Custom Button

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Custom Button",
  "short_name": "Custom Button",
  "description": "Customize a button.",
  "version": "1.1.0",
  "permissions": [
    "notifications",
    "storage",
    "tabs"
  ],
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "browser_action": {
    "default_icon": {
      "19": "images/default-24.png",
      "38": "images/default-32.png"
    }
  },
  "icons": {
    "24": "images/default-24.png",
    "48": "images/default-64.png",
    "128": "images/default-128.png"
  },
  "background": {
    "scripts": [
      "globals.js",
      "background.js"
    ]
  },
  "options_page": "options.html"
}