<rdar://problem/9005982> When adding a WKView that has composited content into a window’s view hierarchy, sometimes it flashes its background color before displaying the composited content. Patch forthcoming.
Created attachment 87663 [details] Ensure that the backing store state is updated upon entering compositing mode, and that the layers are synchronized to the host
Comment on attachment 87663 [details] Ensure that the backing store state is updated upon entering compositing mode, and that the layers are synchronized to the host r=me
Fixed in r82543. <http://trac.webkit.org/changeset/82543>