GTK fix merge failure in uber-revert.
GTK fix merge failure in uber-revert.

BookmarkBubbleGtk::Show()'s signature changed but was mis-merged in
revert of r43146 (http://codereview.chromium.org/1491003).

BUG=none
TEST=waterfall
TBR=pkasting@chromium.org

Review URL: http://codereview.chromium.org/1695005

git-svn-id: http://src.chromium.org/svn/trunk/src@45268 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 46e91a7f257fde6040b036f6ac4c1d07bd6b56e5
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