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

components/omnibox/browser/shortcuts_provider_unittest.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 "components/omnibox/browser/shortcuts_provider.h"
 
 #include <math.h>
 #include <stddef.h>
 
 #include <algorithm>
@@ skipping 168 matching lines @@
 
 class FakeAutocompleteProviderClient
     : public testing::NiceMock<MockAutocompleteProviderClient> {
  public:
   FakeAutocompleteProviderClient()
       : db_thread_("Test DB thread"), pool_owner_(3, "Background Pool") {
     set_template_url_service(
         make_scoped_ptr(new TemplateURLService(nullptr, 0)));
     if (history_dir_.CreateUniqueTempDir()) {
       history_service_ = history::CreateHistoryService(history_dir_.path(),
-                                                       std::string(), true);
+                                                       true);
     }
 
     db_thread_.Start();
     shortcuts_backend_ = new ShortcutsBackend(
         GetTemplateURLService(), make_scoped_ptr(new SearchTermsData()),
         history_service_.get(), db_thread_.task_runner(), base::FilePath(),
         true);
     shortcuts_backend_->Init();
   }
 
@@ skipping 543 matching lines @@
 }
 
 TEST_F(ShortcutsProviderTest, DoesNotProvideOnFocus) {
   AutocompleteInput input(ASCIIToUTF16("about:o"), base::string16::npos,
                           std::string(), GURL(),
                           metrics::OmniboxEventProto::INVALID_SPEC, false,
                           false, true, true, true, TestSchemeClassifier());
   provider_->Start(input, false);
   EXPECT_TRUE(provider_->matches().empty());
 }