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

components/omnibox/browser/autocomplete_match_unittest.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/omnibox/browser/autocomplete_match.h"
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 171 matching lines @@
                           "https://xn--1lq90ic7f1rc.cn/", true  },
   };
 
   for (size_t i = 0; i < arraysize(cases); ++i) {
     SCOPED_TRACE("input=" + base::WideToUTF8(cases[i].input) +
                  " url1=" + cases[i].url1 + " url2=" + cases[i].url2);
     AutocompleteInput input(
         base::WideToUTF16(cases[i].input), base::string16::npos, std::string(),
         GURL(), metrics::OmniboxEventProto::INVALID_SPEC, false, false, true,
         true, false, TestSchemeClassifier());
-    AutocompleteMatch m1(NULL, 100, false,
+    AutocompleteMatch m1(nullptr, 100, false,
                          AutocompleteMatchType::URL_WHAT_YOU_TYPED);
     m1.destination_url = GURL(cases[i].url1);
-    m1.ComputeStrippedDestinationURL(input, "zh-CN", NULL);
-    AutocompleteMatch m2(NULL, 100, false,
+    m1.ComputeStrippedDestinationURL(input, nullptr);
+    AutocompleteMatch m2(nullptr, 100, false,
                          AutocompleteMatchType::URL_WHAT_YOU_TYPED);
     m2.destination_url = GURL(cases[i].url2);
-    m2.ComputeStrippedDestinationURL(input, "zh-CN", NULL);
+    m2.ComputeStrippedDestinationURL(input, nullptr);
     EXPECT_EQ(cases[i].expected_duplicate,
               AutocompleteMatch::DestinationsEqual(m1, m2));
   }
 }