Allow redirects for requests that require preflight.

third_party/WebKit/LayoutTests/http/tests/xmlhttprequest/access-control-and-redirects-async-expected.txt

Index: third_party/WebKit/LayoutTests/http/tests/xmlhttprequest/access-control-and-redirects-async-expected.txt
diff --git a/third_party/WebKit/LayoutTests/http/tests/xmlhttprequest/access-control-and-redirects-async-expected.txt b/third_party/WebKit/LayoutTests/http/tests/xmlhttprequest/access-control-and-redirects-async-expected.txt
index bb2e1cd529d25cc6e9d30ef01dc62dc1593268d1..78bfea25b9febf1cc38755c142676e5768a6edc7 100644
--- a/third_party/WebKit/LayoutTests/http/tests/xmlhttprequest/access-control-and-redirects-async-expected.txt
+++ b/third_party/WebKit/LayoutTests/http/tests/xmlhttprequest/access-control-and-redirects-async-expected.txt
@@ -1,21 +1,21 @@
 CONSOLE ERROR: XMLHttpRequest cannot load http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi. Redirect from 'http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi' to 'http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://127.0.0.1:8000' is therefore not allowed access.
-CONSOLE ERROR: XMLHttpRequest cannot load http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi&%20%20access-control-allow-origin=http://localhost:8000. Redirect from 'http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi&%20%20access-control-allow-origin=http://localhost:8000' to 'http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi' has been blocked by CORS policy: The 'Access-Control-Allow-Origin' header has a value 'http://localhost:8000' that is not equal to the supplied origin. Origin 'http://127.0.0.1:8000' is therefore not allowed access.
-CONSOLE ERROR: XMLHttpRequest cannot load http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=http://username:password@localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi&%20%20access-control-allow-origin=http://localhost:8000. Redirect from 'http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=http://username:password@localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi&%20%20access-control-allow-origin=http://localhost:8000' has been blocked by CORS policy: Redirect location 'http://username:password@localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi' contains userinfo, which is disallowed for cross-origin requests.
-CONSOLE ERROR: XMLHttpRequest cannot load http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=foo://bar.cgi&%20%20access-control-allow-origin=http://localhost:8000. Redirect from 'http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=foo://bar.cgi&%20%20access-control-allow-origin=http://localhost:8000' has been blocked by CORS policy: Redirect location 'foo://bar.cgi' has a disallowed scheme for cross-origin requests.
+CONSOLE ERROR: XMLHttpRequest cannot load http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=http://username:password@localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi&%20%20access-control-allow-origin=http://127.0.0.1:8000. Redirect from 'http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=http://username:password@localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi&%20%20access-control-allow-origin=http://127.0.0.1:8000' has been blocked by CORS policy: Redirect location 'http://username:password@localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi' contains userinfo, which is disallowed for cross-origin requests.
+CONSOLE ERROR: XMLHttpRequest cannot load http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=foo://bar.cgi&%20%20access-control-allow-origin=http://127.0.0.1:8000. Redirect from 'http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=foo://bar.cgi&%20%20access-control-allow-origin=http://127.0.0.1:8000' has been blocked by CORS policy: Redirect location 'foo://bar.cgi' has a disallowed scheme for cross-origin requests.
 CONSOLE ERROR: XMLHttpRequest cannot load http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?redirect-preflight=true&%20%20url=http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi&%20%20access-control-allow-origin=*. Response for preflight is invalid (redirect)
-CONSOLE ERROR: XMLHttpRequest cannot load http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?redirect-preflight=false&%20%20url=http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi&%20%20access-control-allow-origin=*&%20%20access-control-allow-headers=x-webkit. Redirect from 'http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?redirect-preflight=false&%20%20url=http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi&%20%20access-control-allow-origin=*&%20%20access-control-allow-headers=x-webkit' to 'http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi' has been blocked by CORS policy: Request requires preflight, which is disallowed to follow cross-origin redirect.
+CONSOLE ERROR: XMLHttpRequest cannot load http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi. Request header field x-webkit is not allowed by Access-Control-Allow-Headers in preflight response.
 Tests that asynchronous XMLHttpRequests handle redirects according to the CORS standard.
 
 Testing http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi without credentials
 Expecting success: false
 PASS: 0
-Testing http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi&  access-control-allow-origin=http://localhost:8000 without credentials
+Testing http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi&  access-control-allow-origin=http://127.0.0.1:8000 without credentials
 Expecting success: true
-FAIL: 0
-Testing http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=http://username:password@localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi&  access-control-allow-origin=http://localhost:8000 without credentials
+PASS: PASS: Cross-domain access allowed.
+
+Testing http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=http://username:password@localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi&  access-control-allow-origin=http://127.0.0.1:8000 without credentials
 Expecting success: false
 PASS: 0
-Testing http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=foo://bar.cgi&  access-control-allow-origin=http://localhost:8000 without credentials
+Testing http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?url=foo://bar.cgi&  access-control-allow-origin=http://127.0.0.1:8000 without credentials
 Expecting success: false
 PASS: 0
 Testing http://localhost:8000/xmlhttprequest/resources/redirect-cors.php?redirect-preflight=true&  url=http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow-star.cgi&  access-control-allow-origin=* without credentials