third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/python/google/protobuf/pyext/descriptor_containers.h

Index: third_party/protobuf/python/google/protobuf/pyext/descriptor_containers.h
diff --git a/third_party/protobuf/python/google/protobuf/pyext/descriptor_containers.h b/third_party/protobuf/python/google/protobuf/pyext/descriptor_containers.h
index ce40747d57a1c065fb1e279bb4dd55ed2b1ff025..83de07b68c4e45de7d5950f420faa85f4c7a77c8 100644
--- a/third_party/protobuf/python/google/protobuf/pyext/descriptor_containers.h
+++ b/third_party/protobuf/python/google/protobuf/pyext/descriptor_containers.h
@@ -43,6 +43,7 @@ class Descriptor;
 class FileDescriptor;
 class EnumDescriptor;
 class OneofDescriptor;
+class ServiceDescriptor;
 
 namespace python {
 
@@ -89,10 +90,17 @@ PyObject* NewFileEnumTypesByName(const FileDescriptor* descriptor);
 
 PyObject* NewFileExtensionsByName(const FileDescriptor* descriptor);
 
+PyObject* NewFileServicesByName(const FileDescriptor* descriptor);
+
 PyObject* NewFileDependencies(const FileDescriptor* descriptor);
 PyObject* NewFilePublicDependencies(const FileDescriptor* descriptor);
 }  // namespace file_descriptor
 
+namespace service_descriptor {
+PyObject* NewServiceMethodsSeq(const ServiceDescriptor* descriptor);
+PyObject* NewServiceMethodsByName(const ServiceDescriptor* descriptor);
+}  // namespace service_descriptor
+
 
 }  // namespace python
 }  // namespace protobuf