Introduce Response.redirect attribute and add LayoutTest.

third_party/WebKit/LayoutTests/http/tests/fetch/script-tests/thorough/redirect-password.js

 if (self.importScripts) {
   importScripts('/fetch/resources/fetch-test-helpers.js');
   importScripts('/fetch/resources/thorough-util.js');
 }
 
 var TEST_TARGETS = [
   // Redirects to URLs with username/password.
   // Spec: https://fetch.spec.whatwg.org/#concept-http-fetch
   // Step 5, redirect status, Step 10.1 and 10.2:
   // "If |request|'s mode is "cors", |request|'s origin is not same origin with
   //  |locationURL|'s origin, and |locationURL| includes credentials, return a
   //  network error."
   // "If the CORS flag is set and |locationURL| includes credentials, return
   //  a network error."
 
   // Origin A -[fetch]-> Origin A -[redirect]-> Origin A
   [REDIRECT_URL + encodeURIComponent(BASE_URL_WITH_USERNAME) +
    '&mode=same-origin&method=GET',
    [fetchResolved, hasContentLength, hasServerHeader, hasBody, typeBasic,
-    checkURLList.bind(self, [BASE_URL_WITH_USERNAME])],
+    responseRedirected, checkURLList.bind(self, [BASE_URL_WITH_USERNAME])],
    [methodIsGET]],
   [REDIRECT_URL + encodeURIComponent(BASE_URL_WITH_PASSWORD) +
    '&mode=same-origin&method=GET',
    [fetchResolved, hasContentLength, hasServerHeader, hasBody, typeBasic,
-    checkURLList.bind(self, [BASE_URL_WITH_PASSWORD])],
+    responseRedirected, checkURLList.bind(self, [BASE_URL_WITH_PASSWORD])],
    [methodIsGET]],
   [REDIRECT_URL + encodeURIComponent(BASE_URL_WITH_USERNAME) +
    '&mode=cors&method=GET',
    [fetchResolved, hasContentLength, hasServerHeader, hasBody, typeBasic,
-    checkURLList.bind(self, [BASE_URL_WITH_USERNAME])],
+    responseRedirected, checkURLList.bind(self, [BASE_URL_WITH_USERNAME])],
    [methodIsGET]],
   [REDIRECT_URL + encodeURIComponent(BASE_URL_WITH_PASSWORD) +
    '&mode=cors&method=GET',
    [fetchResolved, hasContentLength, hasServerHeader, hasBody, typeBasic,
-    checkURLList.bind(self, [BASE_URL_WITH_PASSWORD])],
+    responseRedirected, checkURLList.bind(self, [BASE_URL_WITH_PASSWORD])],
    [methodIsGET]],
   [REDIRECT_URL + encodeURIComponent(BASE_URL_WITH_USERNAME) +
    '&mode=no-cors&method=GET',
    [fetchResolved, hasContentLength, hasServerHeader, hasBody, typeBasic,
-    checkURLList.bind(self, [BASE_URL_WITH_USERNAME])],
+    responseRedirected, checkURLList.bind(self, [BASE_URL_WITH_USERNAME])],
    [methodIsGET]],
   [REDIRECT_URL + encodeURIComponent(BASE_URL_WITH_PASSWORD) +
    '&mode=no-cors&method=GET',
    [fetchResolved, hasContentLength, hasServerHeader, hasBody, typeBasic,
-    checkURLList.bind(self, [BASE_URL_WITH_PASSWORD])],
+    responseRedirected, checkURLList.bind(self, [BASE_URL_WITH_PASSWORD])],
    [methodIsGET]],
 
   // Origin A -[fetch]-> Origin A -[redirect]-> Origin B
   [REDIRECT_URL +
    encodeURIComponent(OTHER_BASE_URL_WITH_USERNAME + '&ACAOrigin=*') +
    '&mode=cors&method=GET',
    [fetchRejected]],
   [REDIRECT_URL +
    encodeURIComponent(OTHER_BASE_URL_WITH_PASSWORD + '&ACAOrigin=*') +
    '&mode=cors&method=GET',
    [fetchRejected]],
   [REDIRECT_URL +
    encodeURIComponent(OTHER_BASE_URL_WITH_USERNAME + '&ACAOrigin=*') +
    '&mode=no-cors&method=GET',
    [fetchResolved, noContentLength, noServerHeader, noBody, typeOpaque,
+    responseNotRedirected,
     checkURLList.bind(self, [OTHER_BASE_URL_WITH_USERNAME + '&ACAOrigin=*'])],
    onlyOnServiceWorkerProxiedTest([methodIsGET])],
   [REDIRECT_URL +
    encodeURIComponent(OTHER_BASE_URL_WITH_PASSWORD + '&ACAOrigin=*') +
    '&mode=no-cors&method=GET',
    [fetchResolved, noContentLength, noServerHeader, noBody, typeOpaque,
+    responseNotRedirected,
     checkURLList.bind(self, [OTHER_BASE_URL_WITH_PASSWORD + '&ACAOrigin=*'])],
    onlyOnServiceWorkerProxiedTest([methodIsGET])],
 
   // Origin A -[fetch]-> Origin B -[redirect]-> Origin A
   [OTHER_REDIRECT_URL +
    encodeURIComponent(BASE_URL_WITH_USERNAME + 'ACAOrigin=*') +
    '&mode=cors&method=GET&ACAOrigin=*',
    [fetchRejected]],
   [OTHER_REDIRECT_URL +
    encodeURIComponent(BASE_URL_WITH_PASSWORD + 'ACAOrigin=*') +
    '&mode=cors&method=GET&ACAOrigin=*',
    [fetchRejected]],
   [OTHER_REDIRECT_URL +
    encodeURIComponent(BASE_URL_WITH_USERNAME + 'ACAOrigin=*') +
    '&mode=no-cors&method=GET&ACAOrigin=*',
    [fetchResolved, noContentLength, noServerHeader, noBody, typeOpaque,
+    responseNotRedirected,
     checkURLList.bind(self, [BASE_URL_WITH_USERNAME + 'ACAOrigin=*'])],
    onlyOnServiceWorkerProxiedTest([methodIsGET])],
   [OTHER_REDIRECT_URL +
    encodeURIComponent(BASE_URL_WITH_PASSWORD + 'ACAOrigin=*') +
    '&mode=no-cors&method=GET&ACAOrigin=*',
    [fetchResolved, noContentLength, noServerHeader, noBody, typeOpaque,
+    responseNotRedirected,
     checkURLList.bind(self, [BASE_URL_WITH_PASSWORD + 'ACAOrigin=*'])],
    onlyOnServiceWorkerProxiedTest([methodIsGET])],
 
   // Origin A -[fetch]-> Origin B -[redirect]-> Origin B
   [OTHER_REDIRECT_URL +
    encodeURIComponent(OTHER_BASE_URL_WITH_USERNAME + 'ACAOrigin=*') +
    '&mode=cors&method=GET&ACAOrigin=*',
    [fetchRejected]],
   [OTHER_REDIRECT_URL +
    encodeURIComponent(OTHER_BASE_URL_WITH_PASSWORD + 'ACAOrigin=*') +
    '&mode=cors&method=GET&ACAOrigin=*',
    [fetchRejected]],
   [OTHER_REDIRECT_URL +
    encodeURIComponent(OTHER_BASE_URL_WITH_USERNAME + 'ACAOrigin=*') +
    '&mode=no-cors&method=GET&ACAOrigin=*',
    [fetchResolved, noContentLength, noServerHeader, noBody, typeOpaque,
+    responseNotRedirected,
     checkURLList.bind(self, [OTHER_BASE_URL_WITH_USERNAME + 'ACAOrigin=*'])],
    onlyOnServiceWorkerProxiedTest([methodIsGET])],
   [OTHER_REDIRECT_URL +
    encodeURIComponent(OTHER_BASE_URL_WITH_PASSWORD + 'ACAOrigin=*') +
    '&mode=no-cors&method=GET&ACAOrigin=*',
    [fetchResolved, noContentLength, noServerHeader, noBody, typeOpaque,
+    responseNotRedirected,
     checkURLList.bind(self, [OTHER_BASE_URL_WITH_PASSWORD + 'ACAOrigin=*'])],
    onlyOnServiceWorkerProxiedTest([methodIsGET])],
 ];
 
 if (self.importScripts) {
   executeTests(TEST_TARGETS);
   done();
 }