Move more metrics classes to metrics namespace.
BUG=374763
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Review URL: https://codereview.chromium.org/502173002
Cr-Commit-Position: refs/heads/master@{#291994}
diff --git a/components/metrics/metrics_log.cc b/components/metrics/metrics_log.cc
index 6076f88..314200d 100644
--- a/components/metrics/metrics_log.cc
+++ b/components/metrics/metrics_log.cc
@@ -43,12 +43,10 @@
#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.
@@ -435,3 +433,5 @@
DCHECK(closed_);
uma_proto_.SerializeToString(encoded_log);
}
+
+} // namespace metrics
