alternate ntp: persist show-search-provider-logo option at chrome://instant

chrome/browser/autocomplete/zero_suggest_provider.h

Index: chrome/browser/autocomplete/zero_suggest_provider.h
diff --git a/chrome/browser/autocomplete/zero_suggest_provider.h b/chrome/browser/autocomplete/zero_suggest_provider.h
index dec0eedddd18ebffbba948df8d350a55e005595a..8ac8cd991c6ac7196401649b9aa2407308504ea9 100644
--- a/chrome/browser/autocomplete/zero_suggest_provider.h
+++ b/chrome/browser/autocomplete/zero_suggest_provider.h
@@ -26,7 +26,6 @@
 
 class AutocompleteInput;
 class GURL;
-class PrefService;
 class TemplateURLService;
 
 namespace base {
@@ -55,8 +54,6 @@ class ZeroSuggestProvider : public AutocompleteProvider,
   static ZeroSuggestProvider* Create(AutocompleteProviderListener* listener,
                                      Profile* profile);
 
-  static void RegisterUserPrefs(PrefService* user_prefs);
-
   // AutocompleteProvider:
   virtual void Start(const AutocompleteInput& input,
                      bool /*minimal_changes*/) OVERRIDE;