Make it possible to detach GraphicsLayerCA backing store
Created attachment 251532 [details] Patch
Comment on attachment 251532 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=251532&action=review > Source/WebCore/platform/graphics/ca/mac/PlatformCALayerMac.mm:599 > + // We could throw away backing store here with setContents:nil. But would prefer to do something better where it just becomes volatile?
Created attachment 251533 [details] For EWS
https://trac.webkit.org/r183242