* don't do a regexp-search when doing search-in-page.   this actually fixes #64261 when searching for "\", and   the not-yet-discovered bug that we were doing regexp searches.
* don't do a regexp-search when doing search-in-page.
  this actually fixes #64261 when searching for "\", and
  the not-yet-discovered bug that we were doing regexp searches.

the crashing bug is actually in gtkhtml, will move the bug
  there.

pmo-trunk-r2791

community-ssu/modest,community-ssu/modest,community-ssu/modest,community-ssu/modest