Navigations from WebUSB notifications are not renderer initiated

The |is_renderer_initiated| flag in the OpenURLParams
should be set to false as the navigation initiated when
the user clicks on a WebUSB notification is initiated by
the browser and not the renderer.

BUG=492204

Review URL: https://codereview.chromium.org/1712683002

Cr-Commit-Position: refs/heads/master@{#376250}
1 file changed