Move users/ from chrome/browser/chromeos/login/ [1/3]

Move users/[a-d]* to chrome/browser/ash/login/.

This CL is part of the Chrome OS source code directory migration:
https://docs.google.com/document/d/1g-98HpzA8XcoGBWUv1gQNr4rbnD5yfvbtYZyPDDbkaE.

Bug: 1164001
Change-Id: I734d50b7a99f5695b5aac1b29dce4b4dc6357e7a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2721992
Commit-Queue: Henrique Ferreiro <[email protected]>
Reviewed-by: Hidehiko Abe <[email protected]>
Owners-Override: Hidehiko Abe <[email protected]>
Cr-Commit-Position: refs/heads/master@{#859822}
diff --git a/chrome/browser/prefs/browser_prefs.cc b/chrome/browser/prefs/browser_prefs.cc
index f6f0573..84e0870 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -287,6 +287,9 @@
 #include "chrome/browser/ash/login/screens/reset_screen.h"
 #include "chrome/browser/ash/login/session/user_session_manager.h"
 #include "chrome/browser/ash/login/signin/signin_error_notifier_ash.h"
+#include "chrome/browser/ash/login/users/avatar/user_image_manager.h"
+#include "chrome/browser/ash/login/users/avatar/user_image_sync_observer.h"
+#include "chrome/browser/ash/login/users/chrome_user_manager_impl.h"
 #include "chrome/browser/ash/settings/device_settings_cache.h"
 #include "chrome/browser/ash/system/automatic_reboot_manager.h"
 #include "chrome/browser/ash/system/input_device_settings.h"
@@ -299,9 +302,6 @@
 #include "chrome/browser/chromeos/lock_screen_apps/state_controller.h"
 #include "chrome/browser/chromeos/login/security_token_session_controller.h"
 #include "chrome/browser/chromeos/login/startup_utils.h"
-#include "chrome/browser/chromeos/login/users/avatar/user_image_manager.h"
-#include "chrome/browser/chromeos/login/users/avatar/user_image_sync_observer.h"
-#include "chrome/browser/chromeos/login/users/chrome_user_manager_impl.h"
 #include "chrome/browser/chromeos/login/users/multi_profile_user_controller.h"
 #include "chrome/browser/chromeos/net/network_throttling_observer.h"
 #include "chrome/browser/chromeos/plugin_vm/plugin_vm_pref_names.h"