We should capture and replay navigation commands that come through from WebKit2. These three are fairly easy to do, as they don't require
messing around with the history.
Created attachment 228081 [details]
serialization of wip
This patch reuses some of the serialization methods from wkbug.com/131043.
Created attachment 230349 [details]
Comment on attachment 230349 [details]
Clearing r? flag as this patch is bit-rotted.
Closing web replay-related bugs until we resume working on the feature again.