Legrooms for Google Flights

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Legrooms for Google Flights",
  "short_name": "MoreLegroom,pls",
  "description": "Enhances Google Flights search by surfacing legrooms, carry-on restrictions and other amenities on search result list.",
  "version": "1.9.7",
  "action": {
    "default_icon": {
      "16": "seat_16_grey.png",
      "48": "seat_48_grey.png",
      "128": "seat_128_grey.png"
    },
    "default_title": "Legroom",
    "default_popup": "popup.html"
  },
  "permissions": [],
  "web_accessible_resources": [
    {
      "resources": [
        "inject_script.js",
        "inject_script_beta.js",
        "inject_style.css",
        "inject_style_beta.css",
        "flight_data.js",
        "wifi_black_24dp.svg",
        "power_black_24dp.svg",
        "ondemand_video_black_24dp.svg",
        "tap_and_play_black_24dp.svg",
        "airline_seat_recline_normal_black_24dp.svg",
        "airline_seat_recline_extra_black_24dp.svg",
        "airline_seat_flat_black_24dp.svg",
        "airline_seat_individual_suite_black_24dp.svg",
        "airline_seat_flat_angled_black_24dp.svg",
        "usb_black_24dp.svg"
      ],
      "matches": [
        "https://www.google.com/*",
        "https://www.google.ca/*",
        "https://www.google.com.pr/*",
        "https://www.google.ie/*",
        "https://www.google.ch/*",
        "https://www.google.com.my/*",
        "https://www.google.be/*",
        "https://www.google.nl/*",
        "https://www.google.pt/*",
        "https://www.google.es/*",
        "https://www.google.de/*",
        "https://www.google.com.br/*",
        "https://www.google.co.nz/*",
        "https://www.google.co.uk/*",
        "https://www.google.at/*",
        "https://www.google.fr/*",
        "https://www.google.com.au/*",
        "https://www.google.no/*",
        "https://www.google.se/*",
        "https://www.google.dk/*",
        "https://www.google.it/*",
        "https://www.google.com.mx/*",
        "https://www.google.co.in/*",
        "https://www.google.pl/*",
        "https://www.google.co.id/*",
        "https://www.google.co.jp/*",
        "https://www.google.ru/*"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.google.com/flights*",
        "https://www.google.ca/flights*",
        "https://www.google.com.pr/flights*",
        "https://www.google.ie/flights*",
        "https://www.google.ch/flights*",
        "https://www.google.com.my/flights*",
        "https://www.google.be/flights*",
        "https://www.google.nl/flights*",
        "https://www.google.pt/flights*",
        "https://www.google.es/flights*",
        "https://www.google.de/flights*",
        "https://www.google.com.br/flights*",
        "https://www.google.co.nz/flights*",
        "https://www.google.co.uk/flights*",
        "https://www.google.at/flights*",
        "https://www.google.fr/flights*",
        "https://www.google.com.au/flights*",
        "https://www.google.no/flights*",
        "https://www.google.se/flights*",
        "https://www.google.dk/flights*",
        "https://www.google.it/flights*",
        "https://www.google.com.mx/flights*",
        "https://www.google.co.in/flights*",
        "https://www.google.pl/flights*",
        "https://www.google.co.id/flights*",
        "https://www.google.co.jp/flights*",
        "https://www.google.ru/flights*",
        "https://www.google.com/travel/flights*",
        "https://www.google.ca/travel/flights*",
        "https://www.google.com.pr/travel/flights*",
        "https://www.google.ie/travel/flights*",
        "https://www.google.ch/travel/flights*",
        "https://www.google.com.my/travel/flights*",
        "https://www.google.be/travel/flights*",
        "https://www.google.nl/travel/flights*",
        "https://www.google.pt/travel/flights*",
        "https://www.google.es/travel/flights*",
        "https://www.google.de/travel/flights*",
        "https://www.google.com.br/travel/flights*",
        "https://www.google.co.nz/travel/flights*",
        "https://www.google.co.uk/travel/flights*",
        "https://www.google.at/travel/flights*",
        "https://www.google.fr/travel/flights*",
        "https://www.google.com.au/travel/flights*",
        "https://www.google.no/travel/flights*",
        "https://www.google.se/travel/flights*",
        "https://www.google.dk/travel/flights*",
        "https://www.google.it/travel/flights*",
        "https://www.google.com.mx/travel/flights*",
        "https://www.google.co.in/travel/flights*",
        "https://www.google.pl/travel/flights*",
        "https://www.google.co.id/travel/flights*",
        "https://www.google.co.jp/travel/flights*",
        "https://www.google.ru/travel/flights*"
      ],
      "include_globs": [
        "*://*.google.com/flights*",
        "*://*.google.com/travel/flights*"
      ],
      "js": [
        "content_script.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "background": {
    "service_worker": "background.js"
  }
}