Examine source code of Synaps Bookmarks

{
  "manifest_version": 2,
  "name": "Synaps Bookmarks",
  "description": "__MSG_extDescription__",
  "version": "0.5.1",
  "default_locale": "en",
  "background": {
    "scripts": [
      "js/jquery/jquery.min.js",
      "js/dexie.js",
      "js/background.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true,
    "chrome_style": true
  },
  "browser_action": {
    "default_popup": "/popup.html",
    "browser_style": true,
    "default_title": "Synaps bookmarks",
    "default_icon": {
      "48": "images/icon48.png"
    }
  },
  "icons": {
    "16": "images/icon16.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "64": "images/icon64.png",
    "128": "images/icon128.png"
  },
  "permissions": [
    "https://*.thesynaps.com/",
    "https://thesynaps.com/",
    "tabs",
    "storage"
  ],
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'"
}