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

chrome/browser/ui/app_list/app_list_util.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_UTIL_H_
 #define CHROME_BROWSER_UI_APP_LIST_APP_LIST_UTIL_H_
 
+class FilePath;
+class PrefServiceSimple;
+class Profile;
+
 namespace chrome {
 
+// TODO(koz/benwells): These functions need to be put somewhere more
+// specific than the chrome namespace.
+
 // Do any once off initialization needed for the app list.
-void InitAppList();
+void InitAppList(Profile* profile);
 
 // Show the app list.
-void ShowAppList();
+void ShowAppList(Profile* profile);
+
+// Register local state preferences for the app list.
+void RegisterAppListPrefs(PrefServiceSimple* prefs);
+
+// Change the profile that the app list is showing.
+void SetAppListProfile(const FilePath& profile_file_path);
+
+// Get the path of the profile to be used with the app list.
+FilePath GetAppListProfilePath(const FilePath& user_data_dir);
+
+// Dismiss the app list.
+void DismissAppList();
+
+// Get the profile the app list is currently showing.
+Profile* GetCurrentAppListProfile();
+
+// Returns true if the app list is visible.

[tapted, 2013/01/26 01:10:08]

perhaps a note that this is only used for tests

[koz (OOO until 15th September), 2013/01/29 00:34:11]

I think it might have uses outside testing later so would rather not.

+bool IsAppListVisible();
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_UTIL_H_