Examine source code of 小币

{
  "version": "1.3.2",
  "manifest_version": 2,
  "minimum_chrome_version": "56.0.0",
  "name": " 币 ",
  "short_name": "coin",
  "description": "聚合币圈行情资讯，自定义币种通知提醒",
  "icons": {
    "16": "static/icons/icon.png",
    "32": "static/icons/icon.png",
    "128": "static/icons/icon.png"
  },
  "browser_action": {
    "default_icon": {
      "128": "static/icons/icon.png"
    },
    "default_popup": "index.html",
    "default_title": "币"
  },
  "background": {
    "page": "background.html",
    "persistent": true
  },
  "options_page": "option.html",
  "content_scripts": [],
  "web_accessible_resources": [
    "static/js/*"
  ],
  "content_security_policy": "script-src 'self' https://at.alicdn.com 'unsafe-eval'; object-src 'self'",
  "permissions": [
    "storage",
    "contextMenus",
    "webRequest",
    "webRequestBlocking",
    "notifications",
    "*://*.mytokenapi.com/*",
    "*://*.mytokencap.com/*",
    "*://*.jinse.com/*"
  ]
}