Missing Gmail™ & Google™ Black Bar

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "fire-icon-48.png",
    "default_popup": "background.html",
    "default_title": "Press Alt+G to open menu."
  },
  "content_scripts": [
    {
      "all_frames": true,
      "css": [
        "gbarmissing.css"
      ],
      "js": [
        "jquery.js",
        "gbarmissing.js"
      ],
      "matches": [
        "*://newtab/*",
        "*://www.google.com/*",
        "*://mail.google.com/*",
        "*://www.google.com/contacts/*",
        "*://drive.google.com/*",
        "*://groups.google.com/*",
        "*://translate.google.com/*",
        "*://sites.google.com/*",
        "*://www.google.com/calendar/*"
      ]
    }
  ],
  "description": "Adds a black shortcut bar like the one removed by Google™ to the top of many Google™ pages.",
  "icons": {
    "128": "fire-icon-128.png"
  },
  "manifest_version": 2,
  "name": "Missing Gmail™ & Google™ Black Bar",
  "short_name": "Missing gBar",
  "version": "1.87"
}