Bug 1453612 - Response.redirect() should have empty string statusText. r=baku

dom/fetch/Response.cpp

@@ -140,6 +140,7 @@ Response::Redirect(const GlobalObject& aGlobal, const nsAString& aUrl,
   Optional<Nullable<fetch::ResponseBodyInit>> body;
   ResponseInit init;
   init.mStatus = aStatus;
+  init.mStatusText.AssignASCII("");
   RefPtr<Response> r = Response::Constructor(aGlobal, body, init, aRv);
   if (NS_WARN_IF(aRv.Failed())) {
     return nullptr;

dom/tests/mochitest/fetch/test_response.js

@@ -105,6 +105,7 @@ function testError() {
 function testRedirect() {
   var res = Response.redirect("./redirect.response");
   is(res.status, 302, "Default redirect has status code 302");
+  is(res.statusText, "", "Default redirect has status text empty");
   var h = res.headers.get("location");
   ok(h === (new URL("./redirect.response", self.location.href)).href, "Location header should be correct absolute URL");
   try {

testing/web-platform/meta/fetch/api/response/response-static-redirect.html.ini

@@ -1,22 +1,3 @@
 [response-static-redirect.html]
   [Check error returned when giving invalid url to redirect()]
     expected: FAIL
-
-  [Check default redirect response]
-    expected: FAIL
-
-  [Check response returned by static method redirect(), status = 301]
-    expected: FAIL
-
-  [Check response returned by static method redirect(), status = 302]
-    expected: FAIL
-
-  [Check response returned by static method redirect(), status = 303]
-    expected: FAIL
-
-  [Check response returned by static method redirect(), status = 307]
-    expected: FAIL
-
-  [Check response returned by static method redirect(), status = 308]
-    expected: FAIL
-