Capture failing http requests.

BUG=chromium:283051
TEST=None

Change-Id: I827ef21c0c31c667a2aab448612dbd26b93f5d86
Reviewed-on: https://chromium-review.googlesource.com/167751
Reviewed-by: Chase Phillips <cmp@chromium.org>
Tested-by: Chase Phillips <cmp@chromium.org>
Commit-Queue: Chase Phillips <cmp@chromium.org>
1 file changed