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 bf92b25faf1a98b9e4f7ec7ea1f6a3c67be6a213..ccd358f436f40c16cfe3b5dd8b092bfefee2ccad 100644
--- a/content/public/browser/resource_dispatcher_host_delegate.cc
+++ b/content/public/browser/resource_dispatcher_host_delegate.cc
@@ -46,9 +46,11 @@ ResourceDispatcherHostLoginDelegate*
   return NULL;
 }
 
-bool ResourceDispatcherHostDelegate::HandleExternalProtocol(const GURL& url,
-                                                            int child_id,
-                                                            int route_id) {
+bool ResourceDispatcherHostDelegate::HandleExternalProtocol(
+    const GURL& url,
+    int child_id,
+    int route_id,
+    bool initiated_by_user_gesture) {
   return true;
 }