third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/src/google/protobuf/unittest_lite.proto

 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
 // https://developers.google.com/protocol-buffers/
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
@@ skipping 145 matching lines @@
   optional string default_cord = 85 [ctype=CORD,default="123"];
 
   // For oneof test
   oneof oneof_field {
     uint32 oneof_uint32 = 111;
     NestedMessage oneof_nested_message = 112;
     string oneof_string = 113;
     bytes oneof_bytes = 114;
     NestedMessage oneof_lazy_nested_message = 115 [lazy = true];
   }
+
+  // Tests toString for non-repeated fields with a list suffix
+  optional int32 deceptively_named_list = 116;
 }
 
 message ForeignMessageLite {
   optional int32 c = 1;
 }
 
 enum ForeignEnumLite {
   FOREIGN_LITE_FOO = 4;
   FOREIGN_LITE_BAR = 5;
   FOREIGN_LITE_BAZ = 6;
@@ skipping 222 matching lines @@
 
 message V1MessageLite {
     required int32 int_field = 1;
     optional V1EnumLite enum_field = 2 [ default = V1_FIRST ];
 }
 
 message V2MessageLite {
     required int32 int_field = 1;
     optional V2EnumLite enum_field = 2 [ default = V2_FIRST ];
 }
+
+message TestHugeFieldNumbersLite {
+  optional int32 optional_int32 = 536870000;
+  optional int32 fixed_32 = 536870001;
+  repeated int32 repeated_int32 = 536870002 [packed = false];
+  repeated int32 packed_int32 = 536870003 [packed = true];
+
+  optional ForeignEnumLite optional_enum = 536870004;
+  optional string optional_string = 536870005;
+  optional bytes optional_bytes = 536870006;
+  optional ForeignMessageLite optional_message = 536870007;
+
+  optional group OptionalGroup = 536870008 {
+    optional int32 group_a = 536870009;
+  }
+
+  map<string, string> string_string_map = 536870010;
+
+  oneof oneof_field {
+    uint32 oneof_uint32 = 536870011;
+    TestAllTypesLite oneof_test_all_types = 536870012;
+    string oneof_string = 536870013;
+    bytes oneof_bytes = 536870014;
+  }
+
+  extensions  536860000 to 536869999;
+}
+
+extend TestHugeFieldNumbersLite {
+  optional TestAllTypesLite test_all_types_lite = 536860000;
+}