Oilpan: have SharedWorker trace its message port.

Also remove the unused AbstractWorker::asID() helper.

R=haraken@chromium.org,ager@chromium.org
BUG=340522

Review URL: https://codereview.chromium.org/371403002

git-svn-id: svn://svn.chromium.org/blink/trunk@177673 bbb929c8-8fbe-4397-9dbb-9b2b20218538
6 files changed
tree: 701342a425e144d98fa370304b2ba41e056cb509
  1. third_party/