message-center: Fix fling scroll in the list.

ui/message_center/views/message_view.cc

Index: ui/message_center/views/message_view.cc
diff --git a/ui/message_center/views/message_view.cc b/ui/message_center/views/message_view.cc
index 582350713d30954f0699acf92ff6577897864bcb..17ae21c484278706dddafd62f0aed868c00416b6 100644
--- a/ui/message_center/views/message_view.cc
+++ b/ui/message_center/views/message_view.cc
@@ -430,7 +430,8 @@ void MessageView::OnGestureEvent(ui::GestureEvent* event) {
   // even though the scroll gesture doesn't make no (or little) effects on the
   // slide-out behavior. See http://crbug.com/172991
 
-  if (!event->IsScrollGestureEvent())
+  if (!event->IsScrollGestureEvent() &&
+      event->type() != ui::ET_SCROLL_FLING_START)

[Jun Mukai, 2013/07/24 00:52:08]

by the way, should it also check ET_SCROLL_FLING_CANCEL in case the user wants
to cancel the fling scroll?

[sadrul, 2013/07/24 04:46:43]

Done.

(The gesture-recognizer never generates a FLING_CANCEL event. So confusingly
enough, we don't actually need to check for this. But it's better to check for
that for readability if nothing else.)

     return;
 
   if (scroller_)