You can load tracks from gpx file and show them on a Maps view
Online GPX Viewer Application
GPX is a free online app that reads GPX files, works on your computer, uploads or imports from your Google Drive. No need to install the application, it takes time, we will help you do it easily.
Read more
Source Manifest.json
{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 2, "name": "Online GPX Viewer", "version": "1.0", "description": "You can load tracks from gpx file and show them on a Maps view", "icons": { "512": "icon-512.png", "256": "icon-256.png", "128": "icon-128.png", "96": "icon-96.png", "64": "icon-64.png", "48": "icon-48.png", "32": "icon-32.png", "16": "icon-16.png" }, "container": [ "DOMAIN_INSTALLABLE", "GOOGLE_DRIVE" ], "api_console_project_id": "1040573512806", "app": { "launch": { "web_url": "https://gpx-viewer.freebusinessapps.net/map" } }, "gdrive_mime_types": { "http://drive.google.com/intents/opendrivedoc": [ { "type": ["application/gpx+xml","application/gpx","application/vnd.google-earth.kml+xml", "application/xml","application/vnd.google.drive.ext-type.gpx"], "href": "https://gpx-viewer.freebusinessapps.net/map", "title": "Open", "disposition": "window" } ] }}
Read more