Merge //content/child/permissions into Blink's permissions module.

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/callback/WebClosure.h",
       "platform/Platform.h",
       "platform/FilePathConversion.h",
@@ skipping 246 matching lines @@
       "platform/modules/indexeddb/WebIDBTypes.h",
       "platform/modules/indexeddb/WebIDBValue.h",
       "platform/modules/installedapp/WebInstalledAppClient.h",
       "platform/modules/mediasession/WebMediaSession.h",
       "platform/modules/mediasession/WebMediaSessionError.h",
       "platform/modules/notifications/WebNotificationAction.h",
       "platform/modules/notifications/WebNotificationData.h",
       "platform/modules/notifications/WebNotificationDelegate.h",
       "platform/modules/notifications/WebNotificationManager.h",
       "platform/modules/notifications/WebNotificationResources.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",
       "platform/modules/presentation/WebPresentationController.h",
       "platform/modules/presentation/WebPresentationError.h",
       "platform/modules/push_messaging/WebPushClient.h",
       "platform/modules/push_messaging/WebPushError.h",
       "platform/modules/push_messaging/WebPushPermissionStatus.h",
       "platform/modules/push_messaging/WebPushProvider.h",
       "platform/modules/push_messaging/WebPushSubscription.h",
       "platform/modules/push_messaging/WebPushSubscriptionOptions.h",
@@ skipping 197 matching lines @@
       "web/modules/serviceworker/WebServiceWorkerContextClient.h",
       "web/modules/serviceworker/WebServiceWorkerContextProxy.h",
       "web/modules/serviceworker/WebServiceWorkerNetworkProvider.h",
       "web/modules/webmidi/WebMIDIClient.h",
       "web/modules/webmidi/WebMIDIOptions.h",
       "web/modules/webmidi/WebMIDIPermissionRequest.h",
       "web/win/WebFontRendering.h",
     ],
   },
 }