[Webkit-unassigned] [Bug 76934] New: [chromium] Dirty pre-painted tiles should be deleted on impl side

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=76934

           Summary: [chromium] Dirty pre-painted tiles should be deleted
                    on impl side
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: danakj at chromium.org
                CC: piman at chromium.org, enne at google.com,
                    backer at chromium.org, reveman at chromium.org,
                    epenner at chromium.org


Drawing pre-painted tiles that don't match the latest commit is going to cause bad visual artifacts. (e.g. video tearing at the tile boundary.)

It is possible that this is done already (please say so).  But if not it is a placeholder for me to come back to soon.

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