[PATCH 4 of 4] bookmarks: cache reverse mapping (issue5868)

[Augie Fackler]

> On May 5, 2018, at 10:53 PM, Yuya Nishihara <yuya at tcha.org> wrote:
> 
> # HG changeset patch
> # User Yuya Nishihara <yuya at tcha.org>
> # Date 1525488162 -32400
> #      Sat May 05 11:42:42 2018 +0900
> # Node ID 9ae8a72dec358d33c96725e1f94c631e869deb80
> # Parent  f8b12218af5c8d09da0965d631ad6a19fc9df3de
> bookmarks: cache reverse mapping (issue5868)

queued, thanks