Histograms - Make DCHECK More Strict

Change-Id: Ifb8cc02dc6d7cd3379316e52f51b6b3303451b03
Reviewed-on: https://chromium-review.googlesource.com/1057996
Reviewed-by: Steven Holte <holte@chromium.org>
Commit-Queue: Mark Pearson <mpearson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#558777}

CrOS-Libchrome-Original-Commit: e0a5855513286b1318bebf5540e5c3db0633e1b8
1 file changed
tree: 6f1f19f3dace4ab7bc8aefff709114548ae049c4
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/