commit 5046b31ef289f24ad95bfe8e15c67f476813d044
author Martin Kreichgauer <martinkr@google.com> Fri Apr 26 01:58:23 2019
committer Commit Bot <commit-bot@chromium.org> Fri Apr 26 01:58:23 2019
tree 7fa539a73023e530f02f21e56a9588d8ec8accb1
parent e0fbdc8f9dffe027ee41aafa315c5a525c9afa94

webauth: fix potential use-after-free in VirtualFidoDiscovery

VirtualFidoDiscovery posts a callback that's strongly bound to itself.
However, the request might be terminated before the task is executed
which would delete the discovery and result in a use-after-free. Use a
WeakPtr instead.

Bug: n/a
Change-Id: I841390b38b0485c0dc59f243dbd715af76c9956e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1584437
Auto-Submit: Martin Kreichgauer <martinkr@google.com>
Reviewed-by: Adam Langley <agl@chromium.org>
Commit-Queue: Martin Kreichgauer <martinkr@google.com>
Cr-Commit-Position: refs/heads/master@{#654308}