Enable profile switching for standalone App Launcher via the Settings App.

chrome/browser/ui/ash/app_list/app_list_controller_ash.cc

Index: chrome/browser/ui/ash/app_list/app_list_controller_ash.cc
diff --git a/chrome/browser/ui/ash/app_list/app_list_controller_ash.cc b/chrome/browser/ui/ash/app_list/app_list_controller_ash.cc
index 865e297879c3a34dd3390de5f9ddbb26303831b5..8aee7530a25d9c978b03a9f8245ae7426024cb9d 100644
--- a/chrome/browser/ui/ash/app_list/app_list_controller_ash.cc
+++ b/chrome/browser/ui/ash/app_list/app_list_controller_ash.cc
@@ -68,9 +68,13 @@ void AppListControllerDelegateAsh::LaunchApp(
 namespace chrome {
 
 #if defined(OS_CHROMEOS)
-void ShowAppList() {
+void ShowAppList(Profile* default_profile) {
   ash::Shell::GetInstance()->ToggleAppList(NULL);
 }
 #endif
 
+bool IsAppListVisible() {
+  return ash::Shell::GetInstance()->GetAppListWindow() != NULL;
+}
+
 }  // namespace chrome