[Cleanup] Used scoped pointers in KeyedServiceFactory's SetTestingFactory functions.

chrome/browser/sessions/persistent_tab_restore_service_unittest.cc

 // Copyright 2013 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/sessions/persistent_tab_restore_service.h"
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/strings/stringprintf.h"
@@ skipping 128 matching lines @@
         window_id, tab_id,
         SerializedNavigationEntryTestHelper::CreateNavigation(
             url1_.spec(), "title"));
   }
 
   // Creates a SessionService and assigns it to the Profile. The SessionService
   // is configured with a single window with a single tab pointing at url1_ by
   // way of AddWindowWithOneTabToSessionService. If |pinned| is true, the
   // tab is marked as pinned in the session service.
   void CreateSessionServiceWithOneWindow(bool pinned) {
-    // The profile takes ownership of this.
-    SessionService* session_service = new SessionService(profile());
-    SessionServiceFactory::SetForTestProfile(profile(), session_service);
+    scoped_ptr<SessionService> session_service(new SessionService(profile()));
+    SessionServiceFactory::SetForTestProfile(profile(), session_service.Pass());
 
     AddWindowWithOneTabToSessionService(pinned);
 
     // Set this, otherwise previous session won't be loaded.
     profile()->set_last_session_exited_cleanly(false);
   }
 
   void SynchronousLoadTabsFromLastSession() {
     // Ensures that the load is complete before continuing.
     service_->LoadTabsFromLastSession();
@@ skipping 593 matching lines @@
 
   EXPECT_FALSE(service_->IsLoaded());
   TestTabRestoreServiceObserver observer;
   service_->AddObserver(&observer);
   EXPECT_EQ(max_entries, service_->entries().size());
   SynchronousLoadTabsFromLastSession();
   EXPECT_TRUE(observer.got_loaded());
   EXPECT_TRUE(service_->IsLoaded());
   service_->RemoveObserver(&observer);
 }