sync: Implement per-type commit interface

sync/engine/get_commit_ids.cc

Index: sync/engine/get_commit_ids.cc
diff --git a/sync/engine/get_commit_ids.cc b/sync/engine/get_commit_ids.cc
index cc437ce7d2fff8fee2290668401ed8c86e075798..3a87383d1bcab065282603fa9a7cc8d5c5195d19 100644
--- a/sync/engine/get_commit_ids.cc
+++ b/sync/engine/get_commit_ids.cc
@@ -506,25 +506,4 @@ void OrderCommitIds(
 
 }  // namespace
 
-void GetCommitIds(
-    syncable::BaseTransaction* trans,
-    ModelTypeSet requested_types,
-    size_t commit_batch_size,
-    sessions::OrderedCommitSet* ordered_commit_set) {
-  for (ModelTypeSet::Iterator it = requested_types.First();
-       it.Good(); it.Inc()) {
-    DCHECK_LE(ordered_commit_set->Size(), commit_batch_size);
-    if (ordered_commit_set->Size() >= commit_batch_size)
-      break;
-    size_t space_remaining = commit_batch_size - ordered_commit_set->Size();
-    syncable::Directory::Metahandles out;
-    GetCommitIdsForType(
-        trans,
-        it.Get(),
-        space_remaining,
-        &out);
-    ordered_commit_set->AddCommitItems(out, it.Get());
-  }
-}
-
 }  // namespace syncer