[webkit-changes] [WebKit/WebKit] ca42ca: [Site Isolation][iOS] Add hosted layer tree node a...

[Sihui]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: ca42cab69e8addad145218dc3301c185ce4703aa
      https://github.com/WebKit/WebKit/commit/ca42cab69e8addad145218dc3301c185ce4703aa
  Author: Sihui Liu <sihui_liu at apple.com>
  Date:   2024-02-02 (Fri, 02 Feb 2024)

  Changed paths:
    M Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeHost.mm

  Log Message:
  -----------
  [Site Isolation][iOS] Add hosted layer tree node as subview instead of sublayer
https://bugs.webkit.org/show_bug.cgi?id=268641

Reviewed by Alex Christensen.

On iOS, RemoteLayerTreeNode is backed by UIView, and we modify the tree by updating the hierachy of UIView instead of
CALayer.

* Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeHost.mm:
(WebKit::RemoteLayerTreeHost::updateLayerTree):
(WebKit::RemoteLayerTreeHost::createLayer):

Canonical link: https://commits.webkit.org/274029@main