Mojo C++ bindings: extract code shared by different variants.

third_party/WebKit/Source/modules/notifications/NotificationManager.h

 // Copyright 2016 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.
 
 #ifndef NotificationManager_h
 #define NotificationManager_h
 
 #include "core/dom/ContextLifecycleObserver.h"
 #include "core/dom/ExecutionContext.h"
 #include "public/platform/modules/notifications/notification_service.mojom-blink.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
-namespace mojom {
-namespace blink {
-enum class PermissionStatus;
-}
-}
-
 // The notification manager, unique to the execution context, is responsible for
 // connecting and communicating with the Mojo notification service.
 //
 // TODO(peter): Make the NotificationManager responsible for resource loading.
 class NotificationManager final
     : public GarbageCollectedFinalized<NotificationManager>
     , public ContextLifecycleObserver
     , public Supplement<ExecutionContext> {
     USING_GARBAGE_COLLECTED_MIXIN(NotificationManager);
     WTF_MAKE_NONCOPYABLE(NotificationManager);
@@ skipping 14 matching lines @@
 
 private:
     explicit NotificationManager(ExecutionContext*);
 
     mojom::blink::NotificationServicePtr m_service;
 };
 
 } // namespace blink
 
 #endif // NotificationManager_h