Create TemplateUrlData to base::Dictionary utility functions

components/search_engines/template_url_data_util.h

+// 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.
+
+#ifndef COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_DATA_UTIL_H_
+#define COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_DATA_UTIL_H_
+
+#include <memory>
+
+namespace base {
+class DictionaryValue;
+}
+
+namespace TemplateURLPrepopulateData {
+struct PrepopulatedEngine;
+}
+
+struct TemplateURLData;
+
+// Deserializes a TemplateURLData from |dict|.
+std::unique_ptr<TemplateURLData> TemplateURLDataFromDictionary(
+    const base::DictionaryValue& dict);
+
+// Serializes a TemplateURLData to |dict|

[Peter Kasting, 2016/11/21 02:17:07]

Nit: Trailing period

+std::unique_ptr<base::DictionaryValue> TemplateURLDataToDictionary(
+    const TemplateURLData& turl_data);
+
+// Create TemplateURLData structure from PrepopulatedEngine structure.
+std::unique_ptr<TemplateURLData> TemplateURLDataFromPrepopulatedEngine(
+    const TemplateURLPrepopulateData::PrepopulatedEngine& engine);
+
+// Deserializes a TemplateURLData from |dict| as stored in
+// kSearchProviderOverrides pref. Name of values in |dict| are different from

[Peter Kasting, 2016/11/21 02:17:07]

Nit: Maybe this second sentence would be slightly more grammatical? "The field
names in |dict| differ from those used in the To/FromDictionary functions above
for historical reasons."

+// serialization functions above for historical reasons.
+// TODO(a-v-y) Migrate to single TemplateURLData serialization format.
+std::unique_ptr<TemplateURLData> TemplateURLDataFromOverrideDictionary(
+    const base::DictionaryValue& engine);
+
+#endif  // COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_DATA_UTIL_H_