Allowing multiple SaveItems to have same URLs.

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/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 1054 matching lines @@
       "frames-nested2.htm: 6d23dc47-f283-4977-96ec-66bcf72301a4",
       "b.htm: 3a35f7fa-96a9-4487-9f18-4470263907fa",
   };
 
   GURL url(
       embedded_test_server()->GetURL("a.com", "/save_page/frames-nested.htm"));
 
   TestMultiFramePage(save_page_type, url, 3, expected_substrings);
 }
 
+IN_PROC_BROWSER_TEST_P(SavePageMultiFrameBrowserTest, RuntimeChanges) {
+  content::SavePageType save_page_type = GetParam();
+
+  std::vector<std::string> expected_substrings{
+      "frames-runtime-changes.htm: 396f17f2-2c48-4793-a570-bc856e66e75d",
+      // TODO(lukasza): Need to avoid uri-based deduping (which currently
+      // happens in a map from uris into local paths.
+      // "subframe1: 21595339-61fc-4854-b6df-0668328ea263",
+      // "subframe2: adf55719-15e7-45be-9eda-d12fe782a1bd",
+      // TODO(lukasza): Need to also fix inline / srcdoc frames.
+      // "subframe3: 50e294bf-3a5b-499d-8772-651ead26952f",
+      // "subframe4: e0ea9289-7467-4d32-ba5c-c604e8d84cb7",
+  };
+
+  GURL url(embedded_test_server()->GetURL(
+      "a.com", "/save_page/frames-runtime-changes.htm?do_runtime_changes=1"));
+
+  TestMultiFramePage(save_page_type, url, 5, expected_substrings);
+}
+
 INSTANTIATE_TEST_CASE_P(
     SaveType,
     SavePageMultiFrameBrowserTest,
     ::testing::Values(content::SAVE_PAGE_TYPE_AS_COMPLETE_HTML,
                       content::SAVE_PAGE_TYPE_AS_MHTML));
 
 }  // namespace