First run is going into infinite recursion if started from master prefs - keeps creating importer processes - the issue is the creation of the first run sentinel file needs to   happen before starting the new process.
First run is going into infinite recursion if started from master prefs
- keeps creating importer processes
- the issue is the creation of the first run sentinel file needs to
  happen before starting the new process.

BUG=1535947

Review URL: http://codereview.chromium.org/13312

git-svn-id: http://src.chromium.org/svn/trunk/src@6651 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: b42b4b99fa281b86cfee29b417cd7e6defc30cfa
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