Currently GPUConnectionToWebProcess just returns true as soon as it forwards a message to a receiver - completely ignoring whether it was handled correctly or not. This is preventing us from detecting deserialization failures for these messages.
<rdar://problem/118397083>
Pull request: https://github.com/WebKit/WebKit/pull/20486
Committed 270778@main (6fae1cc5732d): <https://commits.webkit.org/270778@main> Reviewed commits have been landed. Closing PR #20486 and removing active labels.