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

chrome/browser/ui/app_list/app_list_controller_delegate.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_APP_LIST_APP_LIST_CONTROLLER_DELEGATE_H_
 #define CHROME_BROWSER_UI_APP_LIST_APP_LIST_CONTROLLER_DELEGATE_H_
 
 #include <string>
 
 #include "ui/gfx/native_widget_types.h"
 
+class FilePath;
 class Profile;
 
 namespace extensions {
 class Extension;
 }
 
 // Interface to allow the view delegate to call out to whatever is controlling
 // the app list. This will have different implementations for different
 // platforms.
 class AppListControllerDelegate {
@@ skipping 35 matching lines @@
   virtual void ActivateApp(Profile* profile,
                            const extensions::Extension* extension,
                            int event_flags) = 0;
 
   // Launch the app.
   virtual void LaunchApp(Profile* profile,
                          const extensions::Extension* extension,
                          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_