Support move-only type on base::Callback::Run

base/bind_helpers.h

Index: base/bind_helpers.h
diff --git a/base/bind_helpers.h b/base/bind_helpers.h
index 660348e667c102b526b13a1d46a6c720cf30b293..a551465ce8148430a7a62747cd909db8f5ecd284 100644
--- a/base/bind_helpers.h
+++ b/base/bind_helpers.h
@@ -563,15 +563,12 @@ static inline internal::OwnedWrapper<T> Owned(T* o) {
 // Both versions of Passed() prevent T from being an lvalue reference. The first
 // via use of enable_if, and the second takes a T* which will not bind to T&.
 template <typename T,
-          typename std::enable_if<internal::IsMoveOnlyType<T>::value &&
-                                  !std::is_lvalue_reference<T>::value>::type* =
+          typename std::enable_if<!std::is_lvalue_reference<T>::value>::type* =
               nullptr>
 static inline internal::PassedWrapper<T> Passed(T&& scoper) {
   return internal::PassedWrapper<T>(std::move(scoper));
 }
-template <typename T,
-          typename std::enable_if<internal::IsMoveOnlyType<T>::value>::type* =
-              nullptr>
+template <typename T>
 static inline internal::PassedWrapper<T> Passed(T* scoper) {
   return internal::PassedWrapper<T>(std::move(*scoper));
 }