RemoteGraphicsContextGL crashes if platform graphics context creation fails Creation fails on Cocoa if ANGLE is not present, for example in recovery os. <rdar://101584100>
Pull request: https://github.com/WebKit/WebKit/pull/7542
<rdar://101584100>
<rdar://103277903>
Committed 257843@main (a8076cd43460): <https://commits.webkit.org/257843@main> Reviewed commits have been landed. Closing PR #7542 and removing active labels.