1 files changed, 1 insertions, 1 deletions
diff --git a/chrome/browser/extensions/api/identity/extension_token_key.h b/chrome/browser/extensions/api/identity/extension_token_key.h
index 4ada0cf..b6a0f9f 100644
--- a/chrome/browser/extensions/api/identity/extension_token_key.h
+++ b/chrome/browser/extensions/api/identity/extension_token_key.h
@@ -13,7 +13,7 @@ namespace extensions {
 struct ExtensionTokenKey {
   ExtensionTokenKey(const std::string& extension_id,
                     const std::string& account_id,
-                    const std::set<std::string> scopes);
+                    const std::set<std::string>& scopes);
   ~ExtensionTokenKey();
   bool operator<(const ExtensionTokenKey& rhs) const;
   std::string extension_id;