Smart Korean Tooltip

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Smart Korean Tooltip",
  "description": "Extension to speak selected Korean text.",
  "version": "1.0",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "background": {
    "scripts": [
      "jquery-3.3.1.min.js",
      "eventPage.js",
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "core.css"
      ],
      "js": [
        "jquery-3.3.1.min.js",
        "core.js"
      ],
      "urn_at": "document_end"
    }
  ],
  "browser_action": {
    "default_icon": "icon16.png",
    "default_popup": "/popup/popup.html",
    "default_title": "Smart Korean Tooltip"
  },
  "permissions": [
    "http://tooltip.dic.naver.com/*",
    "contextMenus",
    "tts",
    "tabs",
    "storage",
    "<all_users>",
    "unlimitedStorage"
  ]
}