Bug 1067888 - Add autocomplete result type for searching via current search engine. r=mak

--HG--
rename : toolkit/components/places/tests/unifiedcomplete/test_searchEngine.js => toolkit/components/places/tests/unifiedcomplete/test_searchEngine_restyle.js
extra : transplant_source : t%CE%24%5D%2C%FF%18%CF%F5%21%BC%D0%C4%B9%EB%FD%06%F4%DB%BE