third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/java/compatibility_tests/v2.5.0/protos/src/proto/com/google/protobuf/nested_extension.proto

Index: third_party/protobuf/java/compatibility_tests/v2.5.0/protos/src/proto/com/google/protobuf/nested_extension.proto
diff --git a/third_party/protobuf/src/google/protobuf/util/internal/testdata/anys.proto b/third_party/protobuf/java/compatibility_tests/v2.5.0/protos/src/proto/com/google/protobuf/nested_extension.proto
similarity index 78%
copy from third_party/protobuf/src/google/protobuf/util/internal/testdata/anys.proto
copy to third_party/protobuf/java/compatibility_tests/v2.5.0/protos/src/proto/com/google/protobuf/nested_extension.proto
index 18c59cbb96308c72f0a1d432a2ef79d81fccbdb6..9fe5d560c9690fe5c2d4212c7911f97a74122b42 100644
--- a/third_party/protobuf/src/google/protobuf/util/internal/testdata/anys.proto
+++ b/third_party/protobuf/java/compatibility_tests/v2.5.0/protos/src/proto/com/google/protobuf/nested_extension.proto
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
+// http://code.google.com/p/protobuf/
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
@@ -28,26 +28,18 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Proto to test Proto3 Any serialization.
-syntax = "proto3";
-
-package google.protobuf.testing.anys;
-option java_package = "com.google.protobuf.testing.anys";
-
-import "google/protobuf/any.proto";
+// Author: Darick Tong (darick@google.com)
+//
+// A proto file with nested extensions. Note that this must be defined in
+// a separate file to properly test the initialization of the outer class.
 
-message AnyIn {
-  string something = 1;
-}
 
-message AnyOut {
-  google.protobuf.Any any = 1;
-}
+import "com/google/protobuf/non_nested_extension.proto";
 
-message AnyM {
-  string foo = 1;
-}
+package protobuf_unittest;
 
-service TestService {
-  rpc Call(AnyIn) returns (AnyOut);
+message MyNestedExtension {
+  extend MessageToBeExtended {
+    optional MessageToBeExtended recursiveExtension = 2;
+  }
 }