chrome-extensions-samples/functional-samples/cookbook.permissions-addhostaccessrequest/README.md

permissions.addHostAccessRequest() Demo

This sample demonstrates using the permissions.addHostAccessRequest API to request access to a host.

Overview

This API allows you to request access to an origin listed in optional_host_permissions (or withheld by the user) at runtime.

Running this extension

1. Clone this repository.
2. Make sure you have the latest version of Chrome Canary installed.
3. At chrome://flags, enable the "Extensions Menu Access Control" flag.
4. Restart Chrome Canary.
5. Load this directory as an unpacked extension.
6. At chrome://extensions, click on "Details" for the extension and unselect "Automatically allow access on the following sites".
7. Visit https://example.com/checkout.
8. Click "Allow 1?"

You will see a banner injected on the page to show that the extension has run.