Switch to using scoped_ptr with UserData

components/domain_reliability/uploader.cc

 // 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.
 
 #include "components/domain_reliability/uploader.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/supports_user_data.h"
 #include "components/domain_reliability/util.h"
 #include "net/base/load_flags.h"
 #include "net/base/net_errors.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_util.h"
 #include "net/traffic_annotation/network_traffic_annotation.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_fetcher_delegate.h"
@@ skipping 12 matching lines @@
     return base::Bind(&UploadUserData::CreateUploadUserData, depth);
   }
 
   static const void* const kUserDataKey;
 
   int depth() const { return depth_; }
 
  private:
   UploadUserData(int depth) : depth_(depth) {}
 
-  static base::SupportsUserData::Data* CreateUploadUserData(int depth) {
-    return new UploadUserData(depth);
+  static std::unique_ptr<base::SupportsUserData::Data> CreateUploadUserData(
+      int depth) {
+    return base::WrapUnique(new UploadUserData(depth));
   }
 
   int depth_;
 };
 
 const void* const UploadUserData::kUserDataKey =
     &UploadUserData::kUserDataKey;
 
 class DomainReliabilityUploaderImpl
     : public DomainReliabilityUploader, net::URLFetcherDelegate {
@@ skipping 168 matching lines @@
   UploadUserData* data = static_cast<UploadUserData*>(
       request.GetUserData(UploadUserData::kUserDataKey));
   if (!data)
     return 0;
   return data->depth();
 }
 
 void DomainReliabilityUploader::Shutdown() {}
 
 }  // namespace domain_reliability