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

chrome/browser/download/download_shelf_unittest.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 "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/download/download_item_model.h"
@@ skipping 10 matching lines @@
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ::testing::Return;
 using ::testing::ReturnRefOfCopy;
 using ::testing::SaveArg;
 using ::testing::_;
 using content::DownloadItem;
 
 namespace {
 
-KeyedService* CreateDownloadService(content::BrowserContext* context) {
-  return new DownloadService(Profile::FromBrowserContext(context));
-}
-
 class DownloadShelfTest : public testing::Test {
  public:
   DownloadShelfTest();
 
  protected:
   content::MockDownloadItem* download_item() {
     return download_item_.get();
   }
   content::MockDownloadManager* download_manager() {
     return download_manager_.get();
   }
   TestDownloadShelf* shelf() {
     return &shelf_;
   }
   Profile* profile() { return profile_.get(); }
 
   void SetUp() override {
-    DownloadServiceFactory::GetInstance()->SetTestingFactory(
-        profile(), &CreateDownloadService);
   }
 
   void TearDown() override {
-    DownloadServiceFactory::GetInstance()->SetTestingFactory(
-        profile(), NULL);
   }
 
  private:
   scoped_ptr<content::MockDownloadItem> GetInProgressMockDownload();
 
   base::MessageLoopForUI message_loop_;
   content::TestBrowserThread ui_thread_;
   scoped_ptr<content::MockDownloadItem> download_item_;
   scoped_ptr<content::MockDownloadManager> download_manager_;
   TestDownloadShelf shelf_;
@@ skipping 137 matching lines @@
       .WillRepeatedly(Return(false));
   ASSERT_FALSE(DownloadItemModel(download_item())
                .ShouldRemoveFromShelfWhenComplete());
 
   base::RunLoop run_loop;
   run_loop.RunUntilIdle();
 
   EXPECT_TRUE(shelf()->did_add_download());
   EXPECT_TRUE(shelf()->IsShowing());
 }