[webkit-changes] [WebKit/WebKit] 93760c: [Site Isolation][iOS] Remove hosted layer as subvi...

[Sihui]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 93760c4cbf98e14ebf2f588b5f1a1ebe03de4689
      https://github.com/WebKit/WebKit/commit/93760c4cbf98e14ebf2f588b5f1a1ebe03de4689
  Author: Sihui Liu <sihui_liu at apple.com>
  Date:   2024-02-19 (Mon, 19 Feb 2024)

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

  Log Message:
  -----------
  [Site Isolation][iOS] Remove hosted layer as subview instead of sublayer
https://bugs.webkit.org/show_bug.cgi?id=269610
rdar://123113647

Reviewed by Alex Christensen.

On iOS, RemoteLayerTreeNode is backed by UIView, so we should modify remote layer tree by updating
the hierachy of UIView. This patch also adds a helper function to avoid this issue in the future.

* Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeHost.mm:
(WebKit::RemoteLayerTreeHost::updateLayerTree):
(WebKit::RemoteLayerTreeHost::createLayer):
(WebKit::RemoteLayerTreeHost::remotePageProcessCrashed):
* Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeNode.h:
* Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeNode.mm:
(WebKit::RemoteLayerTreeNode::addToHostingNode):
(WebKit::RemoteLayerTreeNode::removeFromHostingNode):

Canonical link: https://commits.webkit.org/275004@main



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