Make extensions DSE persistent in browser prefs (Reland)

components/search_engines/search_engines_test_util.cc

Index: components/search_engines/search_engines_test_util.cc
diff --git a/components/search_engines/search_engines_test_util.cc b/components/search_engines/search_engines_test_util.cc
new file mode 100644
index 0000000000000000000000000000000000000000..9f0560b7504fad0f48e9867e501ada88aa7c08e4
--- /dev/null
+++ b/components/search_engines/search_engines_test_util.cc
@@ -0,0 +1,79 @@
+// 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,
+    const std::string& extension_id) {
+  std::unique_ptr<base::DictionaryValue> entry =
+      TemplateURLDataToDictionary(data);
+  entry->SetString(DefaultSearchManager::kExtensionID, extension_id);
+  prefs->SetExtensionPref(
+      DefaultSearchManager::kDefaultSearchProviderDataPrefName,
+      entry.release());
+}
+
+void RemoveExtensionDefaultSearchFromPrefs(
+    sync_preferences::TestingPrefServiceSyncable* prefs) {
+  prefs->RemoveExtensionPref(
+      DefaultSearchManager::kDefaultSearchProviderDataPrefName);
+}