The user may use QDesktopServices::setUrlHandler() in combination with
the appropriate Info.plist keys (CFBundleURLTypes, CFBundleURLSchemes)
to react to URL requests from other applications.
This is among other things useful for handling OAuth authentication from
applications such as Dropbox. See:
https://www.dropbox.com/developers/core/start/ios
We protect against recursive URL opening, but an application may still
redirect a request to open a URL by opening another URL, eg a website.
Task-number: QTBUG-35201
Change-Id: I9f1d246206c5594b1b65bb11fa98c6bcdefc443e
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@digia.com>
c5b19f2521