Hide experimental app list Google logo and custom launcher page when search engine is not Google.

ui/app_list/views/start_page_view.cc

Index: ui/app_list/views/start_page_view.cc
diff --git a/ui/app_list/views/start_page_view.cc b/ui/app_list/views/start_page_view.cc
index 8ab707f33fd9837c8afbfc6d6ac791a8d8a867f2..20353375227af15c950c3569c3fb49ff664ee94c 100644
--- a/ui/app_list/views/start_page_view.cc
+++ b/ui/app_list/views/start_page_view.cc
@@ -317,7 +317,9 @@ void StartPageView::UpdateCustomPageClickzoneVisibility() {
   if (!custom_page_clickzone)
     return;
 
-  if (app_list_main_view_->contents_view()->ShouldShowCustomPageClickzone()) {
+  if (app_list_main_view_->ShouldShowCustomLauncherPage() &&
+      app_list_main_view_->contents_view()->IsStateActive(
+          AppListModel::STATE_START)) {
     custom_page_clickzone->ShowInactive();
     return;
   }