third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/src/google/protobuf/util/package_info.h

 // 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 10 matching lines @@
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (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";
+// This file exists solely to document the google::protobuf::util namespace.
+// It is not compiled into anything, but it may be read by an automated
+// documentation generator.
 
-package google.protobuf.testing.anys;
-option java_package = "com.google.protobuf.testing.anys";
+namespace google {
 
-import "google/protobuf/any.proto";
+namespace protobuf {
 
-message AnyIn {
-  string something = 1;
-}
+// Utility classes.
+//
+// This package contains various utilities for message comprasion, JSON
+// conversion, well known types, etc.
+namespace util {}
 
-message AnyOut {
-  google.protobuf.Any any = 1;
-}
-
-message AnyM {
-  string foo = 1;
-}
-
-service TestService {
-  rpc Call(AnyIn) returns (AnyOut);
-}
+}  // namespace protobuf
+}  // namespace google