Mandate unique_ptr for base::IDMap in IDMapOwnPointer mode.

content/child/quota_dispatcher.h

 // Copyright (c) 2011 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_CHILD_QUOTA_DISPATCHER_H_
 #define CONTENT_CHILD_QUOTA_DISPATCHER_H_
 
 #include <stdint.h>
 
 #include <map>
+#include <memory>
 #include <set>
 
 #include "base/id_map.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "content/public/child/worker_thread.h"
 #include "storage/common/quota/quota_types.h"
 
 class GURL;
 
@@ skipping 34 matching lines @@
       ThreadSafeSender* thread_safe_sender,
       QuotaMessageFilter* quota_message_filter);
 
   // WorkerThread::Observer implementation.
   void WillStopCurrentWorkerThread() override;
 
   void OnMessageReceived(const IPC::Message& msg);
 
   void QueryStorageUsageAndQuota(const GURL& gurl,
                                  storage::StorageType type,
-                                 Callback* callback);
+                                 std::unique_ptr<Callback> callback);
   void RequestStorageQuota(int render_view_id,
                            const GURL& gurl,
                            storage::StorageType type,
                            uint64_t requested_size,
-                           Callback* callback);
+                           std::unique_ptr<Callback> callback);
 
   // Creates a new Callback instance for WebStorageQuotaCallbacks.
-  static Callback* CreateWebStorageQuotaCallbacksWrapper(
+  static std::unique_ptr<Callback> CreateWebStorageQuotaCallbacksWrapper(
       blink::WebStorageQuotaCallbacks callbacks);
 
  private:
   // Message handlers.
   void DidQueryStorageUsageAndQuota(int request_id,
                                     int64_t current_usage,
                                     int64_t current_quota);
   void DidGrantStorageQuota(int request_id,
                             int64_t current_usage,
                             int64_t granted_quota);
   void DidFail(int request_id, storage::QuotaStatusCode error);
 
   IDMap<Callback, IDMapOwnPointer> pending_quota_callbacks_;
 
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
   scoped_refptr<QuotaMessageFilter> quota_message_filter_;
 
   DISALLOW_COPY_AND_ASSIGN(QuotaDispatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_QUOTA_DISPATCHER_H_