Drop |languages| from {Format,Elide}Url* and IDNToUnicode

components/sync_bookmarks/bookmark_data_type_controller_unittest.cc

Index: components/sync_bookmarks/bookmark_data_type_controller_unittest.cc
diff --git a/components/sync_bookmarks/bookmark_data_type_controller_unittest.cc b/components/sync_bookmarks/bookmark_data_type_controller_unittest.cc
index 362c89901789ae223e58e8e4ba1d43cb5944368f..ad9674376aa54e8e7217150f2b84984883f98619 100644
--- a/components/sync_bookmarks/bookmark_data_type_controller_unittest.cc
+++ b/components/sync_bookmarks/bookmark_data_type_controller_unittest.cc
@@ -91,7 +91,7 @@ class SyncBookmarkDataTypeControllerTest : public testing::Test,
         make_scoped_ptr(new bookmarks::TestBookmarkClient())));
     if (bookmark_load_policy == LOAD_MODEL) {
       TestingPrefServiceSimple prefs;
-      bookmark_model_->Load(&prefs, std::string(), base::FilePath(),
+      bookmark_model_->Load(&prefs, base::FilePath(),
                             base::ThreadTaskRunnerHandle::Get(),
                             base::ThreadTaskRunnerHandle::Get());
       bookmarks::test::WaitForBookmarkModelToLoad(bookmark_model_.get());
@@ -169,7 +169,7 @@ TEST_F(SyncBookmarkDataTypeControllerTest, StartBookmarkModelNotReady) {
   EXPECT_EQ(DataTypeController::MODEL_STARTING, bookmark_dtc_->state());
 
   TestingPrefServiceSimple prefs;
-  bookmark_model_->Load(&prefs, std::string(), base::FilePath(),
+  bookmark_model_->Load(&prefs, base::FilePath(),
                        base::ThreadTaskRunnerHandle::Get(),
                        base::ThreadTaskRunnerHandle::Get());
   bookmarks::test::WaitForBookmarkModelToLoad(bookmark_model_.get());