Revert of Add tests to make sure closed CCT activities are not leaked. (patchset #7 id:120001 of https://codereview.chromium.org/2847263003/ )

Reason for revert:
org.chromium.chrome.browser.customtabs.CustomTabActivityTest#testClosedBackActivitiesNotLeaked flaky on chromium.linux/Android Tests

See Issue 719909

Original issue's description:
> Add tests to make sure closed CCT activities are not leaked.
>
> BUG=715724, 710612
>
> Review-Url: https://codereview.chromium.org/2847263003
> Cr-Commit-Position: refs/heads/master@{#470057}
> Committed: https://chromium.googlesource.com/chromium/src/+/d50d8466d0bdae0b5ae8af4108ecaa1376ed5f21

TBR=tedchoc@chromium.org,yusufo@chromium.org,torne@chromium.org,dskiba@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=715724, 710612

Review-Url: https://codereview.chromium.org/2866213003
Cr-Commit-Position: refs/heads/master@{#470295}


CrOS-Libchrome-Original-Commit: 3f4a47063c35627779a3e4d7464e1398bcbf6467
1 file changed
tree: c6b41df73102ec6ed572264f5dea5d786d2684e6
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/