AK: Add Weakable::revoke_weak_ptrs()

This allows you to clear all the WeakPtrs pointing at a Weakable *now*
instead of waiting until the Weakable is destroyed.

1 files changed, 5 insertions, 0 deletions

diff --git a/AK/Weakable.h b/AK/Weakable.h
index 0e438b0ff2..960b2a57c3 100644
--- a/AK/Weakable.h
+++ b/AK/Weakable.h
@@ -71,6 +71,11 @@ protected:
 #ifdef WEAKABLE_DEBUG
         m_being_destroyed = true;
 #endif
+        revoke_weak_ptrs();
+    }
+
+    void revoke_weak_ptrs()
+    {
         if (m_link)
             m_link->m_ptr = nullptr;
     }