#endif
using base::SampleCountIterator;
-using metrics::HistogramEventProto;
-using metrics::ProfilerEventProto;
-using metrics::SystemProfileProto;
-using metrics::UserActionEventProto;
typedef variations::ActiveGroupId ActiveGroupId;
+namespace metrics {
+
namespace {
// Any id less than 16 bytes is considered to be a testing id.
DCHECK(closed_);
uma_proto_.SerializeToString(encoded_log);
}
+
+} // namespace metrics