Examine source code of New XKit (W Edition)

{
  "content_scripts": [
    {
      "all_frames": true,
      "run_at": "document_start",
      "css": [
        "xkit.css"
      ],
      "exclude_matches": [
        "*://*.tumblr.com/*/audio_player_iframe/*",
        "*://*.tumblr.com/*/photoset_iframe/*",
        "*://assets.tumblr.com/*",
        "*://*.media.tumblr.com/*",
        "*://www.tumblr.com/upload/image*",
        "*://www.tumblr.com/video/*"
      ],
      "js": [
        "bridge.js",
        "lodash.min.js",
        "jquery.js",
        "tiptip.js",
        "moment.js",
        "nano.js",
        "xkit.js"
      ],
      "matches": [
        "*://*.tumblr.com/*"
      ]
    }
  ],
  "description": "A fork of XKit, the extension framework for Tumblr.",
  "homepage_url": "https://github.com/new-xkit/XKit",
  "icons": {
    "128": "icon.png"
  },
  "manifest_version": 2,
  "minimum_chrome_version": "44.0",
  "name": "New XKit",
  "author": "New XKit Team",
  "permissions": [
    "storage",
    "unlimitedStorage",
    "*://*.tumblr.com/*",
    "https://new-xkit.github.io/XKit/*",
    "https://cloud.new-xkit.com/*"
  ],
  "version": "7.9.2",
  "web_accessible_resources": [
    "manifest.json",
    "editor.js"
  ],
  "applications": {
    "gecko": {
      "id": "@new-xkit-w"
    }
  }
}