Enable download resumption by default.

chrome/browser/download/notification/download_notification_browsertest.cc

 // 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 "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/prefs/pref_service.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 650 matching lines @@
   EXPECT_EQ(1u, visible_notifications.size());
   EXPECT_TRUE(IsInNotifications(visible_notifications, notification_id()));
 }
 
 IN_PROC_BROWSER_TEST_F(DownloadNotificationTest, InterruptDownload) {
   CreateDownload();
 
   // Installs observers before requesting.
   NotificationUpdateObserver
       download_notification_update_observer(notification_id());
-  content::DownloadTestObserverTerminal download_terminal_observer(
+  content::DownloadTestObserverInterrupted download_terminal_observer(
       GetDownloadManager(browser()),
       1u, /* wait_count */
       content::DownloadTestObserver::ON_DANGEROUS_DOWNLOAD_FAIL);
 
   // Requests to fail the download and wait for it.
   ui_test_utils::NavigateToURL(
       browser(), GURL(net::URLRequestSlowDownloadJob::kErrorDownloadUrl));
   download_terminal_observer.WaitForFinished();
 
   // Waits that new notification.
@@ skipping 33 matching lines @@
 
   // Confirms that a download is still in progress.
   std::vector<content::DownloadItem*> downloads;
   content::DownloadManager* download_manager = GetDownloadManager(browser());
   download_manager->GetAllDownloads(&downloads);
   EXPECT_EQ(1u, downloads.size());
   EXPECT_EQ(content::DownloadItem::IN_PROGRESS, downloads[0]->GetState());
 
   // Installs observers before requesting the completion.
   NotificationAddObserver download_notification_add_observer;
-  content::DownloadTestObserverTerminal download_terminal_observer(
+  content::DownloadTestObserverInterrupted download_terminal_observer(
       download_manager,
       1u, /* wait_count */
       content::DownloadTestObserver::ON_DANGEROUS_DOWNLOAD_FAIL);
 
   // Requests to fail the download and wait for it.
   ui_test_utils::NavigateToURL(
       browser(), GURL(net::URLRequestSlowDownloadJob::kErrorDownloadUrl));
   download_terminal_observer.WaitForFinished();
 
   // Waits that new notification.
@@ skipping 565 matching lines @@
   EXPECT_EQ(message_center::NOTIFICATION_TYPE_BASE_FORMAT,
             GetNotification(notification_id_user1)->type());
   EXPECT_EQ(message_center::NOTIFICATION_TYPE_BASE_FORMAT,
             GetNotification(notification_id_user2_1)->type());
   // Normal notifications for user2.
   EXPECT_EQ(message_center::NOTIFICATION_TYPE_BASE_FORMAT,
             GetNotification(notification_id_user2_1)->type());
   EXPECT_EQ(message_center::NOTIFICATION_TYPE_BASE_FORMAT,
             GetNotification(notification_id_user2_2)->type());
 }