Update routing id of pending resource requests for reparented iframes.

content/browser/renderer_host/resource_dispatcher_host_request_info.h

Index: content/browser/renderer_host/resource_dispatcher_host_request_info.h
diff --git a/content/browser/renderer_host/resource_dispatcher_host_request_info.h b/content/browser/renderer_host/resource_dispatcher_host_request_info.h
index 5afdc3e541e7634013d9b17f68f0dddf5ea992d9..1e39b77f21eb702eaa7b8767119f9a96c9f07084 100644
--- a/content/browser/renderer_host/resource_dispatcher_host_request_info.h
+++ b/content/browser/renderer_host/resource_dispatcher_host_request_info.h
@@ -91,6 +91,10 @@ class ResourceDispatcherHostRequestInfo : public net::URLRequest::UserData {
   // or like-thing in the renderer that the request gets routed to).
   int route_id() const { return route_id_; }
 
+  // The route_id of pending request can change when it is transferred to a new
+  // page (as in iframe transfer using adoptNode JS API).
+  void set_route_id(int route_id) { route_id_ = route_id; }
+
   // The pid of the originating process, if the request is sent on behalf of a
   // another process.  Otherwise it is 0.
   int origin_pid() const { return origin_pid_; }