Examine source code of FindSomething

{
  "name": "__MSG_extName__",
  "version": "2.0.19",
  "manifest_version": 2,
  "description": "__MSG_extDescription__",
  "permissions": [
    "https://*/*",
    "http://*/*",
    "tabs",
    "storage",
    "unlimitedStorage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon_16.png",
    "48": "icons/icon_48.png",
    "128": "icons/icon_128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon_16.png",
      "48": "icons/icon_48.png",
      "128": "icons/icon_128.png"
    },
    "default_popup": "popup.html"
  },
  "default_locale": "zh_CN",
  "browser_specific_settings": {
    "gecko": {
      "id": "{78dbc161-7082-40bc-bb47-79c5d55bbf41}"
    }
  }
}