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

chrome/browser/search_engines/template_url_service.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_SERVICE_H_
 #define CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_H_
 
 #include <list>
 #include <map>
 #include <set>
@@ skipping 428 matching lines @@
   // observers is the responsibility of the caller.  Returns whether
   // |existing_turl| was found in |template_urls_| and thus could be updated.
   // |old_search_terms_data| is passed to SearchHostToURLsMap::Remove().
   //
   // NOTE: This should not be called with an extension keyword as there are no
   // updates needed in that case.
   bool UpdateNoNotify(TemplateURL* existing_turl,
                       const TemplateURL& new_values,
                       const SearchTermsData& old_search_terms_data);
 
+  // If the TemplateURL comes from a prepopulated URL available in the current
+  // country, update all its fields save for the keyword, short name and id so
+  // that they match the internal prepopulated URL. TemplateURLs not coming from
+  // a prepopulated URL are not modified.
+  static void UpdateTemplateURLIfPrepopulated(TemplateURL* existing_turl,
+                                              Profile* profile);
+
   // Returns the preferences we use.
   PrefService* GetPrefs();
 
   // Iterates through the TemplateURLs to see if one matches the visited url.
   // For each TemplateURL whose url matches the visited url
   // SetKeywordSearchTermsForURL is invoked.
   void UpdateKeywordSearchTermsForURL(
       const history::URLVisitedDetails& details);
 
   // If necessary, generates a visit for the site http:// + t_url.keyword().
@@ skipping 210 matching lines @@
 
   // This is used to log the origin of changes to the default search provider.
   // We set this value to increasingly specific values when we know what is the
   // cause/origin of a default search change.
   DefaultSearchChangeOrigin dsp_change_origin_;
 
   DISALLOW_COPY_AND_ASSIGN(TemplateURLService);
 };
 
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_H_