Update //third_party/protobuf to version 3.

third_party/protobuf/src/google/protobuf/stubs/time.h

 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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.
 //     * Redistributions in binary form must reproduce the above
 // copyright notice, this list of conditions and the following disclaimer
 // in the documentation and/or other materials provided with the
 // distribution.
 //     * Neither the name of Google Inc. nor the names of its
 // contributors may be used to endorse or promote products derived from
 // this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // 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.
+#ifndef GOOGLE_PROTOBUF_STUBS_TIME_H_
+#define GOOGLE_PROTOBUF_STUBS_TIME_H_
 
-// Author: kenton@google.com (Kenton Varda)
-//  Based on original Protocol Buffers design by
-//  Sanjay Ghemawat, Jeff Dean, and others.
-
-#include <algorithm>
-
-#include <google/protobuf/repeated_field.h>
 #include <google/protobuf/stubs/common.h>
 
 namespace google {
 namespace protobuf {
-
 namespace internal {
 
-void RepeatedPtrFieldBase::Reserve(int new_size) {
-  if (total_size_ >= new_size) return;
+struct DateTime {
+  int year;
+  int month;
+  int day;
+  int hour;
+  int minute;
+  int second;
+};
 
-  void** old_elements = elements_;
-  total_size_ = max(kMinRepeatedFieldAllocationSize,
-                    max(total_size_ * 2, new_size));
-  elements_ = new void*[total_size_];
-  if (old_elements != NULL) {
-    memcpy(elements_, old_elements, allocated_size_ * sizeof(elements_[0]));
-    delete [] old_elements;
-  }
-}
+// Converts a timestamp (seconds elapsed since 1970-01-01T00:00:00, could be
+// negative to represent time before 1970-01-01) to DateTime. Returns false
+// if the timestamp is not in the range between 0001-01-01T00:00:00 and
+// 9999-12-31T23:59:59.
+bool LIBPROTOBUF_EXPORT SecondsToDateTime(int64 seconds, DateTime* time);
+// Converts DateTime to a timestamp (seconds since 1970-01-01T00:00:00).
+// Returns false if the DateTime is not valid or is not in the valid range.
+bool LIBPROTOBUF_EXPORT DateTimeToSeconds(const DateTime& time, int64* seconds);
 
-void RepeatedPtrFieldBase::Swap(RepeatedPtrFieldBase* other) {
-  if (this == other) return;
-  void** swap_elements       = elements_;
-  int    swap_current_size   = current_size_;
-  int    swap_allocated_size = allocated_size_;
-  int    swap_total_size     = total_size_;
+void LIBPROTOBUF_EXPORT GetCurrentTime(int64* seconds, int32* nanos);
 
-  elements_       = other->elements_;
-  current_size_   = other->current_size_;
-  allocated_size_ = other->allocated_size_;
-  total_size_     = other->total_size_;
-
-  other->elements_       = swap_elements;
-  other->current_size_   = swap_current_size;
-  other->allocated_size_ = swap_allocated_size;
-  other->total_size_     = swap_total_size;
-}
-
-string* StringTypeHandlerBase::New() {
-  return new string;
-}
-void StringTypeHandlerBase::Delete(string* value) {
-  delete value;
-}
+// Formats a time string in RFC3339 fromat.
+//
+// For example, "2015-05-20T13:29:35.120Z". For nanos, 0, 3, 6 or 9 fractional
+// digits will be used depending on how many are required to represent the exact
+// value.
+//
+// Note that "nanos" must in the range of [0, 999999999].
+string LIBPROTOBUF_EXPORT FormatTime(int64 seconds, int32 nanos);
+// Parses a time string. This method accepts RFC3339 date/time string with UTC
+// offset. For example, "2015-05-20T13:29:35.120-08:00".
+bool LIBPROTOBUF_EXPORT ParseTime(const string& vaule, int64* seconds, int32* nanos);
 
 }  // namespace internal
-
-
 }  // namespace protobuf
 }  // namespace google
+
+#endif  // GOOGLE_PROTOBUF_STUBS_TIME_H_