[Webkit-unassigned] [Bug 151876] New: Web Inspector: when a marked-dirty subview is attached to a parent View, dirtyDescendantsCount gets out of sync

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=151876

            Bug ID: 151876
           Summary: Web Inspector: when a marked-dirty subview is attached
                    to a parent View, dirtyDescendantsCount gets out of
                    sync
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bburg at apple.com
                CC: bburg at apple.com, graouts at webkit.org,
                    joepeck at webkit.org, mattbaker at apple.com,
                    nvasilyev at apple.com, timothy at apple.com,
                    webkit-bug-importer at group.apple.com

When attaching subviews, View should be checking incoming views for dirty flag and updating dirtyDescendantsCount if necessary (and scheduling a layout). Right now in this case, the view is marked as dirty but will never be scheduled because the dirty flag is set but the parent doesn't think there's any work to do.

I added a workaround in NewTabContentView, you can uncomment it to see this bug in action.

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