Add CheckOCSPDateValid() to net/cert/internal

net/der/encode_values.cc

Index: net/der/encode_values.cc
diff --git a/net/der/encode_values.cc b/net/der/encode_values.cc
new file mode 100644
index 0000000000000000000000000000000000000000..af7098a23840e1fdfbcd2e07fb63afa98c4cbcfe
--- /dev/null
+++ b/net/der/encode_values.cc
@@ -0,0 +1,30 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/time/time.h"
+#include "net/der/encode_values.h"
+
+namespace net {
+
+namespace der {
+
+bool EncodeTimeAsGeneralizedTime(const base::Time& time,
+                                 der::GeneralizedTime* generalized_time) {
+  base::Time::Exploded exploded;
+  time.UTCExplode(&exploded);
+  if (!exploded.HasValidValues())
+    return false;
+
+  generalized_time->year = exploded.year;
+  generalized_time->month = exploded.month;
+  generalized_time->day = exploded.day_of_month;
+  generalized_time->hours = exploded.hour;
+  generalized_time->minutes = exploded.minute;
+  generalized_time->seconds = exploded.second;
+  return true;
+}
+
+}  // namespace der
+
+}  // namespace net