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 f908b8a9bdd7b6e282066cc5098ff323243fc5fb..6cb6a93b786530c434bb6954f48e2d5a29976fb0 100644 |
--- a/components/sync_driver/tab_node_pool.h |
+++ b/components/sync_driver/tab_node_pool.h |
@@ -55,7 +55,7 @@ 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, |