[webnfc] Add public interfaces.

third_party/WebKit/public/blink_headers.gypi

 # 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.
 
 {
   'variables': {
     'blink_public_sources': [
       "platform/Platform.h",
       "platform/WebApplicationCacheHost.h",
       "platform/WebApplicationCacheHostClient.h",
@@ skipping 259 matching lines @@
       "platform/modules/indexeddb/WebIDBKeyPath.h",
       "platform/modules/indexeddb/WebIDBKeyRange.h",
       "platform/modules/indexeddb/WebIDBMetadata.h",
       "platform/modules/indexeddb/WebIDBTypes.h",
       "platform/modules/indexeddb/WebIDBValue.h",
       "platform/modules/mediasession/WebMediaSession.h",
       "platform/modules/mediasession/WebMediaSessionError.h",
       "platform/modules/navigator_services/WebServicePort.h",
       "platform/modules/navigator_services/WebServicePortProvider.h",
       "platform/modules/navigator_services/WebServicePortProviderClient.h",
+      "platform/modules/nfc/WebNFCClient.h",
+      "platform/modules/nfc/WebNFCError.h",
+      "platform/modules/nfc/WebNFCMessage.h",
+      "platform/modules/nfc/WebNFCObserver.h",
+      "platform/modules/nfc/WebNFCPushOptions.h",
+      "platform/modules/nfc/WebNFCPushTarget.h",
+      "platform/modules/nfc/WebNFCWatchOptions.h",
       "platform/modules/notifications/WebNotificationAction.h",
       "platform/modules/notifications/WebNotificationData.h",
       "platform/modules/notifications/WebNotificationDelegate.h",
       "platform/modules/notifications/WebNotificationManager.h",
       "platform/modules/notifications/WebNotificationPermission.h",
       "platform/modules/permissions/WebPermissionClient.h",
       "platform/modules/permissions/WebPermissionObserver.h",
       "platform/modules/permissions/WebPermissionStatus.h",
       "platform/modules/permissions/WebPermissionType.h",
       "platform/modules/presentation/WebPresentationClient.h",
@@ skipping 215 matching lines @@
       "web/mac/WebScrollbarTheme.h",
       "web/mac/WebSubstringUtil.h",
       "web/modules/notifications/WebNotificationPermissionCallback.h",
       "web/modules/serviceworker/WebServiceWorkerContextClient.h",
       "web/modules/serviceworker/WebServiceWorkerContextProxy.h",
       "web/modules/serviceworker/WebServiceWorkerNetworkProvider.h",
       "web/win/WebFontRendering.h",
     ],
   },
 }