Prevent IME menu being empty when focus out
Prevent IME menu being empty when focus out

Previously ibus-daemon did not make fake_context focused when focus-out, while it is supposed to do.

BUG=none

Review URL: https://codereview.appspot.com/6492086

Keruspe/ibus,fujiwarat/ibus,j717273419/ibus,ueno/ibus,ueno/ibus,ueno/ibus,fujiwarat/ibus,ueno/ibus,fujiwarat/ibus,j717273419/ibus,ibus/ibus,ibus/ibus,fujiwarat/ibus,ibus/ibus,j717273419/ibus,Keruspe/ibus,Keruspe/ibus,Keruspe/ibus,j717273419/ibus,ueno/ibus,ibus/ibus