Populate versions on individual nodes in sync model and native bookmark model.

sync/test/null_directory_change_delegate.cc

Index: sync/test/null_directory_change_delegate.cc
diff --git a/sync/test/null_directory_change_delegate.cc b/sync/test/null_directory_change_delegate.cc
index e28fc6a0ea5c84419dab85e3cf7dad2cde6a005d..ec2b7a2c8a634252419ebc6e754edae1c8da10f9 100644
--- a/sync/test/null_directory_change_delegate.cc
+++ b/sync/test/null_directory_change_delegate.cc
@@ -11,16 +11,29 @@ NullDirectoryChangeDelegate::~NullDirectoryChangeDelegate() {}
 
 void NullDirectoryChangeDelegate::HandleCalculateChangesChangeEventFromSyncApi(
     const ImmutableWriteTransactionInfo& write_transaction_info,
-    BaseTransaction* trans) {}
+    BaseTransaction* trans,
+    std::vector<int64>* entry_changed) {
+  for (EntryKernelMutationMap::const_iterator it =
+          write_transaction_info.Get().mutations.Get().begin();
+      it != write_transaction_info.Get().mutations.Get().end(); ++it) {
+    entry_changed->push_back(it->first);
+  }
+}
 
 void NullDirectoryChangeDelegate::HandleCalculateChangesChangeEventFromSyncer(
     const ImmutableWriteTransactionInfo& write_transaction_info,
-    BaseTransaction* trans) {}
+    BaseTransaction* trans,
+    std::vector<int64>* entry_changed) {
+  for (EntryKernelMutationMap::const_iterator it =
+          write_transaction_info.Get().mutations.Get().begin();
+      it != write_transaction_info.Get().mutations.Get().end(); ++it) {
+    entry_changed->push_back(it->first);
+  }
+}
 
-ModelTypeSet
-    NullDirectoryChangeDelegate::HandleTransactionEndingChangeEvent(
-        const ImmutableWriteTransactionInfo& write_transaction_info,
-        BaseTransaction* trans) {
+ModelTypeSet NullDirectoryChangeDelegate::HandleTransactionEndingChangeEvent(
+    const ImmutableWriteTransactionInfo& write_transaction_info,
+    BaseTransaction* trans) {
   return ModelTypeSet();
 }