Index: components/sync_driver/tab_node_pool.h |
diff --git a/components/sync_driver/tab_node_pool.h b/components/sync_driver/tab_node_pool.h |
index 8d35a79505b022f8fb6d7fa4c8964525ad7fac6f..33cd77a22e810026cfa76ddb8047d0ff447f804f 100644 |
--- a/components/sync_driver/tab_node_pool.h |
+++ b/components/sync_driver/tab_node_pool.h |
@@ -56,7 +56,7 @@ class TabNodePool { |
static const int kInvalidTabNodeID; |
// Build a sync tag from tab_node_id. |
- static std::string TabIdToTag(const std::string machine_tag, |
+ static std::string TabIdToTag(const std::string& machine_tag, |
int tab_node_id); |
// Returns the tab_node_id for the next free tab node. If none are available, |