Fix the |name| of PerformanceNavigationTiming

Previously, the |name| of a PerformanceNavigationTiming entry was the initial
URL (the request URL). After this CL, it is the response URL, so for example
a url of the form 'redirect?location=newLoc' will have 'newLoc' as the |name|.

Bug: 797465
Change-Id: Icab53ad8027d066422562c82bcf0354c264fea40
Reviewed-on: https://chromium-review.googlesource.com/996579Reviewed-by: Yoav Weiss <yoav@yoav.ws>
Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#548773}

third_party/WebKit/LayoutTests/external/wpt/navigation-timing/nav2_test_redirect_server.html

@@ -11,7 +11,7 @@
         <script>
 
             function verifyTimingEventOrder(eventOrder, timingEntry) {
-                for (var i = 0; i < eventOrder.length - 1; i++) {
+                for (let i = 0; i < eventOrder.length - 1; i++) {
                     assert_true(timingEntry[eventOrder[i]] < timingEntry[eventOrder[i + 1]],
                         "Expected " + eventOrder[i] + " to be no greater than " + eventOrder[i + 1] + ".");
                 }
@@ -19,11 +19,13 @@
 
             function onload_test()
             {
-                var frame_performance = document.getElementById("frameContext").contentWindow.performance;
-                assert_equals(frame_performance.getEntriesByType("navigation")[0].type,
+                const frame_performance = document.getElementById("frameContext").contentWindow.performance;
+                const navigation_entry = frame_performance.getEntriesByType("navigation")[0];
+                assert_equals(navigation_entry.type,
                         "navigate",
                         "Expected navigation type  to be navigate.");
-                assert_equals(frame_performance.getEntriesByType("navigation")[0].redirectCount, 1, "Expected redirectCount to be 1.");
+                assert_equals(navigation_entry.redirectCount, 1, "Expected redirectCount to be 1.");
+                assert_equals(navigation_entry.name, 'http://' + document.location.host + '/navigation-timing/resources/blank_page_green.html');
 
                 var timgingEvents = [
                     'startTime',

third_party/WebKit/Source/core/timing/PerformanceNavigationTiming.cpp

@@ -21,10 +21,11 @@ PerformanceNavigationTiming::PerformanceNavigationTiming(
     ResourceTimingInfo* info,
     TimeTicks time_origin,
     const WebVector<WebServerTimingInfo>& server_timing)
-    : PerformanceResourceTiming(info ? info->InitialURL().GetString() : "",
-                                "navigation",
-                                time_origin,
-                                server_timing),
+    : PerformanceResourceTiming(
+          info ? info->FinalResponse().Url().GetString() : "",
+          "navigation",
+          time_origin,
+          server_timing),
       ContextClient(frame),
       resource_timing_info_(info) {
   DCHECK(frame);