Mandate unique_ptr for base::IDMap in IDMapOwnPointer mode.

content/renderer/push_messaging/push_messaging_dispatcher.h

 // Copyright 2014 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_PUSH_MESSAGING_PUSH_MESSAGING_DISPATCHER_H_
 #define CONTENT_RENDERER_PUSH_MESSAGING_PUSH_MESSAGING_DISPATCHER_H_
 
 #include <stdint.h>
+
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/id_map.h"
 #include "base/macros.h"
 #include "content/public/common/push_messaging_status.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "third_party/WebKit/public/platform/modules/push_messaging/WebPushClient.h"
 #include "third_party/WebKit/public/platform/modules/push_messaging/WebPushPermissionStatus.h"
 
@@ skipping 21 matching lines @@
 
  private:
   // RenderFrameObserver implementation.
   bool OnMessageReceived(const IPC::Message& message) override;
   void OnDestruct() override;
 
   // WebPushClient implementation.
   void subscribe(
       blink::WebServiceWorkerRegistration* service_worker_registration,
       const blink::WebPushSubscriptionOptions& options,
-      blink::WebPushSubscriptionCallbacks* callbacks) override;
+      std::unique_ptr<blink::WebPushSubscriptionCallbacks> callbacks) override;
 
   void DidGetManifest(
       blink::WebServiceWorkerRegistration* service_worker_registration,
       const blink::WebPushSubscriptionOptions& options,
-      blink::WebPushSubscriptionCallbacks* callbacks,
+      std::unique_ptr<blink::WebPushSubscriptionCallbacks> callbacks,
       const GURL& manifest_url,
       const Manifest& manifest,
       const ManifestDebugInfo&);
 
   void DoSubscribe(
       blink::WebServiceWorkerRegistration* service_worker_registration,
       const PushSubscriptionOptions& options,
-      blink::WebPushSubscriptionCallbacks* callbacks);
+      std::unique_ptr<blink::WebPushSubscriptionCallbacks> callbacks);
 
   void OnSubscribeFromDocumentSuccess(int32_t request_id,
                                       const GURL& endpoint,
                                       const PushSubscriptionOptions& options,
                                       const std::vector<uint8_t>& p256dh,
                                       const std::vector<uint8_t>& auth);
 
   void OnSubscribeFromDocumentError(int32_t request_id,
                                     PushRegistrationStatus status);
 
   IDMap<blink::WebPushSubscriptionCallbacks, IDMapOwnPointer>
       subscription_callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(PushMessagingDispatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PUSH_MESSAGING_PUSH_MESSAGING_DISPATCHER_H_