1 files changed, 7 insertions, 1 deletions
diff --git a/chromium/base/callback_internal.h b/chromium/base/callback_internal.h
index 390461c9aa5..777397d88a3 100644
--- a/chromium/base/callback_internal.h
+++ b/chromium/base/callback_internal.h
@@ -19,9 +19,12 @@ struct FakeBindState;
 
 namespace internal {
 
+class BindStateBase;
 class FinallyExecutorCommon;
 class ThenAndCatchExecutorCommon;
-class BindStateBase;
+
+template <typename ReturnType>
+class PostTaskExecutor;
 
 template <typename Functor, typename... BoundArgs>
 struct BindState;
@@ -140,6 +143,9 @@ class BASE_EXPORT CallbackBase {
   friend class FinallyExecutorCommon;
   friend class ThenAndCatchExecutorCommon;
 
+  template <typename ReturnType>
+  friend class PostTaskExecutor;
+
   using InvokeFuncStorage = BindStateBase::InvokeFuncStorage;
 
   // Returns true if this callback equals |other|. |other| may be null.