[Sync] Add a sanity integration test for USS.

components/sync/test/fake_server/bookmark_entity.cc

 // Copyright 2014 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 "components/sync/test/fake_server/bookmark_entity.h"
 
 #include <stdint.h>
 
 #include <string>
 
@@ skipping 65 matching lines @@
                                int64_t version,
                                const string& name,
                                const string& originator_cache_guid,
                                const string& originator_client_item_id,
                                const sync_pb::UniquePosition& unique_position,
                                const sync_pb::EntitySpecifics& specifics,
                                bool is_folder,
                                const string& parent_id,
                                int64_t creation_time,
                                int64_t last_modified_time)
-    : FakeServerEntity(id, syncer::BOOKMARKS, version, name),
+    : FakeServerEntity(id, string(), syncer::BOOKMARKS, version, name),
       originator_cache_guid_(originator_cache_guid),
       originator_client_item_id_(originator_client_item_id),
       unique_position_(unique_position),
       is_folder_(is_folder),
       parent_id_(parent_id),
       creation_time_(creation_time),
       last_modified_time_(last_modified_time) {
   SetSpecifics(specifics);
 }
 
@@ skipping 21 matching lines @@
 
   sync_pb::UniquePosition* unique_position = proto->mutable_unique_position();
   unique_position->CopyFrom(unique_position_);
 }
 
 bool BookmarkEntity::IsFolder() const {
   return is_folder_;
 }
 
 }  // namespace fake_server