: added search and added missing dependency.
: added search and added missing dependency.

Change-Id: Idba094792a540c1cf2c2e47bc3f2353c12424f8d
Reviewed-on: https://go-review.googlesource.com/11994
Reviewed-by: Nigel Tao <58ae08b3356928ff9c67562b4719487d54fe8348@golang.org>

npchp110/text,cmars/tools,golang/text,cmars/tools,cmars/tools,cmars/tools