Examine source code of LiuChan

{
  "manifest_version": 2,
  "name": "LiuChan Chinese Popup Dictionary",
  "applications": {
    "gecko": {
      "id": "{d75ce8ce-eded-4560-8dc3-fb1587c6cde9}"
    }
  },
  "short_name": "LiuChan",
  "version": "1.1.8",
  "options_ui": {
    "page": "html/options.html"
  },
  "background": {
    "scripts": [
      "/js/chrome-promise.js",
      "/js/liuchan.js",
      "/js/data.js",
      "/js/fuzzysort.js",
      "/js/background.js"
    ]
  },
  "browser_action": {
    "default_icon": "images/toolbar-disabled.png",
    "default_title": "LiuChan Chinese Dictionary"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "js/liuchancontent.js",
        "js/notepad.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "description": "A modern lightweight mouse-over popup dictionary for Chinese!",
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "omnibox": {
    "keyword": "lc"
  },
  "permissions": [
    "tabs",
    "storage",
    "contextMenus",
    "notifications",
    "http://*/*"
  ],
  "web_accessible_resources": [
    "css/*",
    "js/liuchancontent.js",
    "images/*"
  ]
}