chromium-browser-stable-test/master_preferences.json

{
  "distribution": {
     "skip_first_run_ui": true,
     "import_bookmarks_from_file": "/etc/chromium-browser/default_bookmarks.html",
     "alternate_shortcut_text": false,
     "oem_bubble": true,
     "chrome_shortcut_icon_index": 0,
     "create_all_shortcuts": true,
     "show_welcome_page": false,
     "make_chrome_default": false,
     "make_chrome_default_for_user": false,
     "system_level": false,
     "verbose_logging": false
  },
  "download": {
     "extensions_to_open": "ymp"
  },
  "browser": {
     "show_home_button": true,
     "check_default_browser": false
  },
  "session" : {
    "restore_on_startup" : 4,
    "startup_urls" : [
      "file:///usr/share/doc/HTML/index.html"
    ]
  },
  "bookmark_bar": {
     "show_on_all_tabs": true
  },
  "first_run_tabs": [
     "file:///usr/share/doc/HTML/first_startup.html"
  ],
  "homepage": "file:///usr/share/doc/HTML/index.html",
  "homepage_is_newtabpage": false
}