[Sync] use base::Time in sync

chrome/browser/sync/syncable/syncable_unittest.cc

Index: chrome/browser/sync/syncable/syncable_unittest.cc
diff --git a/chrome/browser/sync/syncable/syncable_unittest.cc b/chrome/browser/sync/syncable/syncable_unittest.cc
index 004e7396727f036b041135de5382079872889510..c47b1b858b3069fbc4140c19ce3bc93dc6aa6799 100644
--- a/chrome/browser/sync/syncable/syncable_unittest.cc
+++ b/chrome/browser/sync/syncable/syncable_unittest.cc
@@ -1150,6 +1150,14 @@ TEST_F(SyncableDirectoryTest, TestSimpleFieldsPreservedDuringSaveChanges) {
               update_post_save.ref((Int64Field)i))
               << "int64 field #" << i << " changed during save/load";
   }
+  for ( ; i < TIME_FIELDS_END ; ++i) {
+    EXPECT_EQ(create_pre_save.ref((TimeField)i),
+              create_post_save.ref((TimeField)i))
+              << "time field #" << i << " changed during save/load";
+    EXPECT_EQ(update_pre_save.ref((TimeField)i),
+              update_post_save.ref((TimeField)i))
+              << "time field #" << i << " changed during save/load";
+  }
   for ( ; i < ID_FIELDS_END ; ++i) {
     EXPECT_EQ(create_pre_save.ref((IdField)i),
               create_post_save.ref((IdField)i))