Index: base/metrics/persistent_sample_map.h |
diff --git a/base/metrics/persistent_sample_map.h b/base/metrics/persistent_sample_map.h |
index 3c175db5420b2b839d9a72147e67b96cecb8bf08..853f8621821117234c2f5af6cb1f4ae49058abb2 100644 |
--- a/base/metrics/persistent_sample_map.h |
+++ b/base/metrics/persistent_sample_map.h |
@@ -24,7 +24,6 @@ namespace base { |
class PersistentHistogramAllocator; |
class PersistentSampleMapRecords; |
-class PersistentSparseHistogramDataManager; |
// The logic here is similar to that of SampleMap but with different data |
// structures. Changes here likely need to be duplicated there. |