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

chrome/browser/profiles/profile_manager.h

 // Copyright (c) 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.
 
 // This class keeps track of the currently-active profiles in the runtime.
 
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_MANAGER_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_MANAGER_H_
 
 #include <list>
@@ skipping 80 matching lines @@
 
   // Returns the directory where the first created profile is stored,
   // relative to the user data directory currently in use..
   FilePath GetInitialProfileDir();
 
   // Get the Profile last used (the Profile to which owns the most recently
   // focused window) with this Chrome build. If no signed profile has been
   // 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();
 
   // Get the Profiles which are currently open, i.e., have open browsers, or
   // were open the last time Chrome was running. The Profiles appear in the
   // order they were opened. The last used profile will be on the list, but its
   // index on the list will depend on when it was opened (it is not necessarily
   // the last one).
   std::vector<Profile*> GetLastOpenedProfiles(const FilePath& user_data_dir);
 
@@ skipping 246 matching lines @@
 class ProfileManagerWithoutInit : public ProfileManager {
  public:
   explicit ProfileManagerWithoutInit(const FilePath& user_data_dir);
 
  protected:
   virtual void DoFinalInitForServices(Profile*, bool) OVERRIDE {}
   virtual void DoFinalInitLogging(Profile*) OVERRIDE {}
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_MANAGER_H_