Index: base/callback_internal.h |
diff --git a/base/callback_internal.h b/base/callback_internal.h |
index 9dca02387dcef60e7afadf31fc232dadf1069a28..8a5c4378bc1ccbfb5303727ecfd129dc49a42903 100644 |
--- a/base/callback_internal.h |
+++ b/base/callback_internal.h |
@@ -36,6 +36,9 @@ class BindStateBase : public RefCountedThreadSafe<BindStateBase> { |
// template bloat. |
class BASE_EXPORT CallbackBase { |
public: |
+ CallbackBase(const CallbackBase& c); |
+ CallbackBase& operator=(const CallbackBase& c); |
+ |
// Returns true if Callback is null (doesn't refer to anything). |
bool is_null() const { return bind_state_.get() == NULL; } |