Examine source code of JSON Lite

{
  "manifest_version": 2,
  "name": "JSON Lite",
  "version": "21.3.0",
  "author": "Lauri Rooden",
  "description": "Fast JSON viewer - highlights, shows items count/size, handles large files",
  "icons": {
    "32": "img/icon-32.png",
    "48": "img/icon-48.png",
    "128": "img/icon-128.png"
  },
  "permissions": [
    "contextMenus",
    "storage",
    "tabs",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "applications": {
    "gecko": {
      "id": "{16a49f65-1369-4839-a5ef-db2581e08b16}"
    }
  },
  "options_ui": {
    "page": "options.html",
    "chrome_style": true
  },
  "content_scripts": [
    {
      "all_frames": true,
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_action": {
    "default_icon": {
      "48": "img/icon-48.png"
    },
    "default_popup": "options.html?p"
  }
}