[iOS CBCM] Move DM token storage to components

Moves BrowserDMTokenStorage to components/enterprise so it can be
reused on iOS. Unit tests will follow in a separate change to keep the
CL from getting too big.

Bug: 1091929
Change-Id: Id2f854b004d70d593bc28e735b478251d3aec7d7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2267645
Reviewed-by: Julian Pastarmov <[email protected]>
Reviewed-by: Avi Drissman <[email protected]>
Reviewed-by: Daniel Rubery <[email protected]>
Commit-Queue: Guillaume Jenkins <[email protected]>
Cr-Commit-Position: refs/heads/master@{#784010}
diff --git a/chrome/browser/DEPS b/chrome/browser/DEPS
index c0f59b3f..889ee19 100644
--- a/chrome/browser/DEPS
+++ b/chrome/browser/DEPS
@@ -109,6 +109,7 @@
   "+components/drive",
   "+components/embedder_support",
   "+components/encrypted_messages",
+  "+components/enterprise",
   "+components/exo",
   "+components/external_intents",
   "+components/favicon_base",