[webkit-changes] [WebKit/WebKit] 52eeb7: Serialize NSMutableString as NSString when encodin...

[Alex Christensen]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 52eeb76058f72df0e5fc6b2892bb08e2575e6ea9
      https://github.com/WebKit/WebKit/commit/52eeb76058f72df0e5fc6b2892bb08e2575e6ea9
  Author: Alex Christensen <achristensen at apple.com>
  Date:   2023-05-24 (Wed, 24 May 2023)

  Changed paths:
    M Source/WebKit/Shared/Cocoa/ArgumentCodersCocoa.mm

  Log Message:
  -----------
  Serialize NSMutableString as NSString when encoding DDActionContext and RVItem
https://bugs.webkit.org/show_bug.cgi?id=257281
rdar://109792470

Reviewed by Tim Horton.

It can cause issues when deserializing NSStrings.
We already do this for DDScannerResult and it is needed for all three.

* Source/WebKit/Shared/Cocoa/ArgumentCodersCocoa.mm:
(IPC::encodeSecureCodingInternal):

Canonical link: https://commits.webkit.org/264486@main