Fix problems with cross-origin redirects.

Source/core/loader/ResourceLoaderOptions.h

Index: Source/core/loader/ResourceLoaderOptions.h
diff --git a/Source/core/loader/ResourceLoaderOptions.h b/Source/core/loader/ResourceLoaderOptions.h
index ad1adaa4f8aef418552c287103119babc9c41598..88c1fc0359cdef2bae1674142450b74e0bc8cfd5 100644
--- a/Source/core/loader/ResourceLoaderOptions.h
+++ b/Source/core/loader/ResourceLoaderOptions.h
@@ -61,12 +61,28 @@ enum SecurityCheckPolicy {
 };
 
 struct ResourceLoaderOptions {
-    ResourceLoaderOptions() : sendLoadCallbacks(DoNotSendCallbacks), sniffContent(DoNotSniffContent), dataBufferingPolicy(BufferData), allowCredentials(DoNotAllowStoredCredentials), crossOriginCredentialPolicy(DoNotAskClientForCrossOriginCredentials), securityCheck(DoSecurityCheck) { }
-    ResourceLoaderOptions(SendCallbackPolicy sendLoadCallbacks, ContentSniffingPolicy sniffContent, DataBufferingPolicy dataBufferingPolicy, StoredCredentials allowCredentials, ClientCrossOriginCredentialPolicy crossOriginCredentialPolicy, SecurityCheckPolicy securityCheck)
+    ResourceLoaderOptions()
+        : sendLoadCallbacks(DoNotSendCallbacks)
+        , sniffContent(DoNotSniffContent)
+        , dataBufferingPolicy(BufferData)
+        , allowCredentials(DoNotAllowStoredCredentials)
+        , credentialsRequested(ClientDidNotRequestCredentials)
+        , crossOriginCredentialPolicy(DoNotAskClientForCrossOriginCredentials)
+        , securityCheck(DoSecurityCheck) { }
+
+    ResourceLoaderOptions(
+        SendCallbackPolicy sendLoadCallbacks,
+        ContentSniffingPolicy sniffContent,
+        DataBufferingPolicy dataBufferingPolicy,
+        StoredCredentials allowCredentials,
+        CredentialRequest credentialsRequested,
+        ClientCrossOriginCredentialPolicy crossOriginCredentialPolicy,
+        SecurityCheckPolicy securityCheck)
         : sendLoadCallbacks(sendLoadCallbacks)
         , sniffContent(sniffContent)
         , dataBufferingPolicy(dataBufferingPolicy)
         , allowCredentials(allowCredentials)
+        , credentialsRequested(credentialsRequested)
         , crossOriginCredentialPolicy(crossOriginCredentialPolicy)
         , securityCheck(securityCheck)
     {
@@ -75,6 +91,7 @@ struct ResourceLoaderOptions {
     ContentSniffingPolicy sniffContent;
     DataBufferingPolicy dataBufferingPolicy;
     StoredCredentials allowCredentials; // Whether HTTP credentials and cookies are sent with the request.
+    CredentialRequest credentialsRequested; // Whether the client (e.g. XHR) wanted credentials in the first place.
     ClientCrossOriginCredentialPolicy crossOriginCredentialPolicy; // Whether we will ask the client for credentials (if we allow credentials at all).
     SecurityCheckPolicy securityCheck;
 };