Update SupportsUserData uses with unique_ptr.

storage/browser/blob/blob_url_request_job_factory.cc

 // 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.
 
 #include "storage/browser/blob/blob_url_request_job_factory.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/strings/string_util.h"
@@ skipping 21 matching lines @@
   std::unique_ptr<net::URLRequest> request = request_context->CreateRequest(
       kBlobUrl, net::DEFAULT_PRIORITY, request_delegate);
   SetRequestedBlobDataHandle(request.get(), std::move(blob_data_handle));
   return request;
 }
 
 // static
 void BlobProtocolHandler::SetRequestedBlobDataHandle(
     net::URLRequest* request,
     std::unique_ptr<BlobDataHandle> blob_data_handle) {
-  request->SetUserData(&kUserDataKey, blob_data_handle.release());
+  request->SetUserData(&kUserDataKey, std::move(blob_data_handle));
 }
 
 // static
 BlobDataHandle* BlobProtocolHandler::GetRequestBlobDataHandle(
     net::URLRequest* request) {
   return static_cast<BlobDataHandle*>(request->GetUserData(&kUserDataKey));
 }
 
 BlobProtocolHandler::BlobProtocolHandler(
     BlobStorageContext* context,
@@ skipping 33 matching lines @@
   std::string uuid = request->url().spec().substr(kPrefix.length());
   std::unique_ptr<BlobDataHandle> handle = context_->GetBlobDataFromUUID(uuid);
   BlobDataHandle* handle_ptr = handle.get();
   if (handle) {
     SetRequestedBlobDataHandle(request, std::move(handle));
   }
   return handle_ptr;
 }
 
 }  // namespace storage