Revert of Make extensions DSE persistent in browser prefs

components/search_engines/search_engines_test_util.cc

-// Copyright 2016 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/search_engines/search_engines_test_util.h"
-
-#include "base/macros.h"
-#include "base/memory/ptr_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "components/search_engines/default_search_manager.h"
-#include "components/search_engines/template_url.h"
-#include "components/search_engines/template_url_data.h"
-#include "components/search_engines/template_url_data_util.h"
-#include "components/sync_preferences/testing_pref_service_syncable.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-std::unique_ptr<TemplateURLData> GenerateDummyTemplateURLData(
-    const std::string& provider_name) {
-  auto data = base::MakeUnique<TemplateURLData>();
-  data->SetShortName(base::UTF8ToUTF16(provider_name + "name"));
-  data->SetKeyword(base::UTF8ToUTF16(provider_name + "key"));
-  data->SetURL(std::string("http://") + provider_name + "foo/{searchTerms}");
-  data->suggestions_url = std::string("http://") + provider_name + "sugg";
-  data->alternate_urls.push_back(std::string("http://") + provider_name +
-                                 "foo/alt");
-  data->favicon_url = GURL("http://icon1");
-  data->safe_for_autoreplace = true;
-  data->input_encodings = {"UTF-8", "UTF-16"};
-  data->date_created = base::Time();
-  data->last_modified = base::Time();
-  return data;
-}
-
-void ExpectSimilar(const TemplateURLData* expected,
-                   const TemplateURLData* actual) {
-  ASSERT_TRUE(expected);
-  ASSERT_TRUE(actual);
-
-  EXPECT_EQ(expected->short_name(), actual->short_name());
-  EXPECT_EQ(expected->keyword(), actual->keyword());
-  EXPECT_EQ(expected->url(), actual->url());
-  EXPECT_EQ(expected->suggestions_url, actual->suggestions_url);
-  EXPECT_EQ(expected->instant_url, actual->instant_url);
-  EXPECT_EQ(expected->image_url, actual->image_url);
-  EXPECT_EQ(expected->new_tab_url, actual->new_tab_url);
-  EXPECT_EQ(expected->contextual_search_url, actual->contextual_search_url);
-
-  EXPECT_EQ(expected->search_url_post_params, actual->search_url_post_params);
-  EXPECT_EQ(expected->suggestions_url_post_params,
-            actual->suggestions_url_post_params);
-  EXPECT_EQ(expected->instant_url_post_params, actual->instant_url_post_params);
-  EXPECT_EQ(expected->image_url_post_params, actual->image_url_post_params);
-
-  EXPECT_EQ(expected->favicon_url, actual->favicon_url);
-  EXPECT_EQ(expected->safe_for_autoreplace, actual->safe_for_autoreplace);
-  EXPECT_EQ(expected->input_encodings, actual->input_encodings);
-  EXPECT_EQ(expected->alternate_urls, actual->alternate_urls);
-  EXPECT_TRUE(TemplateURL::SearchTermsReplacementKeysMatch(
-      expected->search_terms_replacement_key,
-      actual->search_terms_replacement_key));
-}
-
-void SetExtensionDefaultSearchInPrefs(
-    sync_preferences::TestingPrefServiceSyncable* prefs,
-    const TemplateURLData& data) {
-  std::unique_ptr<base::DictionaryValue> entry =
-      TemplateURLDataToDictionary(data);
-  prefs->SetExtensionPref(
-      DefaultSearchManager::kDefaultSearchProviderDataPrefName,
-      entry.release());
-}
-
-void RemoveExtensionDefaultSearchFromPrefs(
-    sync_preferences::TestingPrefServiceSyncable* prefs) {
-  prefs->RemoveExtensionPref(
-      DefaultSearchManager::kDefaultSearchProviderDataPrefName);
-}