Move components/sync/device_info into new components/sync_device_info

Device info is now just another data type; no need to have the code in
the main sync components. The new location makes the relationship
clearer, and is consistent with others like sync_sessions,
sync_bookmarks etc.

[email protected]
for moved dependency to ui/base

Bug: 947443
Change-Id: I9628fd722aadbc10c8371f2648fa8c815b7431ea
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1583784
Commit-Queue: Marc Treib <[email protected]>
Reviewed-by: Mikel Astiz <[email protected]>
Reviewed-by: Sylvain Defresne <[email protected]>
Reviewed-by: Jeffrey Cohen <[email protected]>
Reviewed-by: Colin Blundell <[email protected]>
Cr-Commit-Position: refs/heads/master@{#657236}
66 files changed