Revert "Fix SampleVector tests to expect CHECK rather than DCHECK deaths."

This reverts commit f0acd4fcf1939a152c2787f625644a8e57947d28.

Reason for revert:

Findit (https://goo.gl/kROfz5) identified CL at revision 551483 as the
culprit for failures in the build cycles as shown on:
https://findit-for-me.appspot.com/waterfall/culprit?key=ag9zfmZpbmRpdC1mb3ItbWVyRAsSDVdmU3VzcGVjdGVkQ0wiMWNocm9taXVtL2YwYWNkNGZjZjE5MzlhMTUyYzI3ODdmNjI1NjQ0YThlNTc5NDdkMjgM

Sample Failed Build: https://ci.chromium.org/buildbot/chromium.chromiumos/linux-chromeos-rel/7001

Sample Failed Step: base_unittests

Original change's description:
> Fix SampleVector tests to expect CHECK rather than DCHECK deaths.
> 
> Bug: 832728
> Change-Id: I9a2d2d330aa4d250c925b7a614780acbf40dce3f
> Reviewed-on: https://chromium-review.googlesource.com/1012732
> Reviewed-by: Alexei Svitkine <asvitkine@chromium.org>
> Commit-Queue: Wez <wez@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#551483}

Change-Id: Ie2ad7fb9ebd4c214a7dd2cebe0763b2f41793f01
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 832728
Reviewed-on: https://chromium-review.googlesource.com/1015194
Cr-Commit-Position: refs/heads/master@{#551512}

CrOS-Libchrome-Original-Commit: a10be3237416a9a944d4cc024e8b4c6bbaad5d33
1 file changed
tree: 289b64bb808ce9a23ad755b05719204c7383ddd8
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/