Switch SupportsUserData uses to use unique_ptr.

chrome/browser/download/chrome_download_manager_delegate.cc

 // Copyright (c) 2012 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 "chrome/browser/download/chrome_download_manager_delegate.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/files/file_util.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/rand_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/task_runner.h"
 #include "base/task_scheduler/post_task.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/download_completion_blocker.h"
@@ skipping 287 matching lines @@
 }
 
 // static
 void ChromeDownloadManagerDelegate::DisableSafeBrowsing(DownloadItem* item) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 #if defined(FULL_SAFE_BROWSING)
   SafeBrowsingState* state = static_cast<SafeBrowsingState*>(
       item->GetUserData(&kSafeBrowsingUserDataKey));
   if (!state) {
     state = new SafeBrowsingState();
-    item->SetUserData(&kSafeBrowsingUserDataKey, state);
+    item->SetUserData(&kSafeBrowsingUserDataKey, base::WrapUnique(state));
   }
   state->CompleteDownload();
 #endif
 }
 
 bool ChromeDownloadManagerDelegate::IsDownloadReadyForCompletion(
     DownloadItem* item,
     const base::Closure& internal_complete_callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 #if defined(FULL_SAFE_BROWSING)
   SafeBrowsingState* state = static_cast<SafeBrowsingState*>(
       item->GetUserData(&kSafeBrowsingUserDataKey));
   if (!state) {
     // Begin the safe browsing download protection check.
     DownloadProtectionService* service = GetDownloadProtectionService();
     if (service) {
       DVLOG(2) << __func__ << "() Start SB download check for download = "
                << item->DebugString(false);
       state = new SafeBrowsingState();
       state->set_callback(internal_complete_callback);
-      item->SetUserData(&kSafeBrowsingUserDataKey, state);
+      item->SetUserData(&kSafeBrowsingUserDataKey, base::WrapUnique(state));
       service->CheckClientDownload(
           item,
           base::Bind(&ChromeDownloadManagerDelegate::CheckClientDownloadDone,
                      weak_ptr_factory_.GetWeakPtr(),
                      item->GetId()));
       return false;
     }
 
     // In case the service was disabled between the download starting and now,
     // we need to restore the danger state.
@@ skipping 509 matching lines @@
       path.MatchesExtension(FILE_PATH_LITERAL(".xht")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".xhtm")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".xhtml")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".xsl")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".xslt"))) {
     return true;
   }
 #endif
   return false;
 }