Remove a variety of no-longer-used query params.

ios/chrome/browser/autocomplete/autocomplete_provider_client_impl.cc

Index: ios/chrome/browser/autocomplete/autocomplete_provider_client_impl.cc
diff --git a/ios/chrome/browser/autocomplete/autocomplete_provider_client_impl.cc b/ios/chrome/browser/autocomplete/autocomplete_provider_client_impl.cc
index dd70a62299200ee1ef943985bbb839df6fc2edd5..b3f933eefa30649450571d24c166fc7f10bac840 100644
--- a/ios/chrome/browser/autocomplete/autocomplete_provider_client_impl.cc
+++ b/ios/chrome/browser/autocomplete/autocomplete_provider_client_impl.cc
@@ -6,7 +6,6 @@
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
-#include "components/bookmarks/common/bookmark_pref_names.h"
 #include "components/browser_sync/browser/profile_sync_service.h"
 #include "components/history/core/browser/history_service.h"
 #include "components/keyed_service/core/service_access_type.h"
@@ -132,11 +131,6 @@ bool AutocompleteProviderClientImpl::SearchSuggestEnabled() const {
   return browser_state_->GetPrefs()->GetBoolean(prefs::kSearchSuggestEnabled);
 }
 
-bool AutocompleteProviderClientImpl::BookmarkBarIsVisible() const {
-  return browser_state_->GetPrefs()->GetBoolean(
-      bookmarks::prefs::kShowBookmarkBar);
-}
-
 bool AutocompleteProviderClientImpl::TabSyncEnabledAndUnencrypted() const {
   return sync_driver::IsTabSyncEnabledAndUnencrypted(
       IOSChromeProfileSyncServiceFactory::GetForBrowserState(browser_state_),