Remove DownloadFileManager in favor of direct ownership of DownloadFiles.

chrome/browser/download/save_page_browsertest.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/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
@@ skipping 296 matching lines @@
   ASSERT_TRUE(GetCurrentTab()->SavePage(full_file_name, dir,
                                         content::SAVE_PAGE_TYPE_AS_ONLY_HTML));
   DownloadItem* item = creation_observer.WaitForNewDownloadItem();
   item->Cancel(true);
 
   // TODO(rdsmith): Fix DII::Cancel() to actually cancel the save package.
   // Currently it's ignored.
   EXPECT_EQ(url, WaitForSavePackageToFinish());
 
   EXPECT_TRUE(browser()->window()->IsDownloadShelfVisible());
-  CheckDownloadHistory(url, full_file_name, 1);  // a.htm is 1 file.
 
   EXPECT_TRUE(file_util::PathExists(full_file_name));
   EXPECT_FALSE(file_util::PathExists(dir));
   EXPECT_TRUE(file_util::ContentsEqual(
       test_dir_.Append(FilePath(kTestDir)).Append(FILE_PATH_LITERAL("a.htm")),
       full_file_name));
 }
 
 IN_PROC_BROWSER_TEST_F(SavePageBrowserTest, SaveHTMLOnlyTabDestroy) {
   GURL url = NavigateToMockURL("a");
@@ skipping 193 matching lines @@
         content::NotificationService::AllSources());
   chrome::SavePage(browser());
   observer.Wait();
   CheckDownloadHistory(url, full_file_name, -1);
 
   EXPECT_TRUE(file_util::PathExists(full_file_name));
   int64 actual_file_size = -1;
   EXPECT_TRUE(file_util::GetFileSize(full_file_name, &actual_file_size));
   EXPECT_LE(kFileSizeMin, actual_file_size);
 }