Fix the compilation error in debug build on linux.
Fix the compilation error in debug build on linux.

TBR = tony

Review URL: http://codereview.chromium.org/12932

git-svn-id: http://src.chromium.org/svn/trunk/src@6345 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: c96faeffcfe50f5b9d7fe19ad8378cc1860e2d7d
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