Fix the handling of user gestures for external protocol handler dialogs.

content/public/browser/resource_dispatcher_host_delegate.cc

Index: content/public/browser/resource_dispatcher_host_delegate.cc
diff --git a/content/public/browser/resource_dispatcher_host_delegate.cc b/content/public/browser/resource_dispatcher_host_delegate.cc
index 75adbe24acc75666e3d136a0c5b2aa363432dc29..fcc17d71f3a73c8a57c54e61c49678a03529a18e 100644
--- a/content/public/browser/resource_dispatcher_host_delegate.cc
+++ b/content/public/browser/resource_dispatcher_host_delegate.cc
@@ -48,7 +48,8 @@ ResourceDispatcherHostLoginDelegate*
 
 bool ResourceDispatcherHostDelegate::HandleExternalProtocol(const GURL& url,
                                                             int child_id,
-                                                            int route_id) {
+                                                            int route_id,
+                                                            bool user_gesture) {
   return true;
 }