Remove groups handling from password manager metrics util

components/password_manager/core/browser/password_manager_metrics_util_unittest.cc

Index: components/password_manager/core/browser/password_manager_metrics_util_unittest.cc
diff --git a/components/password_manager/core/browser/password_manager_metrics_util_unittest.cc b/components/password_manager/core/browser/password_manager_metrics_util_unittest.cc
deleted file mode 100644
index 8efb55d5fb80c8eebec8aa13b6fe7d396c54a857..0000000000000000000000000000000000000000
--- a/components/password_manager/core/browser/password_manager_metrics_util_unittest.cc
+++ /dev/null
@@ -1,82 +0,0 @@
-// Copyright 2013 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/password_manager/core/browser/password_manager_metrics_util.h"
-
-#include <stddef.h>
-
-#include <map>
-
-#include "base/macros.h"
-#include "base/values.h"
-#include "components/password_manager/core/common/password_manager_pref_names.h"
-#include "components/prefs/pref_registry_simple.h"
-#include "components/prefs/scoped_user_pref_update.h"
-#include "components/prefs/testing_pref_service.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace password_manager {
-
-class PasswordManagerMetricsUtilTest : public testing::Test {
- protected:
-  void SetUp() override {
-    testing::Test::SetUp();
-    prefs_.registry()->RegisterListPref(
-        prefs::kPasswordManagerGroupsForDomains);
-  }
-
-  bool IsMonitored(const char* url_host) {
-    size_t group_id = metrics_util::MonitoredDomainGroupId(url_host, &prefs_);
-    return group_id > 0;
-  }
-
-  TestingPrefServiceSimple prefs_;
-};
-
-TEST_F(PasswordManagerMetricsUtilTest, MonitoredDomainGroupAssigmentTest) {
-  const char* const kMonitoredWebsites[] = {
-      "https://www.google.com",   "https://www.yahoo.com",
-      "https://www.baidu.com",    "https://www.wikipedia.org",
-      "https://www.linkedin.com", "https://www.twitter.com",
-      "https://www.facebook.com", "https://www.amazon.com",
-      "https://www.ebay.com",     "https://www.tumblr.com",
-  };
-  const size_t kMonitoredWebsitesLength = arraysize(kMonitoredWebsites);
-
-  // |groups| maps the group id to the number of times the group gets assigned.
-  std::map<size_t, size_t> groups;
-
-  // Provide all possible values of the group id parameter for each monitored
-  // website.
-  for (size_t i = 0; i < kMonitoredWebsitesLength; ++i) {
-    for (size_t j = 0; j < metrics_util::kGroupsPerDomain; ++j) {
-      {  // Set the group index for domain |i| to |j|.
-        ListPrefUpdate group_indices(&prefs_,
-                                     prefs::kPasswordManagerGroupsForDomains);
-        group_indices->Set(i, new base::FundamentalValue(static_cast<int>(j)));
-      }  // At the end of the scope the prefs get updated.
-
-      ++groups[metrics_util::MonitoredDomainGroupId(kMonitoredWebsites[i],
-                                                    &prefs_)];
-    }
-  }
-  // None of the monitored websites should have been assigned group ID 0.
-  EXPECT_EQ(0u, groups.count(0));
-
-  // Check if all groups get assigned the same number of times.
-  size_t number_of_assigments = groups.begin()->second;
-  for (auto it = groups.begin(); it != groups.end(); ++it) {
-    EXPECT_EQ(it->second, number_of_assigments) << " group id = " << it->first;
-  }
-}
-
-TEST_F(PasswordManagerMetricsUtilTest, MonitoredDomainGroupTest) {
-  EXPECT_TRUE(IsMonitored("https://www.linkedin.com"));
-  EXPECT_TRUE(IsMonitored("https://www.amazon.com"));
-  EXPECT_TRUE(IsMonitored("https://www.facebook.com"));
-  EXPECT_TRUE(IsMonitored("http://wikipedia.org"));
-  EXPECT_FALSE(IsMonitored("http://thisisnotwikipedia.org"));
-}
-
-}  // namespace password_manager