| Index: content/browser/renderer_host/resource_dispatcher_host.cc | 
| diff --git a/content/browser/renderer_host/resource_dispatcher_host.cc b/content/browser/renderer_host/resource_dispatcher_host.cc | 
| index 2ba1cdf04c0ec0beff573100c8351df4421a0a29..98dd2d6b5c08099a4ccd773c179251146c4e85a6 100644 | 
| --- a/content/browser/renderer_host/resource_dispatcher_host.cc | 
| +++ b/content/browser/renderer_host/resource_dispatcher_host.cc | 
| @@ -1589,6 +1589,7 @@ static int GetCertID(net::URLRequest* request, int child_id) { | 
|  | 
| void ResourceDispatcherHost::NotifyResponseStarted(net::URLRequest* request, | 
| int child_id) { | 
| +  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | 
| // Notify the observers on the IO thread. | 
| FOR_EACH_OBSERVER(Observer, observer_list_, OnRequestStarted(this, request)); | 
|  | 
|  |