[not for review] sync: Don't use group_restriction from ApplyUpdatesCommand.

sync/engine/model_safe_worker.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "sync/engine/model_safe_worker.h"
 
 #include "base/json/json_writer.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 
@@ skipping 21 matching lines @@
 syncable::ModelTypeSet GetRoutingInfoTypes(
     const ModelSafeRoutingInfo& routing_info) {
   syncable::ModelTypeSet types;
   for (ModelSafeRoutingInfo::const_iterator it = routing_info.begin();
        it != routing_info.end(); ++it) {
     types.Put(it->first);
   }
   return types;
 }
 
+syncable::FullModelTypeSet GetModelTypesForGroup(
+    ModelSafeGroup group,
+    const ModelSafeRoutingInfo& routing_info) {
+  syncable::FullModelTypeSet result;
+  for (ModelSafeRoutingInfo::const_iterator it = routing_info.begin();
+       it != routing_info.end(); ++it) {
+    if (it->second == group)
+      result.Put(it->first);
+  }
+  return result;
+}
+
 ModelSafeGroup GetGroupForModelType(const syncable::ModelType type,
                                     const ModelSafeRoutingInfo& routes) {
   ModelSafeRoutingInfo::const_iterator it = routes.find(type);
   if (it == routes.end()) {
     if (type != syncable::UNSPECIFIED && type != syncable::TOP_LEVEL_FOLDER)
       LOG(WARNING) << "Entry does not belong to active ModelSafeGroup!";
     return GROUP_PASSIVE;
   }
   return it->second;
 }
@@ skipping 14 matching lines @@
       return "GROUP_PASSWORD";
     default:
       NOTREACHED();
       return "INVALID";
   }
 }
 
 ModelSafeWorker::~ModelSafeWorker() {}
 
 }  // namespace browser_sync