dcheng: I'm assigning high severity as it looks like this could cause a UAF. Feel free to change.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c2136443f59b89b66bb21cb58c389e5331b801f0

commit c2136443f59b89b66bb21cb58c389e5331b801f0
Author: rockot <rockot@chromium.org>
Date: Tue Nov 22 06:47:15 2016

Fix double-free in displaySource API

BUG= 666803 
R=dcheng@chromium.org

Review-Url: https://codereview.chromium.org/2513053003
Cr-Commit-Position: refs/heads/master@{#433802}

[modify] https://crrev.com/c2136443f59b89b66bb21cb58c389e5331b801f0/extensions/browser/api/display_source/wifi_display/wifi_display_media_service_impl.cc
[modify] https://crrev.com/c2136443f59b89b66bb21cb58c389e5331b801f0/extensions/browser/api/display_source/wifi_display/wifi_display_media_service_impl.h
[modify] https://crrev.com/c2136443f59b89b66bb21cb58c389e5331b801f0/extensions/browser/api/display_source/wifi_display/wifi_display_session_service_impl.cc
[modify] https://crrev.com/c2136443f59b89b66bb21cb58c389e5331b801f0/extensions/browser/api/display_source/wifi_display/wifi_display_session_service_impl.h

Note that this feature is only present on Chrome OS, so the other OS labels are unnecessary.

I don't think there's any reason to merge the fix, since the API is still only enabled on dev channel.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/d4ddbd0f740b9916ac1d823343544312fb7fbeaf

commit d4ddbd0f740b9916ac1d823343544312fb7fbeaf
Author: eero.hakkinen <eero.hakkinen@intel.com>
Date: Thu Nov 24 15:11:56 2016

[chrome.displaySource] Fix StrongBindingPtr indirections.

BUG=242107, 666803 

Review-Url: https://codereview.chromium.org/2529893002
Cr-Commit-Position: refs/heads/master@{#434323}

[modify] https://crrev.com/d4ddbd0f740b9916ac1d823343544312fb7fbeaf/extensions/browser/api/display_source/wifi_display/wifi_display_media_service_impl.cc
[modify] https://crrev.com/d4ddbd0f740b9916ac1d823343544312fb7fbeaf/extensions/browser/api/display_source/wifi_display/wifi_display_session_service_impl.cc

This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot