Use scoped_refptr for refcounted param in DomStorageDispatcherHost.

chrome/browser/in_process_webkit/dom_storage_dispatcher_host.cc

Index: chrome/browser/in_process_webkit/dom_storage_dispatcher_host.cc
diff --git a/chrome/browser/in_process_webkit/dom_storage_dispatcher_host.cc b/chrome/browser/in_process_webkit/dom_storage_dispatcher_host.cc
index 8e2ad99f972c08938c279f317acde2eeea05600d..9e8bcb93d12f61c878aaf6d853d54c2095f77d60 100644
--- a/chrome/browser/in_process_webkit/dom_storage_dispatcher_host.cc
+++ b/chrome/browser/in_process_webkit/dom_storage_dispatcher_host.cc
@@ -153,7 +153,8 @@ void DOMStorageDispatcherHost::OnStorageAreaId(int64 namespace_id,
       resource_message_filter_->GetRequestContextForURL(GURL(origin));
   BrowserThread::PostTask(BrowserThread::WEBKIT, FROM_HERE, NewRunnableMethod(
       this, &DOMStorageDispatcherHost::OnStorageAreaIdWebKit, namespace_id,
-      origin, reply_msg, url_request_context->host_content_settings_map()));
+      origin, reply_msg,
+      make_scoped_refptr(url_request_context->host_content_settings_map())));
 }
 
 void DOMStorageDispatcherHost::OnStorageAreaIdWebKit(