Examine source code of Like Tabs

{
  "name": "Like Tabs",
  "version": "3.0",
  "description": "Like Tabs!",
  "permissions": [
    "tabs",
    "activeTab",
    "storage",
    "contextMenus"
  ],
  "background": {
    "scripts": [
      "constants.js",
      "global.js",
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_icon": {
      "16": "images/LikeTabsLogo.png",
      "32": "images/LikeTabsLogo.png",
      "48": "images/LikeTabsLogo.png"
    },
    "default_title": "Like Tabs",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "images/LikeTabsLogo.png",
    "32": "images/LikeTabsLogo.png",
    "48": "images/LikeTabsLogo.png",
    "128": "images/LikeTabsLogo.png"
  },
  "manifest_version": 2
}