Fixes bug where can't see contents of autocomplete edit. This was happening because all widgets are initially hidden. NativeViewHostGtk only shows the widget, not descendants.
Fixes bug where can't see contents of autocomplete edit. This was
happening because all widgets are initially hidden. NativeViewHostGtk
only shows the widget, not descendants.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/118081

git-svn-id: http://src.chromium.org/svn/trunk/src@17351 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 7d3657166c487da6e215ff288499cc9e7fa9668c
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser