Use MPAVRoutingController instead of deprecated versions.

Use MPAVRoutingController instead of deprecated versions.
https://bugs.webkit.org/show_bug.cgi?id=175063
Source/WebCore:

Patch by Jeremy Jones <jeremyj@apple.com> on 2017-08-04
Reviewed by Tim Horton.

No new tests because no behavior change. This uses a different platform class to present
an interface.

Remove deprecated MPAudioVideoRoutingPopoverController and MPAVRoutingSheet
Add MPMediaControlsViewController.

* platform/spi/ios/MediaPlayerSPI.h:

Source/WebKit:

rdar://problem/33301230

Patch by Jeremy Jones <jeremyj@apple.com> on 2017-08-04
Reviewed by Tim Horton.

Remove dependence on deprecated classes MPAVRoutingSheet and MPAudioVideoRoutingPopoverController.

* UIProcess/ios/forms/WKAirPlayRoutePicker.h:
* UIProcess/ios/forms/WKAirPlayRoutePicker.mm:
(-[WKAirPlayRoutePicker dealloc]):
(-[WKAirPlayRoutePicker show:fromRect:]):
(-[WKAirPlayRoutePicker popoverControllerDidDismissPopover:]): Deleted.
(-[WKAirPlayRoutePicker _presentAirPlayPopoverAnimated:fromRect:]): Deleted.
(-[WKAirPlayRoutePicker _windowWillRotate:]): Deleted.
(-[WKAirPlayRoutePicker _windowDidRotate:]): Deleted.
(-[WKAirPlayRoutePicker _dismissAirPlayRoutePickerIPad]): Deleted.
(-[WKAirPlayRoutePicker showAirPlayPickerIPad:fromRect:]): Deleted.
(-[WKAirPlayRoutePicker showAirPlayPickerIPhone:]): Deleted.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@220288 268f45cc-cd09-0410-ab3c-d52691b4dbfc