Create TemplateUrlData to base::Dictionary utility functions

components/search_engines/template_url_data_util.h

Index: components/search_engines/template_url_data_util.h
diff --git a/components/search_engines/template_url_data_util.h b/components/search_engines/template_url_data_util.h
new file mode 100644
index 0000000000000000000000000000000000000000..f99ae052cd95b3cc048885b07b1bbf34151a7fc4
--- /dev/null
+++ b/components/search_engines/template_url_data_util.h
@@ -0,0 +1,39 @@
+// 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|.
+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. The field names in |dict| differ from those
+// used in the To/FromDictionary 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_