Examine source code of Splashtop Vault

{
  "manifest_version": 2,
  "name": "Splashtop Vault",
  "short_name": "Splashtop Vault",
  "author": "Splashtop Inc",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "version": "1.0.50.5",
  "homepage_url": "https://my.vault.splashtop.com",
  "browser_action": {
    "default_icon": "data/img/icon-32.png"
  },
  "permissions": [
    "identity",
    "activeTab",
    "storage",
    "contextMenus",
    "privacy",
    "notifications",
    "tabs",
    "clipboardWrite",
    "webRequest",
    "webRequestBlocking",
    "alarms",
    "<all_urls>"
  ],
  "icons": {
    "16": "data/img/icon-16.png",
    "32": "data/img/icon-32.png",
    "48": "data/img/icon-48.png",
    "64": "data/img/icon-64.png",
    "128": "data/img/icon-128.png"
  },
  "background": {
    "page": "data/background.html",
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "css": [
        "data/css/lib/cssreset-context-min.css",
        "data/css/vault-common.css",
        "data/css/dropdown.css",
        "data/css/loading.css"
      ],
      "js": [
        "data/js/lib/jquery.min.js",
        "data/js/lib/uuid.js",
        "data/js/extension/helpers/index.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    "data/fonts/*.woff2",
    "data/css/contentscript.css",
    "data/css/vault.css",
    "data/default_popup.html",
    "data/action_popup.html",
    "data/logger.html",
    "data/img/favicon-dark.svg",
    "data/img/favicon.svg",
    "data/js/extension/splashvault-inject.js",
    "data/js/extension/injection/index.js",
    "data/img/icon-light-128.png",
    "data/img/icon-light-lock-128.png",
    "data/img/app-icons-v2/*",
    "data/css/*"
  ],
  "applications": {
    "gecko": {
      "id": "{88312b47-350d-b773-cdf1-2148654ae6a5}"
    }
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+Right",
        "mac": "Command+Shift+Right"
      }
    }
  }
}