Extra browser-side validation of transferred_request_child_id / request_id.

content/browser/loader/resource_dispatcher_host_impl.h

Index: content/browser/loader/resource_dispatcher_host_impl.h
diff --git a/content/browser/loader/resource_dispatcher_host_impl.h b/content/browser/loader/resource_dispatcher_host_impl.h
index e3c246d61c776486d0459fa6b60530b9d5a6ac64..bc00a304354207b3b1d836d3dcb04bc0ace2003e 100644
--- a/content/browser/loader/resource_dispatcher_host_impl.h
+++ b/content/browser/loader/resource_dispatcher_host_impl.h
@@ -543,6 +543,12 @@ class CONTENT_EXPORT ResourceDispatcherHostImpl
                                 const ResourceRequest& request_data,
                                 LoaderMap::iterator iter);
 
+  // If |request_data| is for a request being transferred from another process,
+  // then CompleteTransfer method can be used to complete the transfer.
+  void CompleteTransfer(int request_id,
+                        const ResourceRequest& request_data,
+                        int route_id);
+
   void BeginRequest(
       int request_id,
       const ResourceRequest& request_data,