Ensure post-sync TemplateURL of prepopulated engines use built-in version.

chrome/browser/search_engines/template_url_prepopulate_data.h

 // Copyright (c) 2012 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 CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_PREPOPULATE_DATA_H_
 #define CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_PREPOPULATE_DATA_H_
 
 #include <stddef.h>
 #include <string>
 #include <vector>
@@ skipping 25 matching lines @@
 
 #endif
 
 void RegisterUserPrefs(PrefServiceSyncable* prefs);
 
 // Returns the current version of the prepopulate data, so callers can know when
 // they need to re-merge. If the prepopulate data comes from the preferences
 // file then it returns the version specified there.
 int GetDataVersion(PrefService* prefs);
 
+// The caller owns the returned TemplateURL. Returns NULL if |prepopulate_id|
+// does not correspond to a built-in prepopulated engines.
+TemplateURL* MakeTemplateURLFromPrepopulateId(Profile* profile,
+                                              int prepopulate_id);
+
 // Loads the set of TemplateURLs from the prepopulate data.  Ownership of the
 // TemplateURLs is passed to the caller.  On return,
 // |default_search_provider_index| is set to the index of the default search
 // provider.
 void GetPrepopulatedEngines(Profile* profile,
                             std::vector<TemplateURL*>* t_urls,
                             size_t* default_search_provider_index);
 
 // Returns the default search provider specified by the prepopulate data.
 // The caller owns the returned value, which may be NULL.
@@ skipping 10 matching lines @@
 
 // Returns the logo at the specified |size| for |template_url|.  If no logo is
 // known, this will return an empty GURL.
 //
 // NOTE: Must be called on the UI thread.
 GURL GetLogoURL(const TemplateURL& template_url, LogoSize size);
 
 }  // namespace TemplateURLPrepopulateData
 
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_PREPOPULATE_DATA_H_