Start BindStateBase ref count from 1 instead of 0

base/callback_internal.cc

Index: base/callback_internal.cc
diff --git a/base/callback_internal.cc b/base/callback_internal.cc
index 3a665d28cae8fc6d5280acad88313de0a8a8ec41..5a83bfa50ec3369c622efa6f1d305af4355a7c61 100644
--- a/base/callback_internal.cc
+++ b/base/callback_internal.cc
@@ -29,7 +29,8 @@ BindStateBase::BindStateBase(InvokeFuncStorage polymorphic_invoke,
 BindStateBase::BindStateBase(InvokeFuncStorage polymorphic_invoke,
                              void (*destructor)(const BindStateBase*),
                              bool (*is_cancelled)(const BindStateBase*))
-    : polymorphic_invoke_(polymorphic_invoke),
+    : RefCountedThreadSafe(1 /* initial_ref_count */),
+      polymorphic_invoke_(polymorphic_invoke),
       destructor_(destructor),
       is_cancelled_(is_cancelled) {}
 
@@ -74,9 +75,8 @@ bool CallbackBase<CopyMode::MoveOnly>::EqualsInternal(
   return bind_state_ == other.bind_state_;
 }
 
-CallbackBase<CopyMode::MoveOnly>::CallbackBase(
-    BindStateBase* bind_state)
-    : bind_state_(bind_state) {
+CallbackBase<CopyMode::MoveOnly>::CallbackBase(BindStateBase* bind_state)
+    : bind_state_(AdoptRef(bind_state)) {
   DCHECK(!bind_state_.get() || bind_state_->HasOneRef());
 }