If the user runs chrome with a language on the command line on first-run, make sure we pass that language to the importer process.
If the user runs chrome with a language on the command line on
first-run, make sure we pass that language to the importer process.

The code for this is basically a copy of what is in
chrome/browser/render_process_host.cc:291.

TEST=Run "chrome --lang=ko --first-run" and import settings during first
  run.  Make sure the importer dialog is in Korean.


git-svn-id: http://src.chromium.org/svn/trunk/src@673 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 045d09c5b9aa27d3b18065cdeb6c426452cead70
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