Move CrosSettings out from //chrome/browser

So that it can be referred from components, specifically there's
a plan for UserManager to depend on it (on moving more code
from ChromeUserManagerImpl to UserManagerBase).

Along with the plan, //components/user_manager is split into
two targets, so CrosSettings can keep depending on user_type.h,
while in future CLs, UserManager can keep depending on CrosSettings.

BUG=278643115
TEST=Tryjob

Change-Id: Ic1febe1efca1e0bba78e518771c5b668b6442d3f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5439672
Reviewed-by: Fumitoshi Ukai <[email protected]>
Reviewed-by: David Roger <[email protected]>
Reviewed-by: Lei Zhang <[email protected]>
Reviewed-by: Xiyuan Xia <[email protected]>
Commit-Queue: Hidehiko Abe <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1284982}
diff --git a/chrome/browser/ui/webui/help/help_utils_chromeos.cc b/chrome/browser/ui/webui/help/help_utils_chromeos.cc
index 5b452f7e7..49db3e7 100644
--- a/chrome/browser/ui/webui/help/help_utils_chromeos.cc
+++ b/chrome/browser/ui/webui/help/help_utils_chromeos.cc
@@ -11,7 +11,7 @@
 #include "ash/constants/ash_switches.h"
 #include "base/logging.h"
 #include "base/values.h"
-#include "chrome/browser/ash/settings/cros_settings.h"
+#include "chromeos/ash/components/settings/cros_settings.h"
 #include "chromeos/ash/components/settings/cros_settings_names.h"
 
 namespace help_utils_chromeos {