[webkit-changes] [WebKit/WebKit] 353f4a: Remove unused SystemPreview code

[Dean Jackson]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 353f4a5321755a37ef1ee6d0796ebdc4178187d1
      https://github.com/WebKit/WebKit/commit/353f4a5321755a37ef1ee6d0796ebdc4178187d1
  Author: Dean Jackson <dino at apple.com>
  Date:   2023-04-27 (Thu, 27 Apr 2023)

  Changed paths:
    M Source/WebKit/UIProcess/Cocoa/SystemPreviewControllerCocoa.mm
    M Source/WebKit/UIProcess/SystemPreviewController.h

  Log Message:
  -----------
  Remove unused SystemPreview code
https://bugs.webkit.org/show_bug.cgi?id=255963
rdar://108532798

Reviewed by Tim Horton.

Previous patches moved SystemPreview to use a WKDataTask. Remove the old code
that was called from the LegacyDownloadClient.

* Source/WebKit/UIProcess/Cocoa/SystemPreviewControllerCocoa.mm:
* Source/WebKit/UIProcess/SystemPreviewController.h:

Canonical link: https://commits.webkit.org/263476@main