Manual Geolocation

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "name": "Manual Geolocation",
  "description": "Override HTML5 GeoLocation API and return an arbitrary location.",
  "version": "1.1.0",
  "content_scripts": [
    {
      "js": [
        "fakegeo_content.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_action": {
    "default_icon": "blue_dot_circle.png",
    "default_popup": "popup.html"
  },
  "content_security_policy": "script-src 'self' https://maps.googleapis.com https://ajax.googleapis.com https://maps.gstatic.com https://mts0.googleapis.com https://mts1.googleapis.com; object-src 'self'",
  "permissions": [
    "geolocation",
    "webNavigation",
    "tabs",
    "storage"
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  }
}