Flush logging output.
Flush logging output.

It gets buffered otherwise, which is inconvenient when trying
to follow what's going on in the Chrome OS window manager.

TEST=compiled and ran it

Review URL: http://codereview.chromium.org/459001

git-svn-id: http://src.chromium.org/svn/trunk/src@33520 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 47a70025643f3a800f337815a6b2b0e9f24bc4b4
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