tree a9333d4033ada0077607169c59abbb0ed50a2ba7
parent 371a613294ea502b01681f15d93a0b4c2c0a8e94
author Daniel Erat <derat@chromium.org> 1394426348 -0700
committer chrome-internal-fetch <chrome-internal-fetch@google.com> 1394437647 +0000

metrics: Make implicit MetricsLibrary d'tor explicit.

Also add 'virtual' and 'OVERRIDE' to overridden methods.

BUG=none
TEST=did a build

Change-Id: Iec71c59853b6ada38b20cea9d0605c3d39e9353f
Reviewed-on: https://chromium-review.googlesource.com/189398
Reviewed-by: Daniel Erat <derat@chromium.org>
Commit-Queue: Daniel Erat <derat@chromium.org>
Tested-by: Daniel Erat <derat@chromium.org>