Index: components/sync/base/unique_position.h |
diff --git a/components/sync/base/unique_position.h b/components/sync/base/unique_position.h |
index f205ce6311c4233fc681564350fd83ae572d219e..3104758030264970d51e5eb18699f920543d7ee1 100644 |
--- a/components/sync/base/unique_position.h |
+++ b/components/sync/base/unique_position.h |
@@ -101,6 +101,9 @@ class UniquePosition { |
bool IsValid() const; |
+ // Returns memory usage estimate. |
+ size_t EstimateMemoryUsage() const; |
+ |
private: |
friend class UniquePositionTest; |