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

chrome/browser/engagement/site_engagement_service_unittest.cc

 // Copyright 2015 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 "chrome/browser/engagement/site_engagement_service.h"
 
 #include <utility>
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/macros.h"
@@ skipping 74 matching lines @@
   exploded_reference_time.minute = 0;
   exploded_reference_time.second = 0;
   exploded_reference_time.millisecond = 0;
 
   return base::Time::FromLocalExploded(exploded_reference_time);
 }
 
 scoped_ptr<KeyedService> BuildTestHistoryService(
     content::BrowserContext* context) {
   scoped_ptr<history::HistoryService> service(new history::HistoryService());
-  service->Init(std::string(),
-                history::TestHistoryDatabaseParamsForPath(g_temp_history_dir));
+  service->Init(history::TestHistoryDatabaseParamsForPath(g_temp_history_dir));
   return std::move(service);
 }
 
 }  // namespace
 
 class SiteEngagementScoreTest : public testing::Test {
  public:
   SiteEngagementScoreTest() : score_(&test_clock_) {}
 
   void SetUp() override {
@@ skipping 1266 matching lines @@
                                0, 2);
 
   // Add more points and ensure no more samples are present.
   service->AddPoints(origin1, 0.01);
   service->AddPoints(origin2, 0.01);
   histograms.ExpectTotalCount(SiteEngagementMetrics::kScoreDecayedFromHistogram,
                               4);
   histograms.ExpectTotalCount(SiteEngagementMetrics::kScoreDecayedToHistogram,
                               4);
 }