Revert "SERVER-13874 Make mongo::Milliseconds et al. aliases for equivalent stdx::chrono types."

This reverts commit 9aac625685811873ffbc2d3e8d09531eff1ce10e.

Committed in error.

1 files changed, 3 insertions, 4 deletions

diff --git a/src/mongo/db/repl/repl_set_heartbeat_response.cpp b/src/mongo/db/repl/repl_set_heartbeat_response.cpp
index 8ea4bd0028f..8dac175ddf9 100644
--- a/src/mongo/db/repl/repl_set_heartbeat_response.cpp
+++ b/src/mongo/db/repl/repl_set_heartbeat_response.cpp
@@ -90,14 +90,13 @@ namespace {
 
         builder->append(kOkFieldName, 1.0);
         if (_opTimeSet) {
-            builder->appendDate(kOpTimeFieldName, Date_t::fromMillisSinceEpoch(_opTime.asLL()));
+            builder->appendDate(kOpTimeFieldName, _opTime.asULL());
         }
         if (_timeSet) {
-            *builder << kTimeFieldName << durationCount<Seconds>(_time);
+            *builder << kTimeFieldName << _time.total_seconds();
         }
         if (_electionTimeSet) {
-            builder->appendDate(kElectionTimeFieldName,
-                                Date_t::fromMillisSinceEpoch(_electionTime.asLL()));
+            builder->appendDate(kElectionTimeFieldName, _electionTime.asULL());
         }
         if (_configSet) {
             *builder << kConfigFieldName << _config.toBSON();