Examine source code of Lazy tabs

{
  "manifest_version": 2,
  "name": "Lazy tabs",
  "description": "Open links in paused (discarded) tabs and pause selected tabs (from the right-click context menu). Also with \"Lazy Mode\".",
  "version": "4",
  "developer": {
    "name": "martin"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "<all_urls>",
    "webRequest",
    "webNavigation",
    "menus",
    "bookmarks",
    "tabs"
  ],
  "browser_action": {
    "browser_style": true,
    "default_icon": "pauseButton.svg",
    "default_title": "Lazy mode",
    "default_area": "tabstrip"
  }
}