Perform CORS access checks on Beacon redirects.

Source/core/fetch/ResourceFetcher.cpp

Index: Source/core/fetch/ResourceFetcher.cpp
diff --git a/Source/core/fetch/ResourceFetcher.cpp b/Source/core/fetch/ResourceFetcher.cpp
index 26f51c5a6d6e55514c018a2be9e9c7a2f99cbbfa..c8b44faf69bcfad2d0cf0fea204c3d633837c59a 100644
--- a/Source/core/fetch/ResourceFetcher.cpp
+++ b/Source/core/fetch/ResourceFetcher.cpp
@@ -1159,7 +1159,8 @@ bool ResourceFetcher::canAccessRedirect(Resource* resource, ResourceRequest& req
             sourceOrigin = context().securityOrigin();
 
         String errorMessage;
-        if (!CrossOriginAccessControl::handleRedirect(resource, sourceOrigin, request, redirectResponse, options, errorMessage)) {
+        StoredCredentials withCredentials = resource->lastResourceRequest().allowStoredCredentials() ? AllowStoredCredentials : DoNotAllowStoredCredentials;
+        if (!CrossOriginAccessControl::handleRedirect(sourceOrigin, request, redirectResponse, withCredentials, options, errorMessage)) {
             if (resource->type() == Resource::Font)
                 toFontResource(resource)->setCORSFailed();
             context().addConsoleMessage(errorMessage);