Smar Tass for GMail

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "version": "1.2",
  "options_page": "options.html",
  "name": "Smar Tass for GMail",
  "description": "Modifies GMail's smart replies to be rull extra.",
  "default_locale": "en",
  "content_scripts": [
    {
      "matches": [
        "https://mail.google.com/*"
      ],
      "js": [
        "content.js"
      ],
      "all_frames": true
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "128": "img/icon.128.png"
  }
}