Index: components/sync/syncable/parent_child_index.h |
diff --git a/components/sync/syncable/parent_child_index.h b/components/sync/syncable/parent_child_index.h |
index c354c3b6a9282ab39d70570998690a8198d11089..b5af56b265b70c1e1907904bd92e23175ff40110 100644 |
--- a/components/sync/syncable/parent_child_index.h |
+++ b/components/sync/syncable/parent_child_index.h |
@@ -60,6 +60,9 @@ class ParentChildIndex { |
// Returns all siblings of the entry. |
const OrderedChildSet* GetSiblings(EntryKernel* e) const; |
+ // Estimates amount of heap memory used. |
+ size_t EstimateMemoryUsage() const; |
+ |
private: |
friend class ParentChildIndexTest; |