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>
diff --git a/metrics/metrics_library.cc b/metrics/metrics_library.cc
index c53c16b..1214dd0 100644
--- a/metrics/metrics_library.cc
+++ b/metrics/metrics_library.cc
@@ -88,6 +88,8 @@
: uma_events_file_(NULL),
consent_file_(kConsentFile) {}
+MetricsLibrary::~MetricsLibrary() {}
+
// We take buffer and buffer_size as parameters in order to simplify testing
// of various alignments of the |device_name| with |buffer_size|.
bool MetricsLibrary::IsDeviceMounted(const char* device_name,