Move //chrome/browser/{chromeos => ash}/hats

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

Bug: 1164001
Change-Id: I4f4fc070e42401c4e139a16db4a382b5b7dead3f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2823030
Reviewed-by: Hidehiko Abe <[email protected]>
Owners-Override: Hidehiko Abe <[email protected]>
Commit-Queue: Yeunjoo Choi <[email protected]>
Cr-Commit-Position: refs/heads/master@{#871821}
diff --git a/WATCHLISTS b/WATCHLISTS
index 6d306b8..85ec201 100644
--- a/WATCHLISTS
+++ b/WATCHLISTS
@@ -1073,7 +1073,7 @@
                   'extensions/test/data/(app|web)_view',
     },
     'hats': {
-      'filepath': 'chrome/browser/chromeos/hats/',
+      'filepath': 'chrome/browser/ash/hats/',
     },
     'headless': {
       'filepath': 'headless/'