/usr/share/php/Symfony/Bundle/FrameworkBundle/Templating/Helper/ is in php-symfony-framework-bundle 2.7.10-0ubuntu2.
This file is owned by root:root, with mode 0o755.
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/usr/share/php/Symfony/Bundle/FrameworkBundle/Templating/Helper/ActionsHelper.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Templating/Helper/AssetsHelper.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Templating/Helper/CodeHelper.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Templating/Helper/FormHelper.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Templating/Helper/RequestHelper.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Templating/Helper/RouterHelper.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Templating/Helper/SessionHelper.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Templating/Helper/StopwatchHelper.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Templating/Helper/TranslatorHelper.php