Move //mojo/services/X/public/... to //mojo/services/X/... (part 3).

mojo/services/nfc/public/interfaces/nfc.mojom

-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-[DartPackage="mojo_services"]
-module nfc;
-
-struct NfcData {
-  array<uint8>? data;
-};
-
-// Represents an in-progress nfc transmission.
-interface NfcTransmission {
-  // Cancels the nfc transmission.
-  Cancel();
-};
-
-// NfcReceivers can be registered with Nfc to receive nfc messages.
-interface NfcReceiver {
-  OnReceivedNfcData(NfcData nfc_data);
-};
-
-// Nfc allows data to be sent to and received from other MojoShells on Android.
-// Received data is passed to all registered NfcReceivers.
-interface Nfc {
-  // Puts the MojoShell in a state where it will transmit |nfc_data| to the next
-  // Android device to connect to this one via NFC.  This transmission state
-  // will remain active until cancelled via |transmission| or a |success|
-  // response is received indicating whether the transmission was successful
-  // (true) or not (false).  If the Android device transmitted to does not have
-  // MojoShell installed it will be directed to the Play Store to download
-  // MojoShell.
-  TransmitOnNextConnection(NfcData nfc_data, NfcTransmission&? transmission)
-    => (bool success);
-
-  // Registers an app to receive nfc messages.  Upon receiving an nfc message
-  // the app will be connected to.  If the app exposes a NfcReceiver interface
-  // it will be called with the message received.
-  Register();
-
-  // Unregisters an app previously registered via |Register()|.
-  Unregister();
-};