third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/src/google/protobuf/util/time_util.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.
 
+// Defines utilities for the Timestamp and Duration well known types.
+
 #ifndef GOOGLE_PROTOBUF_UTIL_TIME_UTIL_H__
 #define GOOGLE_PROTOBUF_UTIL_TIME_UTIL_H__
 
 #include <ctime>
 #include <ostream>
 #include <string>
 #ifdef _MSC_VER
 #include <winsock2.h>
 #else
 #include <sys/time.h>
 #endif
 
 #include <google/protobuf/duration.pb.h>
 #include <google/protobuf/timestamp.pb.h>
 
 namespace google {
 namespace protobuf {
 namespace util {
 
+// Utility functions for Timestamp and Duration.
 class LIBPROTOBUF_EXPORT TimeUtil {
   typedef google::protobuf::Timestamp Timestamp;
   typedef google::protobuf::Duration Duration;
 
  public:
   // The min/max Timestamp/Duration values we support.
   //
   // For "0001-01-01T00:00:00Z".
   static const int64 kTimestampMinSeconds = -62135596800LL;
   // For "9999-12-31T23:59:59.999999999Z".
@@ skipping 224 matching lines @@
 inline ostream& operator<<(ostream& out, const Timestamp& t) {
   out << google::protobuf::util::TimeUtil::ToString(t);
   return out;
 }
 
 }  // namespace protobuf
 
 
 }  // namespace google
 #endif  // GOOGLE_PROTOBUF_UTIL_TIME_UTIL_H__