Remove redundant param from Sync FakeServer infra

sync/test/fake_server/bookmark_entity_builder.cc

Index: sync/test/fake_server/bookmark_entity_builder.cc
diff --git a/sync/test/fake_server/bookmark_entity_builder.cc b/sync/test/fake_server/bookmark_entity_builder.cc
index 04e7e97fecbe0cae3385a3a1a8c10b15359d8b05..5abad5812dd177a00778631ddf8a39d9d15be770 100644
--- a/sync/test/fake_server/bookmark_entity_builder.cc
+++ b/sync/test/fake_server/bookmark_entity_builder.cc
@@ -20,7 +20,6 @@
 
 using std::string;
 
-using syncer::ModelType;
 using syncer::syncable::GenerateSyncableBookmarkHash;
 
 // A version must be passed when creating a FakeServerEntity, but this value
@@ -65,7 +64,6 @@ scoped_ptr<FakeServerEntity> BookmarkEntityBuilder::Build() {
 
   return make_scoped_ptr<FakeServerEntity>(
       new BookmarkEntity(id_,
-                         model_type_,
                          kUnusedVersion,
                          name_,
                          originator_cache_guid_,