Support redirectUrl at onHeadersReceived in WebRequest / DWR API

net/url_request/url_request_http_job.h

Index: net/url_request/url_request_http_job.h
diff --git a/net/url_request/url_request_http_job.h b/net/url_request/url_request_http_job.h
index 86806196aaa13743aae79de44071c06f0692ddf0..95b77c94d270fac2cb017edece2cdfb5fad2af3c 100644
--- a/net/url_request/url_request_http_job.h
+++ b/net/url_request/url_request_http_job.h
@@ -256,6 +256,9 @@ class NET_EXPORT_PRIVATE URLRequestHttpJob : public URLRequestJob {
   // layers of the network stack.
   scoped_refptr<HttpResponseHeaders> override_response_headers_;
 
+  // The network delegate can mark a URL as safe for redirection.
+  GURL allowed_unsafe_redirect_url_;
+
   // Flag used to verify that |this| is not deleted while we are awaiting
   // a callback from the NetworkDelegate. Used as a fail-fast mechanism.
   // True if we are waiting a callback and