Fix incorrect assert() for interrupted/paused/in progress downloads.

chrome/browser/ui/webui/downloads_ui_browsertest.js

 // 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.
 
 GEN_INCLUDE(['downloads_ui_browsertest_base.js']);
 GEN('#include "chrome/browser/ui/webui/downloads_ui_browsertest.h"');
 
 // Test UI when removing entries is allowed.
 TEST_F('BaseDownloadsWebUITest', 'DeleteAllowed', function() {
   this.expectDeleteControlsVisible(true);
@@ skipping 78 matching lines @@
 
   expectEquals(numDownloads + 1, manager.size());
   expectEquals(1, datesShowing());
 
   var firstContainer = document.querySelector('.date-container');
   assertFalse(firstContainer.hidden);
   expectGT(firstContainer.querySelector('.since').textContent.trim().length, 0);
   expectGT(firstContainer.querySelector('.date').textContent.trim().length, 0);
 });
 
+TEST_F('BaseDownloadsWebUITest', 'EmptyProgressStatusText', function() {
+  this.createdDownloads[0].state = downloads.Item.States.PAUSED;
+  this.createdDownloads[0].progress_status_text = '';
+  downloads.Manager.updateItem(this.createdDownloads[0]);  // Might assert().
+});
+
+TEST_F('BaseDownloadsWebUITest', 'EmptyLastStatusText', function() {
+  this.createdDownloads[0].state = downloads.Item.States.INTERRUPTED;
+  this.createdDownloads[0].last_reason_text = '';
+  downloads.Manager.updateItem(this.createdDownloads[0]);  // Might assert().
+});
+
 /**
  * @constructor
  * @extends {BaseDownloadsWebUITest}
  */
 function EmptyDownloadsWebUITest() {}
 
 EmptyDownloadsWebUITest.prototype = {
   __proto__: BaseDownloadsWebUITest.prototype,
 
   /** @override */
@@ skipping 39 matching lines @@
   this.expectDeleteControlsVisible(false);
   // TODO(pamg): Mock out the back-end calls, so we can also test removing a
   // single item.
 });
 
 TEST_F('DownloadsWebUIDeleteProhibitedTest', 'ClearLeavesSearch', function() {
   downloads.Manager.setSearchText('muhahaha');
   $('clear-all').click();
   expectGE(downloads.Manager.getInstance().searchText_.length, 0);
 });