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

chrome/browser/profiles/profile_manager.h

Index: chrome/browser/profiles/profile_manager.h
diff --git a/chrome/browser/profiles/profile_manager.h b/chrome/browser/profiles/profile_manager.h
index 9d1e03f7be98e6f2588722ed9ca352026de91515..ab99129b1cf87f47ceb51525ec7a7551ca9f792f 100644
--- a/chrome/browser/profiles/profile_manager.h
+++ b/chrome/browser/profiles/profile_manager.h
@@ -98,6 +98,8 @@ class ProfileManager : public base::NonThreadSafe,
   // stored in Local State, hand back the Default profile.
   Profile* GetLastUsedProfile(const FilePath& user_data_dir);
 
+  Profile* GetAppListProfile(const FilePath& user_data_dir);

[tapted, 2013/01/17 04:23:31]

I think there is a case for putting this into app_list_util.h -- that will keep
the getter/setter in the same place.

[benwells, 2013/01/17 04:30:29]

I like having the getter/setter in the same place. I got the impression sail
didn't think this should go here from that other review.

[koz (OOO until 15th September), 2013/01/18 05:37:33]

Done.

+
   // Same as instance method but provides the default user_data_dir as well.
   static Profile* GetLastUsedProfile();