[Sync] Convert sessions/ directory to ModelEnumSet

chrome/browser/sync/sessions/sync_session.cc

Index: chrome/browser/sync/sessions/sync_session.cc
diff --git a/chrome/browser/sync/sessions/sync_session.cc b/chrome/browser/sync/sessions/sync_session.cc
index 94bcd85ae95c0edc4a1b863220a4346bced484ce..a7ac5ae2ca5ee8d6ea0b39cf30e84ad37f972396 100644
--- a/chrome/browser/sync/sessions/sync_session.cc
+++ b/chrome/browser/sync/sessions/sync_session.cc
@@ -136,14 +136,14 @@ SyncSessionSnapshot SyncSession::TakeSnapshot() const {
     LOG(ERROR) << "Scoped dir lookup failed!";
 
   bool is_share_useable = true;
-  syncable::ModelTypeBitSet initial_sync_ended;
+  syncable::ModelEnumSet initial_sync_ended;
   std::string download_progress_markers[syncable::MODEL_TYPE_COUNT];
   for (int i = syncable::FIRST_REAL_MODEL_TYPE;
        i < syncable::MODEL_TYPE_COUNT; ++i) {
     syncable::ModelType type(syncable::ModelTypeFromInt(i));
     if (routing_info_.count(type) != 0) {
       if (dir->initial_sync_ended_for_type(type))
-        initial_sync_ended.set(type);
+        initial_sync_ended.Put(type);
       else
         is_share_useable = false;
     }