Import wpt@758b3b4cfa805067f36121333ba031e583d3a62c

third_party/WebKit/LayoutTests/external/wpt/preload/single-download-late-used-preload.html

Index: third_party/WebKit/LayoutTests/external/wpt/preload/single-download-late-used-preload.html
diff --git a/third_party/WebKit/LayoutTests/external/wpt/preload/single_download_late_used_preload.html b/third_party/WebKit/LayoutTests/external/wpt/preload/single-download-late-used-preload.html
similarity index 71%
rename from third_party/WebKit/LayoutTests/external/wpt/preload/single_download_late_used_preload.html
rename to third_party/WebKit/LayoutTests/external/wpt/preload/single-download-late-used-preload.html
index a4fd3dba4b35a8d5836dc966ddafaa38f241d229..5549cb84fdb9ff03e348c6d005b5850b7294536b 100644
--- a/third_party/WebKit/LayoutTests/external/wpt/preload/single_download_late_used_preload.html
+++ b/third_party/WebKit/LayoutTests/external/wpt/preload/single-download-late-used-preload.html
@@ -2,16 +2,18 @@
 <title>Ensure preloaded resources are not downloaded again when used</title>
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<script src="/preload/resources/preload_helper.js"></script>
 <link rel=preload href="resources/square.png?pipe=trickle(d1)" as=image>
 <script>
     var link = document.getElementsByTagName("link")[0]
     assert_equals(link.as, "image");
     link.addEventListener("load", () => {
-        assert_equals(performance.getEntriesByType("resource").length, 3)
+        verifyPreloadAndRTSupport();
+        verifyNumberOfDownloads("resources/square.png?pipe=trickle(d1)", 1);
         var img = document.createElement("img");
         img.src = "resources/square.png?pipe=trickle(d1)";
         img.onload = () => {
-            assert_equals(performance.getEntriesByType("resource").length, 3);
+            verifyNumberOfDownloads("resources/square.png?pipe=trickle(d1)", 1);
             done();
         };
         document.body.appendChild(img);