manifest.json

{
  "manifest_version": 2,

  "name": "Facebook and Messenger Active Status Blocker",
  "description": "Regain control of your life. Remove seeing the inaccurate active status of the person you're chatting with Facebook and Messenger.",
  "version": "1.0",
  "homepage_url": "https://github.com/tiffanyqi/fb-active-status-blocker",

  "browser_action": {
    "default_icon": "16.png",
    "default_title": "Facebook and Messenger Active Blocking"
  },
  "permissions": [
    "activeTab",
    "https://ajax.googleapis.com/",
    "contextMenus"
  ],
  "content_scripts": [
    {
      "matches": ["https://www.messenger.com/*", "https://www.facebook.com/*"], 
      "css" : ["style.css"],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "16": "16.png",
    "48": "48.png",
    "128": "128.png"
  }
}