[Webkit-unassigned] [Bug 284944] New: [CoordinatedGraphics] ASSERT in CoordinatedBackingStore::removeTile

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=284944

            Bug ID: 284944
           Summary: [CoordinatedGraphics] ASSERT in
                    CoordinatedBackingStore::removeTile
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Keywords: Regression
          Severity: Normal
          Priority: P2
         Component: Platform
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: cgarcia at igalia.com
                CC: bugs-noreply at webkitgtk.org

In CoordinatedBackingStoreProxy we remove any tile creation or update registered but not yet processed by the compositor when a new update includes the removal of that tile, but we still pass the removal to the compositor. Then CoordinatedBackingStore tries to remove the tile, but it was never added. We should also remove the tile removal in that case.

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