Support redirectUrl at onHeadersReceived in WebRequest / DWR API

net/cronet/android/url_request_context_peer.cc

Index: net/cronet/android/url_request_context_peer.cc
diff --git a/net/cronet/android/url_request_context_peer.cc b/net/cronet/android/url_request_context_peer.cc
index 2c754dbeaca79bd56d1cbf4e43c13a81c9eacdc1..e36763228e4d0165b3d104ca4c2b1b9843abfa51 100644
--- a/net/cronet/android/url_request_context_peer.cc
+++ b/net/cronet/android/url_request_context_peer.cc
@@ -44,7 +44,8 @@ class BasicNetworkDelegate : public net::NetworkDelegate {
       net::URLRequest* request,
       const net::CompletionCallback& callback,
       const net::HttpResponseHeaders* original_response_headers,
-      scoped_refptr<net::HttpResponseHeaders>* _response_headers) OVERRIDE {
+      scoped_refptr<net::HttpResponseHeaders>* _response_headers,
+      GURL* allowed_unsafe_redirect_url) OVERRIDE {
     return net::OK;
   }