Add back comment explaining why kEnableRendererAccessibility is used.
Add back comment explaining why kEnableRendererAccessibility is used.

This time reference the external bug number.

Bug=none
Test=none


git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@46696 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser