sync: Make nudge + config jobs reliable in SyncerThread2

chrome/browser/sync/engine/mock_model_safe_workers.cc

Index: chrome/browser/sync/engine/mock_model_safe_workers.cc
diff --git a/chrome/browser/sync/engine/mock_model_safe_workers.cc b/chrome/browser/sync/engine/mock_model_safe_workers.cc
index bd6a26b19b91e0a5a78d7792281c5858a25041d8..77ed4e9c7e7399314a31cca83eb624fe1baae833 100644
--- a/chrome/browser/sync/engine/mock_model_safe_workers.cc
+++ b/chrome/browser/sync/engine/mock_model_safe_workers.cc
@@ -24,6 +24,21 @@ MockModelSafeWorkerRegistrar*
   return m;
 }
 
+MockModelSafeWorkerRegistrar* MockModelSafeWorkerRegistrar::PassiveForTypes(
+    const syncable::ModelTypeBitSet& set) {
+  ModelSafeRoutingInfo routes;
+  for (int i = syncable::UNSPECIFIED ; i < syncable::MODEL_TYPE_COUNT; ++i) {
+      syncable::ModelType type = syncable::ModelTypeFromInt(i);
+      if (set[type]) {
+        routes[type] = GROUP_PASSIVE;
+      }
+  }
+  MockModelSafeWorkerRegistrar* m = new MockModelSafeWorkerRegistrar(routes);
+  m->passive_worker_ = new ModelSafeWorker();
+  return m;
+}
+
+
 void MockModelSafeWorkerRegistrar::GetWorkers(
     std::vector<ModelSafeWorker*>* out) {
   if (passive_worker_.get())