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

chrome/browser/ui/app_list/app_list_controller_delegate.h

Index: chrome/browser/ui/app_list/app_list_controller_delegate.h
diff --git a/chrome/browser/ui/app_list/app_list_controller_delegate.h b/chrome/browser/ui/app_list/app_list_controller_delegate.h
index 9c19c6d02ad0ec931ddef5db89b64058b8d0a089..b6c59692a6c6ac7127096d76a2d10ccfa731fd01 100644
--- a/chrome/browser/ui/app_list/app_list_controller_delegate.h
+++ b/chrome/browser/ui/app_list/app_list_controller_delegate.h
@@ -9,6 +9,7 @@
 
 #include "ui/gfx/native_widget_types.h"
 
+class FilePath;
 class Profile;
 
 namespace extensions {
@@ -64,4 +65,17 @@ class AppListControllerDelegate {
                          int event_flags) = 0;
 };
 
+namespace chrome {
+
+// Do any once off initialization needed for the app list.
+void InitAppList(Profile* default_profile);
+
+// Show the app list.
+void ShowAppList(Profile* default_profile);
+
+// Change the profile path used for populating the app list.
+void UpdateProfilePath(const FilePath& profile_file_path);
+
+}  // namespace chrome
+
 #endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_CONTROLLER_DELEGATE_H_