Modern IDB (Workers): Move TransactionOperation management from IDBConnectionToServer to IDBConnectionProxy This gets us closer to IDBConnectionToServer being a thin layer of a main-thread-only object. It also thins out the public interface of TransactionOperation to discourage future thread-unsafe usage.
Created attachment 278197 [details] Patch v1
The failures on mac-debug are unrelated to this patch. Landing manually.
http://trac.webkit.org/changeset/200489