Oilpan: cancel MIDI permission request when prefinalizing

Cancelling an access permission request during finalization is a little
bit too late for the now-GCed MIDIAccessInitializer object. Arrange or a
prefinalizer to handle it instead.

R=haraken
BUG=420515

Review URL: https://codereview.chromium.org/805263004

git-svn-id: svn://svn.chromium.org/blink/trunk@187515 bbb929c8-8fbe-4397-9dbb-9b2b20218538
2 files changed
tree: b1727cc43abaf12ce3ffb98476ac3af625bd2d1d
  1. third_party/