Regression test for handling early failure during network download.

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 <stddef.h>
 #include <stdint.h>
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 1202 matching lines @@
       "style.htm: af84c3ca-0fc6-4b0d-bf7a-5ac18a4dab62",
       "frameE: c9539ccd-47b0-47cf-a03b-734614865872",
   };
   std::vector<std::string> expected_substrings(std::begin(arr), std::end(arr));
 
   GURL url(embedded_test_server()->GetURL("a.com", "/save_page/style.htm"));
 
   TestOriginalVsSavedPage(save_page_type, url, 6, expected_substrings);
 }
 
-// Test for saving a page with a broken image (see also crbug.com/586680).
+// Test for saving a page with broken subresources:
+// - Broken, undecodable image (see also https://crbug.com/586680)
+// - Broken link, to unresolvable host (see also https://crbug.com/594219)
 IN_PROC_BROWSER_TEST_P(SavePageOriginalVsSavedComparisonTest, BrokenImage) {
+  // Clear resolver rules to make sure that *.no.such.host used in the test html
+  // doesn't resolve to 127.0.0.1
+  host_resolver()->ClearRules();
+
   content::SavePageType save_page_type = GetParam();
 
   std::string arr[] = {
       "broken-image.htm: 1e846775-b3ed-4d9c-a124-029554a1eb9d",
   };
   std::vector<std::string> expected_substrings(std::begin(arr), std::end(arr));
 
-  GURL url(
-      embedded_test_server()->GetURL("a.com", "/save_page/broken-image.htm"));
+  GURL url(embedded_test_server()->GetURL("127.0.0.1",
+                                          "/save_page/broken-image.htm"));
 
   TestOriginalVsSavedPage(save_page_type, url, 1, expected_substrings);
 }
 
 INSTANTIATE_TEST_CASE_P(
     SaveType,
     SavePageOriginalVsSavedComparisonTest,
     ::testing::Values(content::SAVE_PAGE_TYPE_AS_COMPLETE_HTML,
                       content::SAVE_PAGE_TYPE_AS_MHTML));
 
 }  // namespace