Symfony/Component/Templating/Asset/Package.php
/usr/share/php/Symfony/Component/Templating/Asset/PackageInterface.php
/usr/share/php/Symfony/Component/Templating/Asset/PathPackage.php
/usr/share/php/Symfony/Component/Templating/Asset/UrlPackage.php
/usr/share/php/Symfony/Component/Templating/DebuggerInterface.php
/usr/share/php/Symfony/Component/Templating/DelegatingEngine.php
/usr/share/php/Symfony/Component/Templating/EngineInterface.php
/usr/share/php/Symfony/Component/Templating/Helper/
/usr/share/php/Symfony/Component/Templating/Helper/AssetsHelper.php
/usr/share/php/Symfony/Component/Templating/Helper/CoreAssetsHelper.php
/usr/share/php/Symfony/Component/Templating/Helper/Helper.php
/usr/share/php/Symfony/Component/Templating/Helper/HelperInterface.php
/usr/share/php/Symfony/Component/Templating/Helper/SlotsHelper.php
/usr/share/php/Symfony/Component/Templating/Loader/
/usr/share/php/Symfony/Component/Templating/Loader/CacheLoader.php
/usr/share/php/Symfony/Component/Templating/Loader/ChainLoader.php
/usr/share/php/Symfony/Component/Templating/Loader/FilesystemLoader.php
/usr/share/php/Symfony/Component/Templating/Loader/Loader.php
/usr/share/php/Symfony/Component/Templating/Loader/LoaderInterface.php
/usr/share/php/Symfony/Component/Templating/PhpEngine.php
/usr/share/php/Symfony/Component/Templating/Storage/
/usr/share/php/Symfony/Component/Templating/Storage/FileStorage.php
/usr/share/php/Symfony/Component/Templating/Storage/Storage.php
/usr/share/php/Symfony/Component/Templating/Storage/StringStorage.php
/usr/share/php/Symfony/Component/Templating/StreamingEngineInterface.php
/usr/share/php/Symfony/Component/Templating/TemplateNameParser.php
/usr/share/php/Symfony/Component/Templating/TemplateNameParserInterface.php
/usr/share/php/Symfony/Component/Templating/TemplateReference.php
/usr/share/php/Symfony/Component/Templating/TemplateReferenceInterface.php
/usr/share/php/Symfony/Component/Templating/autoload.php