Part 2 of base::IDMap refactor to eliminate IDMapOwnPointer/IDMapExternalPointer modes

content/renderer/presentation/presentation_dispatcher.h

 // 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.
 
 #ifndef CONTENT_RENDERER_PRESENTATION_PRESENTATION_DISPATCHER_H_
 #define CONTENT_RENDERER_PRESENTATION_PRESENTATION_DISPATCHER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 140 matching lines @@
   using MessageRequestQueue = std::queue<std::unique_ptr<SendMessageRequest>>;
   MessageRequestQueue message_request_queue_;
 
   enum class ListeningState {
     INACTIVE,
     WAITING,
     ACTIVE,
   };
 
   using AvailabilityCallbacksMap =
-      IDMap<blink::WebPresentationAvailabilityCallbacks, IDMapOwnPointer>;
+      IDMap<std::unique_ptr<blink::WebPresentationAvailabilityCallbacks>>;
   using AvailabilityObserversSet =
       std::set<blink::WebPresentationAvailabilityObserver*>;
 
   // Tracks status of presentation displays availability for |availability_url|.
   struct AvailabilityStatus {
     explicit AvailabilityStatus(const GURL& availability_url);
     ~AvailabilityStatus();
 
     const GURL url;
     bool last_known_availability;
     ListeningState listening_state;
     AvailabilityCallbacksMap availability_callbacks;
     AvailabilityObserversSet availability_observers;
   };
 
   // Map of AvailabilityStatus for known URLs.
   std::map<GURL, std::unique_ptr<AvailabilityStatus>>
       availability_status_;
 
   // Updates the listening state of availability for |status| and notifies the
   // client.
   void UpdateListeningState(AvailabilityStatus* status);
 
   DISALLOW_COPY_AND_ASSIGN(PresentationDispatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PRESENTATION_PRESENTATION_DISPATCHER_H_