fix linux opt build Set initial values to 0.
fix linux opt build
Set initial values to 0.

TBR=jar

Review URL: http://codereview.chromium.org/12507


git-svn-id: http://src.chromium.org/svn/trunk/src@6070 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: e23c22f0299ccaad90f76d4c983bb812d6ae1154
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