third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/objectivec/Tests/unittest_extension_chain_c.proto

Index: third_party/protobuf/objectivec/Tests/unittest_extension_chain_c.proto
diff --git a/third_party/protobuf/python/google/protobuf/internal/any_test.proto b/third_party/protobuf/objectivec/Tests/unittest_extension_chain_c.proto
similarity index 79%
copy from third_party/protobuf/python/google/protobuf/internal/any_test.proto
copy to third_party/protobuf/objectivec/Tests/unittest_extension_chain_c.proto
index cd641ca0b8efaab4d60767f359490946f90400fb..c702900a4ab2b5a0907e2b725fabf7eb815b4b46 100644
--- a/third_party/protobuf/python/google/protobuf/internal/any_test.proto
+++ b/third_party/protobuf/objectivec/Tests/unittest_extension_chain_c.proto
@@ -1,6 +1,5 @@
 // Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
+// Copyright 2016 Google Inc.  All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
@@ -28,15 +27,19 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Author: jieluo@google.com (Jie Luo)
+syntax = "proto2";
 
-syntax = "proto3";
+package protobuf_unittest;
 
-package google.protobuf.internal;
+import "google/protobuf/unittest.proto";
 
-import "google/protobuf/any.proto";
+// The Root for this file should end up adding the local extension and merging
+// in the extensions from unittest.proto's Root.
 
-message TestAny {
-  google.protobuf.Any value = 1;
-  int32 int_value = 2;
+message ChainCMessage {
+  optional int32 my_field = 1;
+}
+
+extend TestAllExtensions {
+  optional int32 chain_c_extension = 10003;
 }