Index: third_party/mojo/src/mojo/edk/system/async_waiter.h |
diff --git a/third_party/mojo/src/mojo/edk/system/async_waiter.h b/third_party/mojo/src/mojo/edk/system/async_waiter.h |
index da412c032659f7bc9c36d2fe8a194c3a4014a7af..df3b48203023c562431f03246dc5f8aa2d0e40e8 100644 |
--- a/third_party/mojo/src/mojo/edk/system/async_waiter.h |
+++ b/third_party/mojo/src/mojo/edk/system/async_waiter.h |
@@ -20,7 +20,7 @@ class MOJO_SYSTEM_IMPL_EXPORT AsyncWaiter final : public Awakable { |
typedef base::Callback<void(MojoResult)> AwakeCallback; |
// |callback| must satisfy the same contract as |Awakable::Awake()|. |
- explicit AsyncWaiter(AwakeCallback callback); |
+ explicit AsyncWaiter(const AwakeCallback& callback); |
virtual ~AsyncWaiter(); |
private: |