Allow 6 channel to pass thru to driver.
Allow 6 channel to pass thru to driver.

Review URL: http://codereview.chromium.org/155525

git-svn-id: http://src.chromium.org/svn/trunk/src@20823 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: cb03c2594e4322c13b052bbdc607abbb9afecb02
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