Remove old (dead) app list code.

ui/app_list/views/app_list_main_view.cc

Index: ui/app_list/views/app_list_main_view.cc
diff --git a/ui/app_list/views/app_list_main_view.cc b/ui/app_list/views/app_list_main_view.cc
index d1cc5e7b828692078006312c4e94b8f4db512900..159545001b50b980a42d8a674ad0948ae9019b55 100644
--- a/ui/app_list/views/app_list_main_view.cc
+++ b/ui/app_list/views/app_list_main_view.cc
@@ -151,9 +151,7 @@ void AppListMainView::ShowAppListWhenReady() {
 }
 
 void AppListMainView::ResetForShow() {
-  if (switches::IsExperimentalAppListEnabled())
-    contents_view_->SetActiveState(AppListModel::STATE_START);
-
+  contents_view_->SetActiveState(AppListModel::STATE_START);
   contents_view_->apps_container_view()->ResetForShowApps();
   // We clear the search when hiding so when app list appears it is not showing
   // search results.
@@ -182,10 +180,6 @@ void AppListMainView::SetDragAndDropHostOfCurrentAppList(
   contents_view_->SetDragAndDropHostOfCurrentAppList(drag_and_drop_host);
 }
 
-bool AppListMainView::ShouldCenterWindow() const {
-  return delegate_->ShouldCenterWindow();
-}
-
 PaginationModel* AppListMainView::GetAppsPaginationModel() {
   return contents_view_->apps_container_view()
       ->apps_grid_view()