Move PolicySchema and PolicySchemaRegistry to components/policy/.

This facilitates the refactoring of chrome/browser/policy into a layered
component.

Depends on https://codereview.chromium.org/78823004/

BUG=271392

Review URL: https://codereview.chromium.org/78453005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236785 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: f39e98eb6e1f501e11eb596879a59c1420411500
6 files changed
tree: 562f2c842673944746adbf54b5d2f723234d645a
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. ipc/
  6. mojo/
  7. testing/
  8. third_party/
  9. ui/