Steam cards getter

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Steam cards getter",
  "description": "This extension allow you to automate cards getting process",
  "version": "1.1.1",
  "icons": {
    "16": "icon.png",
    "48": "icon.png",
    "128": "icon.png"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup/index.html"
  },
  "permissions": [
    "storage",
    "http://store.steampowered.com/",
    "https://store.steampowered.com/"
  ],
  "background": {
    "scripts": [
      "eventPage.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "http://store.steampowered.com/*",
        "https://store.steampowered.com/*"
      ],
      "js": [
        "content-scripts/steam-cards-getter-content-script.js"
      ]
    }
  ]
}