Allow app list tiles to show search results in the experimental app list.

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 2cbe4f68e5dcb1fac2db1755fb991b5d794b2f57..5a69fbff6037e426611b0ac4c938b2f55da5ff39 100644
--- a/ui/app_list/views/app_list_main_view.cc
+++ b/ui/app_list/views/app_list_main_view.cc
@@ -151,6 +151,8 @@ void AppListMainView::AddContentsViews() {
   contents_view_->SetPaintToLayer(true);
   contents_view_->SetFillsBoundsOpaquely(false);
   contents_view_->layer()->SetMasksToBounds(true);
+
+  delegate_->StartSearch();
 }
 
 AppListMainView::~AppListMainView() {
@@ -309,10 +311,7 @@ void AppListMainView::QueryChanged(SearchBoxView* sender) {
   contents_view_->ShowSearchResults(should_show_search);
   UpdateSearchBoxVisibility();
 
-  if (should_show_search)
-    delegate_->StartSearch();
-  else
-    delegate_->StopSearch();
+  delegate_->StartSearch();
 }
 
 void AppListMainView::OnResultInstalled(SearchResult* result) {