Examine source code of Persistent Highlighter

{
  "name": "Persistent Highlighter",
  "version": "0.0.9resigned1",
  "description": "A watered-down port of Prostetnic Highlighter",
  "homepage_url": "https://github.com/n8chz/prostetnic-chrome/tree/multicolor",
  "permissions": [
    "tabs",
    "contextMenus",
    "activeTab",
    "storage",
    "unlimitedStorage"
  ],
  "icons": {
    "128": "hilite.png"
  },
  "background": {
    "scripts": [
      "menu.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "hilite.css"
      ],
      "js": [
        "jquery.js",
        "lib.js",
        "rehilite.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": {
      "19": "search19.png",
      "38": "search.png"
    },
    "default_title": "Search for words in previous highlights",
    "default_popup": "popup.html"
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{459d066f-ca41-4fe2-9be4-f5454edda1e3}"
    }
  }
}