linux: fix uninitialized variable
linux: fix uninitialized variable

TBR=apatrick

Review URL: http://codereview.chromium.org/521027

git-svn-id: http://src.chromium.org/svn/trunk/src@35510 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 3427bc337c79d994da0dd37bbc6c6ad02f2dbc8e
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