Examine source code of SplashID

{
  "name": "__MSG_appName__",
  "author": "SplashID",
  "version": "8.3.7",
  "manifest_version": 2,
  "description": "__MSG_appDescription__",
  "default_locale": "en",
  "permissions": [
    "storage",
    "tabs",
    "notifications",
    "<all_urls>",
    "contextMenus"
  ],
  "icons": {
    "16": "images/logo_128.png",
    "25": "images/logo_128.png",
    "48": "images/logo_128.png",
    "128": "images/logo_128.png"
  },
  "web_accessible_resources": [
    "images/*",
    "JavaScript/*.js",
    "views/*.html",
    "css/*.css"
  ],
  "browser_action": {
    "default_icon": {
      "16": "images/logo_128.png",
      "24": "images/logo_128.png",
      "25": "images/logo_128.png",
      "32": "images/logo_128.png"
    },
    "default_title": "__MSG_paTitle__",
    "default_popup": "views/popup.html"
  },
  "background": {
    "scripts": [
      "JavaScript/background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "JavaScript/content.js"
      ],
      "css": [
        "css/content.css"
      ],
      "all_frames": true,
      "run_at": "document_end"
    }
  ],
  "content_security_policy": "script-src 'self'; object-src 'self';"
}