[Sync] Adjust new entity version before commit.

sync/engine/worker_entity_tracker.cc

Index: sync/engine/worker_entity_tracker.cc
diff --git a/sync/engine/worker_entity_tracker.cc b/sync/engine/worker_entity_tracker.cc
index b8049fbca2968ace3be8bbbf43b674779a341823..3bcf7106fc2da2882c580485cfe3fc4033688dfa 100644
--- a/sync/engine/worker_entity_tracker.cc
+++ b/sync/engine/worker_entity_tracker.cc
@@ -31,8 +31,9 @@ bool WorkerEntityTracker::HasPendingCommit() const {
   return !!pending_commit_;
 }
 
-void WorkerEntityTracker::PrepareCommitProto(sync_pb::SyncEntity* commit_entity,
-                                             int64_t* sequence_number) const {
+void WorkerEntityTracker::PopulateCommitProto(
+    sync_pb::SyncEntity* commit_entity,
+    int64_t* sequence_number) const {
   DCHECK(HasPendingCommit());
   DCHECK(!client_tag_hash_.empty());