Switch SupportsUserData uses to use unique_ptr.

components/favicon/ios/web_favicon_driver.mm

 // 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.
 
 #include "components/favicon/ios/web_favicon_driver.h"
 
 #include "base/bind.h"
+#include "base/memory/ptr_util.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "components/favicon/core/favicon_url.h"
 #include "components/favicon/ios/favicon_url_util.h"
 #include "ios/web/public/browser_state.h"
 #include "ios/web/public/favicon_status.h"
 #include "ios/web/public/navigation_item.h"
 #include "ios/web/public/navigation_manager.h"
 #include "ios/web/public/web_state/web_state.h"
 #include "ios/web/public/web_thread.h"
 #include "skia/ext/skia_utils_ios.h"
@@ skipping 18 matching lines @@
 
 // static
 void WebFaviconDriver::CreateForWebState(
     web::WebState* web_state,
     FaviconService* favicon_service,
     history::HistoryService* history_service,
     bookmarks::BookmarkModel* bookmark_model) {
   if (FromWebState(web_state))
     return;
 
-  web_state->SetUserData(UserDataKey(),
-                         new WebFaviconDriver(web_state, favicon_service,
-                                              history_service, bookmark_model));
+  web_state->SetUserData(UserDataKey(), base::WrapUnique(new WebFaviconDriver(
+                                            web_state, favicon_service,
+                                            history_service, bookmark_model)));
 }
 
 void WebFaviconDriver::FetchFavicon(const GURL& url) {
   fetch_favicon_url_ = url;
   FaviconDriverImpl::FetchFavicon(url);
 }
 
 gfx::Image WebFaviconDriver::GetFavicon() const {
   web::NavigationItem* item =
       web_state()->GetNavigationManager()->GetLastCommittedItem();
@@ skipping 78 matching lines @@
 WebFaviconDriver::~WebFaviconDriver() {
 }
 
 void WebFaviconDriver::FaviconUrlUpdated(
     const std::vector<web::FaviconURL>& candidates) {
   DCHECK(!candidates.empty());
   OnUpdateFaviconURL(GetActiveURL(), FaviconURLsFromWebFaviconURLs(candidates));
 }
 
 }  // namespace favicon