[Webkit-unassigned] [Bug 249735] New: Remove the empty CATransaction in RemoteLayerTreeDrawingArea::displayDidRefresh()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=249735

            Bug ID: 249735
           Summary: Remove the empty CATransaction in
                    RemoteLayerTreeDrawingArea::displayDidRefresh()
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Process Model
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: simon.fraser at apple.com

With UI-side compositing (and IOKit blocking) we should never have IOSurfaces in the web content process, so we should be able to remove this code in RemoteLayerTreeDrawingArea::displayDidRefresh():

    // This empty transaction serves to trigger CA's garbage collection of IOSurfaces. See <rdar://problem/16110687>
    [CATransaction begin];
    [CATransaction commit];

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