Examine source code of Quick Jisho Lookup

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "version": "1.0",
  "description": "__MSG_extensionDescription__",
  "default_locale": "en",
  "icons": {
    "48": "icons/icon-sm.svg",
    "96": "icons/icon.svg"
  },
  "permissions": [
    "contextMenus"
  ],
  "background": {
    "scripts": [
      "jisho_menu_item.js"
    ]
  },
  "browser_action": {
    "browser_style": true,
    "default_popup": "pages/jisho_search.html",
    "default_icon": {
      "16": "icons/icon-sm.svg",
      "32": "icons/icon-sm.svg",
      "64": "icons/icon.svg"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "hayajisho@nigelbaillie.me"
    }
  }
}