third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/src/google/protobuf/stubs/callback.h

 #ifndef GOOGLE_PROTOBUF_STUBS_CALLBACK_H_
 #define GOOGLE_PROTOBUF_STUBS_CALLBACK_H_
 
 #include <google/protobuf/stubs/macros.h>
 #include <google/protobuf/stubs/type_traits.h>
 
 // ===================================================================
 // emulates google3/base/callback.h
 
 namespace google {
@@ skipping 363 matching lines @@
   T* object_;
   MethodType method_;
   bool self_deleting_;
   typename remove_reference<P1>::type p1_;
   typename remove_reference<P2>::type p2_;
   typename remove_reference<P3>::type p3_;
   typename remove_reference<P4>::type p4_;
   typename remove_reference<P5>::type p5_;
 };
 
+}  // namespace internal
+
 // See Closure.
 inline Closure* NewCallback(void (*function)()) {
   return new internal::FunctionClosure0(function, true);
 }
 
 // See Closure.
 inline Closure* NewPermanentCallback(void (*function)()) {
   return new internal::FunctionClosure0(function, false);
 }
 
@@ skipping 132 matching lines @@
     typename internal::InternalConstRef<P1>::type p1,
     typename internal::InternalConstRef<P2>::type p2,
     typename internal::InternalConstRef<P3>::type p3,
     typename internal::InternalConstRef<P4>::type p4,
     typename internal::InternalConstRef<P5>::type p5) {
   return new internal::MethodResultCallback_5_2<R, T, P1, P2, P3, P4, P5, A1,
                                                 A2>(object, function, false, p1,
                                                     p2, p3, p4, p5);
 }
 
-}  // namespace internal
-
 // A function which does nothing.  Useful for creating no-op callbacks, e.g.:
 //   Closure* nothing = NewCallback(&DoNothing);
 void LIBPROTOBUF_EXPORT DoNothing();
 
 
 }  // namespace protobuf
 }  // namespace google
 
 #endif  // GOOGLE_PROTOBUF_STUBS_CALLBACK_H_