Index: base/metrics/histogram_snapshot_manager.h |
diff --git a/base/metrics/histogram_snapshot_manager.h b/base/metrics/histogram_snapshot_manager.h |
index de4a2e195a1a725a789f0cd346ae84f023681881..b2cd85cfd8126954fb8408ee66c090919ec88a81 100644 |
--- a/base/metrics/histogram_snapshot_manager.h |
+++ b/base/metrics/histogram_snapshot_manager.h |
@@ -14,6 +14,7 @@ |
#include "base/gtest_prod_util.h" |
#include "base/macros.h" |
#include "base/metrics/histogram_base.h" |
+#include "base/threading/thread_checker.h" |
namespace base { |
@@ -88,6 +89,8 @@ class BASE_EXPORT HistogramSnapshotManager { |
// deltas. |
HistogramFlattener* histogram_flattener_; // Weak. |
+ ThreadChecker thread_checker_; |
+ |
DISALLOW_COPY_AND_ASSIGN(HistogramSnapshotManager); |
}; |