Switch SupportsUserData uses to use unique_ptr.

chrome/browser/ui/browser_tab_restorer.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 "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/metrics/user_metrics.h"
 #include "base/metrics/user_metrics_action.h"
 #include "base/supports_user_data.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/tab_restore_service_factory.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_list_observer.h"
 #include "chrome/browser/ui/browser_live_tab_context.h"
@@ skipping 53 matching lines @@
 }
 
 BrowserTabRestorer::BrowserTabRestorer(Browser* browser)
     : browser_(browser),
       tab_restore_service_(
           TabRestoreServiceFactory::GetForProfile(browser->profile())) {
   DCHECK(tab_restore_service_);
   DCHECK(!tab_restore_service_->IsLoaded());
   tab_restore_service_->AddObserver(this);
   BrowserList::GetInstance()->AddObserver(this);
-  browser_->profile()->SetUserData(kBrowserTabRestorerKey, this);
+  browser_->profile()->SetUserData(kBrowserTabRestorerKey,
+                                   base::WrapUnique(this));
   tab_restore_service_->LoadTabsFromLastSession();
 }
 
 void BrowserTabRestorer::TabRestoreServiceChanged(
     sessions::TabRestoreService* service) {}
 
 void BrowserTabRestorer::TabRestoreServiceDestroyed(
     sessions::TabRestoreService* service) {}
 
 void BrowserTabRestorer::TabRestoreServiceLoaded(
@@ skipping 19 matching lines @@
 
   if (service->IsLoaded()) {
     service->RestoreMostRecentEntry(browser->live_tab_context());
     return;
   }
 
   BrowserTabRestorer::CreateIfNecessary(browser);
 }
 
 }  // namespace chrome