The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c1335c171043be33e183be3e7877f72d3ac3d6f3

commit c1335c171043be33e183be3e7877f72d3ac3d6f3
Author: Yoshifumi Inoue <yosin@chromium.org>
Date: Wed Aug 29 11:32:40 2018

Mark Leak to editing/ and virtual/threaded

This patch marks following tests as Leak:
- editing/selection/modify_extend/extend_by_character.html
- editing/selection/modify_move/move_right_word_09_ltr_multi_line.html
- virtual/threaded/http/tests/devtools/tracing/timeline-misc/timeline-flame-chart-automatically-size-window.js

https://ci.chromium.org/p/chromium/builders/luci.chromium.try/layout_test_leak_detection/48


TBR=yosin@chromium.org

Bug: 878724, 878727 
No-Try: true
Change-Id: Ia1d4552df60ef18dc56e780b82c430615d61012e
Reviewed-on: https://chromium-review.googlesource.com/1194029
Reviewed-by: Yoshifumi Inoue <yosin@chromium.org>
Commit-Queue: Yoshifumi Inoue <yosin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#587077}
[modify] https://crrev.com/c1335c171043be33e183be3e7877f72d3ac3d6f3/third_party/WebKit/LayoutTests/LeakExpectations