Init shelf browser item status and re-enable test.

chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.cc

Index: chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.cc
diff --git a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.cc b/chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.cc
index f94784b190700ffc72c110912bc250c653e63751..2b0c5303c5c6d41c6035640d0c9fa865e7c3167a 100644
--- a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.cc
+++ b/chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.cc
@@ -1328,11 +1328,13 @@ void ChromeLauncherControllerImpl::CreateBrowserShortcutLauncherItem() {
   browser_shortcut.title = l10n_util::GetStringUTF16(IDS_PRODUCT_NAME);
   ash::ShelfID id = model_->next_id();
   model_->AddAt(0, browser_shortcut);
-  id_to_item_controller_map_[id] =
+  BrowserShortcutLauncherItemController* controller =
       new BrowserShortcutLauncherItemController(this, model_);
-  id_to_item_controller_map_[id]->set_shelf_id(id);
+  controller->set_shelf_id(id);
+  id_to_item_controller_map_[id] = controller;
   // ShelfModel owns BrowserShortcutLauncherItemController.
-  SetShelfItemDelegate(id, id_to_item_controller_map_[id]);
+  SetShelfItemDelegate(id, controller);
+  controller->UpdateBrowserItemState();
 }
 
 bool ChromeLauncherControllerImpl::IsIncognito(