Added command-line flags to autostart for Linux and Windows
Added command-line flags to autostart for Linux and Windows

BUG=57325
TEST=none

Currently autostart flags are:
 --enable-background-mode
 --no-startup-window

Review URL: http://codereview.chromium.org/3535008

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@61653 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