[Webkit-unassigned] [Bug 225250] New: Defend further against a PlatformCALayer's owner becoming null in PlatformCALayerCocoa::drawLayerContents.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=225250

            Bug ID: 225250
           Summary: Defend further against a PlatformCALayer's owner
                    becoming null in
                    PlatformCALayerCocoa::drawLayerContents.
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: heycam at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    thorton at apple.com, zalan at apple.com

At the end of PlatformCALayer::drawLayerContents, we null check layerContents for the platformCALayerShowRepaintCounter call but not the platformCALayerIncrementRepaintCount call.

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