Merge pull request #13377 from owncloud/trashbin_storage_wrapper

apps/files_encryption/tests/trashbin.php

apps/files_sharing/tests/share.php

apps/files_sharing/tests/sharedmount.php

apps/files_sharing/tests/sharedstorage.php

apps/files_sharing/tests/updater.php

apps/files_trashbin/lib/hooks.php

apps/files_trashbin/lib/storage.php

apps/files_trashbin/lib/trashbin.php

apps/files_versions/lib/storage.php