Mandate unique_ptr for base::IDMap in IDMapOwnPointer mode.

content/renderer/cache_storage/webserviceworkercachestorage_impl.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_SERVICE_WORKER_WEB_SERVICE_WORKER_CACHE_STORAGE_IMPL_H_
 #define CONTENT_RENDERER_SERVICE_WORKER_WEB_SERVICE_WORKER_CACHE_STORAGE_IMPL_H_
 
+#include <memory>
+
 #include "base/macros.h"
 #include "content/child/thread_safe_sender.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerCache.h"
 #include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerCacheError.h"
 #include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerCacheStorage.h"
 #include "url/origin.h"
 
 namespace content {
 
 class CacheStorageDispatcher;
 class ThreadSafeSender;
 
 // This corresponds to an instance of the script-facing CacheStorage object.
 // One exists per script execution context (window, worker) and has an origin
 // which provides a namespace for the caches. Script calls to the CacheStorage
 // object are routed through here to the (per-thread) dispatcher then on to
 // the browser, with the origin added to the call parameters. Cache instances
 // returned by open() calls are minted by and implemented within the code of
 // the CacheStorageDispatcher, and include routing information.
 class WebServiceWorkerCacheStorageImpl
     : public blink::WebServiceWorkerCacheStorage {
  public:
   WebServiceWorkerCacheStorageImpl(ThreadSafeSender* thread_safe_sender,
                                    const url::Origin& origin);
   ~WebServiceWorkerCacheStorageImpl() override;
 
   // From WebServiceWorkerCacheStorage:
-  void dispatchHas(CacheStorageCallbacks* callbacks,
+  void dispatchHas(std::unique_ptr<CacheStorageCallbacks> callbacks,
                    const blink::WebString& cacheName) override;
-  void dispatchOpen(CacheStorageWithCacheCallbacks* callbacks,
+  void dispatchOpen(std::unique_ptr<CacheStorageWithCacheCallbacks> callbacks,
                     const blink::WebString& cacheName) override;
-  void dispatchDelete(CacheStorageCallbacks* callbacks,
+  void dispatchDelete(std::unique_ptr<CacheStorageCallbacks> callbacks,
                       const blink::WebString& cacheName) override;
-  void dispatchKeys(CacheStorageKeysCallbacks* callbacks) override;
+  void dispatchKeys(
+      std::unique_ptr<CacheStorageKeysCallbacks> callbacks) override;
   void dispatchMatch(
-      CacheStorageMatchCallbacks* callbacks,
+      std::unique_ptr<CacheStorageMatchCallbacks> callbacks,
       const blink::WebServiceWorkerRequest& request,
       const blink::WebServiceWorkerCache::QueryParams& query_params) override;
 
  private:
   // Helper to return the thread-specific dispatcher.
   CacheStorageDispatcher* GetDispatcher() const;
 
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
   const url::Origin origin_;
 
   DISALLOW_COPY_AND_ASSIGN(WebServiceWorkerCacheStorageImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_SERVICE_WORKER_WEB_SERVICE_WORKER_CACHE_STORAGE_IMPL_H_