Colorful Tic-Tac-Toe

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "version": "3.0.1",
  "icons": {
    "128": "game/images/icon_128.png"
  },
  "background": {
    "page": "template/background.html",
    "persistent": false
  },
  "browser_action": {
    "default_icon": "game/images/icon.png",
    "default_popup": "template/popup.html"
  },
  "externally_connectable": {
    "ids": [
      "*"
    ],
    "matches": [
      "https://*.playtcubed.com/*",
      "http://*.playtcubed.com/*",
      "https://*.tcubedstudios.com/*",
      "http://*.tcubedstudios.com/*"
    ]
  }
}