Remove the protector service.

chrome/browser/search_engines/util.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_UTIL_H_
 #define CHROME_BROWSER_SEARCH_ENGINES_UTIL_H_
 
 // This file contains utility functions for search engine functionality.
 #include <set>
 #include <string>
@@ skipping 32 matching lines @@
     TemplateURLService::TemplateURLVector* template_urls,
     TemplateURL** default_search_provider,
     int* new_resource_keyword_version,
     std::set<std::string>* removed_keyword_guids);
 
 // Due to a bug, the |input_encodings| field of TemplateURLData could have
 // contained duplicate entries.  This removes those entries and returns whether
 // any were found.
 bool DeDupeEncodings(std::vector<std::string>* encodings);
 
-// Returns true if the default search provider setting has been changed or
-// corrupted. Returns the backup setting in |backup_default_search_provider|.
-// |*backup_default_search_provider| can be NULL if the original setting is
-// lost.
-bool DidDefaultSearchProviderChange(
-    const WDTypedResult& result,
-    Profile* profile,
-    scoped_ptr<TemplateURL>* backup_default_search_provider);
-
 // Removes (and deletes) TemplateURLs from |template_urls| and |service| if they
 // have duplicate prepopulate ids. If |removed_keyword_guids| is not NULL, the
 // Sync GUID of each item removed from the DB will be added to it. This is a
 // helper used by GetSearchProvidersUsingKeywordResult(), but is declared here
 // so it's accessible by unittests.
 void RemoveDuplicatePrepopulateIDs(
     WebDataService* service,
     const ScopedVector<TemplateURL>& prepopulated_urls,
     TemplateURL* default_search_provider,
     TemplateURLService::TemplateURLVector* template_urls,
     std::set<std::string>* removed_keyword_guids);
 
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_UTIL_H_