Add support for child accounts on Android.

chrome/browser/profiles/profile_manager.cc

 // 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.
 
 #include "chrome/browser/profiles/profile_manager.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 1000 matching lines @@
   // blockable extensions to block.
   size_t profile_index = cache.GetIndexOfProfileWithPath(profile->GetPath());
   if (profile_index != std::string::npos &&
       cache.ProfileIsSigninRequiredAtIndex(profile_index)) {
     extensions::ExtensionSystem::Get(profile)
         ->extension_service()
         ->BlockAllExtensions();
   }
 
 #endif
-#if defined(ENABLE_SUPERVISED_USERS) && !defined(OS_ANDROID)
+#if defined(ENABLE_SUPERVISED_USERS)
   // Initialization needs to happen after extension system initialization (for
   // extension::ManagementPolicy) and InitProfileUserPrefs (for setting the
   // initializing the supervised flag if necessary).
   ChildAccountServiceFactory::GetForProfile(profile)->Init();
   SupervisedUserServiceFactory::GetForProfile(profile)->Init();
 #endif
   // Start the deferred task runners once the profile is loaded.
   StartupTaskRunnerServiceFactory::GetForProfile(profile)->
       StartDeferredTaskRunners();
 
@@ skipping 316 matching lines @@
           last_non_supervised_profile_path.BaseName().MaybeAsASCII());
       FinishDeletingProfile(profile_to_delete_path);
     }
   }
 }
 #endif
 
 ProfileManagerWithoutInit::ProfileManagerWithoutInit(
     const base::FilePath& user_data_dir) : ProfileManager(user_data_dir) {
 }