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

components/history/core/test/history_backend_db_base_test.cc

Index: components/history/core/test/history_backend_db_base_test.cc
diff --git a/components/history/core/test/history_backend_db_base_test.cc b/components/history/core/test/history_backend_db_base_test.cc
index 5d77e4f19b6195c533f38a12c1c6a4663fa211fe..604e38cf3e523e5367ad5448e5e8833a38f0c5bc 100644
--- a/components/history/core/test/history_backend_db_base_test.cc
+++ b/components/history/core/test/history_backend_db_base_test.cc
@@ -85,7 +85,7 @@ void HistoryBackendDBBaseTest::TearDown() {
 void HistoryBackendDBBaseTest::CreateBackendAndDatabase() {
   backend_ = new HistoryBackend(new BackendDelegate(this), nullptr,
                                 base::ThreadTaskRunnerHandle::Get());
-  backend_->Init(std::string(), false,
+  backend_->Init(false,
                  TestHistoryDatabaseParamsForPath(history_dir_));
   db_ = backend_->db_.get();
   DCHECK(in_mem_backend_) << "Mem backend should have been set by "
@@ -95,7 +95,7 @@ void HistoryBackendDBBaseTest::CreateBackendAndDatabase() {
 void HistoryBackendDBBaseTest::CreateBackendAndDatabaseAllowFail() {
   backend_ = new HistoryBackend(new BackendDelegate(this), nullptr,
                                 base::ThreadTaskRunnerHandle::Get());
-  backend_->Init(std::string(), false,
+  backend_->Init(false,
                  TestHistoryDatabaseParamsForPath(history_dir_));
   db_ = backend_->db_.get();
 }