Decoupled the SchemaRegistryService from SchemaRegistry.

The service is not a SchemaRegistry anymore but owns one instead. This
enables the service to own subclasses of SchemaRegistry.

Also added a ForwardingSchemaRegisy, which wraps another
SchemaRegistry. This will be used in a future CL.

R=bartfab@chromium.org
TBR=kalman@chromium.org
BUG=224596

Review URL: https://codereview.chromium.org/349643002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@278735 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 80bfae1142d44fa37e51d9bec0610c3010796642
3 files changed
tree: 636657b2a2407aa38b91925124db0d261a25f8fd
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/