Switch to using scoped_ptr with UserData

content/browser/appcache/appcache_host.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_BROWSER_APPCACHE_APPCACHE_HOST_H_
 #define CONTENT_BROWSER_APPCACHE_APPCACHE_HOST_H_
 
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/callback.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/observer_list.h"
 #include "content/browser/appcache/appcache_group.h"
 #include "content/browser/appcache/appcache_service_impl.h"
 #include "content/browser/appcache/appcache_storage.h"
 #include "content/common/appcache_interfaces.h"
 #include "content/common/content_export.h"
@@ skipping 86 matching lines @@
 
   const GURL& preferred_manifest_url() const {
     return preferred_manifest_url_;
   }
   void set_preferred_manifest_url(const GURL& url) {
     preferred_manifest_url_ = url;
   }
 
   // Support for loading resources out of the appcache.
   // May return NULL if the request isn't subject to retrieval from an appache.
-  AppCacheRequestHandler* CreateRequestHandler(
+  std::unique_ptr<AppCacheRequestHandler> CreateRequestHandler(
       net::URLRequest* request,
       ResourceType resource_type,
       bool should_reset_appcache);
 
   // Support for devtools inspecting appcache resources.
   void GetResourceList(std::vector<AppCacheResourceInfo>* resource_infos);
 
   // Breaks any existing association between this host and a cache.
   // 'manifest_url' is sent to DevTools as the manifest url that could have
   // been associated before or could be associated later with this host.
@@ skipping 222 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheHostTest, SelectCacheBlocked);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheHostTest, SelectCacheTwice);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheTest, CleanupUnusedCache);
 
   DISALLOW_COPY_AND_ASSIGN(AppCacheHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_HOST_H_