[EFL][WK2] Enhance the Minibrowser to show text search count and close search bar.
https://bugs.webkit.org/show_bug.cgi?id=134486

Patch by Shivakumar JM <shiva.jm@samsung.com> on 2014-07-03
Reviewed by Gyuyoung Kim.

Use on_search_close_button_clicked() callback to close search bar and on_search_text_found() callback to show search count.

* MiniBrowser/efl/main.c:
(search_box_show):
(search_box_hide):
(on_search_close_button_clicked):
(on_search_text_found):
(window_create):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@170786 268f45cc-cd09-0410-ab3c-d52691b4dbfc