We are using G_PRIORITY_DEFAULT for most of them. Now that we changed the default dispatch priority to G_PRIORITY_HIGH_IDLE in the GTK+ port, we should use the same for network IO tasks to ensure that tasks dispatched by the run loop to cancel a network load, can actually cancel the load before it finishes.
Created attachment 307273 [details] Patch
Comment on attachment 307273 [details] Patch Clearing flags on attachment: 307273 Committed r215455: <http://trac.webkit.org/changeset/215455>
All reviewed patches have been landed. Closing bug.