Index: base/metrics/histogram_base.cc |
diff --git a/base/metrics/histogram_base.cc b/base/metrics/histogram_base.cc |
index e9d489885f8f0dde448d278d48bd90b30881308f..d0190b00b021f59b85a8b901a567d1b48fec925a 100644 |
--- a/base/metrics/histogram_base.cc |
+++ b/base/metrics/histogram_base.cc |
@@ -11,12 +11,14 @@ |
#include "base/logging.h" |
#include "base/memory/scoped_ptr.h" |
#include "base/metrics/histogram.h" |
+#include "base/metrics/histogram_persistence.h" |
#include "base/metrics/histogram_samples.h" |
#include "base/metrics/sparse_histogram.h" |
#include "base/metrics/statistics_recorder.h" |
#include "base/pickle.h" |
#include "base/process/process_handle.h" |
#include "base/strings/stringprintf.h" |
+#include "base/synchronization/lock.h" |
#include "base/values.h" |
namespace base { |