[webkit-reviews] review requested: [Bug 193111] [Cocoa] Allow the page to add to the platform undo stack via UndoManager.addItem() : [Attachment 359594] Part 2 (CustomUndoStep)

[bugzilla-daemon at webkit.org]

Wenson Hsieh <wenson_hsieh at apple.com> has asked  for review:
Bug 193111: [Cocoa] Allow the page to add to the platform undo stack via
UndoManager.addItem()
https://bugs.webkit.org/show_bug.cgi?id=193111

Attachment 359594: Part 2 (CustomUndoStep)

https://bugs.webkit.org/attachment.cgi?id=359594&action=review




--- Comment #7 from Wenson Hsieh <wenson_hsieh at apple.com> ---
Created attachment 359594

  --> https://bugs.webkit.org/attachment.cgi?id=359594&action=review

Part 2 (CustomUndoStep)