Remove the protector service.

chrome/browser/search_engines/util.h

Index: chrome/browser/search_engines/util.h
diff --git a/chrome/browser/search_engines/util.h b/chrome/browser/search_engines/util.h
index ebb40761e7f79512fe5e93a91be6147a86559c7e..41a20df9eb80470e8f6143390683385854b1c8f5 100644
--- a/chrome/browser/search_engines/util.h
+++ b/chrome/browser/search_engines/util.h
@@ -50,15 +50,6 @@ void GetSearchProvidersUsingKeywordResult(
 // 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