Examine source code of Upload to Imgur

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Upload to Imgur",
  "version": "2.3resigned1",
  "minimum_chrome_version": "23",
  "icons": {
    "16": "imgur_16.png",
    "128": "imgur_128.png"
  },
  "permissions": [
    "contextMenus",
    "tabs",
    "http://*/*",
    "https://*/*"
  ],
  "background": {
    "scripts": [
      "main.js",
      "jquery.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "css": [],
      "js": [
        "jquery.js",
        "content_script.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7d082ac4-bc5b-46dc-a62f-b77ecf241590}"
    }
  }
}