[Webkit-unassigned] [Bug 190268] New: Reparenting normal flow composited element makes it disappear

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=190268

            Bug ID: 190268
           Summary: Reparenting normal flow composited element makes it
                    disappear
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: thorton at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

Created attachment 351561

  --> https://bugs.webkit.org/attachment.cgi?id=351561&action=review

test case

Steps to Reproduce:

1. Open attached test case.
2. Press the toggle button twice.

Expected: A black square (the canvas) should always be visible.

Actual: It disappears.

The child (canvas) layer is not reparented when its parent (the 'parent' div) is made non-composited.

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