[WebsiteSettings] Enable permission bubbles by default.

chrome/browser/download/download_permission_request.cc

Index: chrome/browser/download/download_permission_request.cc
diff --git a/chrome/browser/download/download_permission_request.cc b/chrome/browser/download/download_permission_request.cc
index 18e19959337d86d03d0a7b0f729395e642298789..552a7e149d228bea854a96458e39320a4692365f 100644
--- a/chrome/browser/download/download_permission_request.cc
+++ b/chrome/browser/download/download_permission_request.cc
@@ -29,8 +29,10 @@ base::string16 DownloadPermissionRequest::GetMessageTextFragment() const {
 
 bool DownloadPermissionRequest::HasUserGesture() const {
   // TODO(gbillock): user gesture for multiple downloads is difficult to
-  // propagate, and the normal thing is that it is background.
-  return false;
+  // propagate, and the normal thing is that it is background. So lie to
+  // the manager and say it is user gestured. This needs to be examined
+  // for policy coherence...
+  return true;
 }
 
 GURL DownloadPermissionRequest::GetRequestingHostname() const {