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-rw-r--r--net/disk_cache/stats_histogram.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/disk_cache/stats_histogram.cc b/net/disk_cache/stats_histogram.cc
index e6eaf90..06ed1b3 100644
--- a/net/disk_cache/stats_histogram.cc
+++ b/net/disk_cache/stats_histogram.cc
@@ -9,6 +9,9 @@
namespace disk_cache {
+using base::Histogram;
+using base::StatisticsRecorder;
+
// Static.
const Stats* StatsHistogram::stats_ = NULL;