| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/speculation-rules/prerender/resources/utils.js"></script> |
| <script src="/speculation-rules/prerender/resources/deferred-promise-utils.js"></script> |
| <script> |
| |
| const params = new URLSearchParams(location.search); |
| |
| // The main test page (restriction-screen-capture.https.html) loads the |
| // initiator page, then the initiator page will prerender itself with the |
| // `prerendering` parameter. |
| const isPrerendering = params.has('prerendering'); |
| |
| if (!isPrerendering) { |
| loadInitiatorPage(); |
| } else { |
| const prerenderEventCollector = new PrerenderEventCollector(); |
| const promise = new Promise(async (resolve, reject) => { |
| try { |
| await navigator.mediaDevices.getDisplayMedia({video: true}); |
| resolve(); |
| } catch (e) { |
| reject(`navigator.mediaDevices.getDisplayMedia error: ${e.toString()}`); |
| } |
| }); |
| prerenderEventCollector.start( |
| promise, 'navigator.mediaDevices.getDisplayMedia'); |
| } |
| |
| </script> |
