Modifies LaunchSetupWithParam to properly append the kInstallerDir and kSetupExe constants to the executable path.
Modifies LaunchSetupWithParam to properly append the kInstallerDir and kSetupExe constants to the executable path.

Review URL: http://codereview.chromium.org/19493

git-svn-id: http://src.chromium.org/svn/trunk/src@8949 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 2e7301f4698c2df849bff8454374f84364745153
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