Revert "trash: Don't use try_ for blocking methods"
Revert "trash: Don't use try_ for blocking methods"

This reverts commit 052682c8a22bf8d7c86fb0f086a119dd7fec4c6b.

This may have caused a race condition causing failed assertions; since
it is not important, revert for now.

https://bugzilla.gnome.org/show_bug.cgi?id=723305

gicmo/gvfs,gicmo/gvfs,gicmo/gvfs,gicmo/gvfs