No initial focusing of buttons in the message center bubble

ui/message_center/views/message_center_bubble.cc

Index: ui/message_center/views/message_center_bubble.cc
diff --git a/ui/message_center/views/message_center_bubble.cc b/ui/message_center/views/message_center_bubble.cc
index 8b1b7705c649f78591864a4e2f11e44a714fd3a0..d922c78f7926705fa47148da1397c02c70cba959 100644
--- a/ui/message_center/views/message_center_bubble.cc
+++ b/ui/message_center/views/message_center_bubble.cc
@@ -107,15 +107,6 @@ void MessageCenterBubble::InitializeContents(
   // |new_bubble_view| actually wants. See crbug.com/169390.
   bubble_view()->Layout();
   UpdateBubbleView();
-  views::FocusManager* focus_manager = bubble_view()->GetFocusManager();
-  // new_bubble_view should be a top level view and have a focus manager.
-  DCHECK(focus_manager);
-  views::View* next_focusable_view = focus_manager
-      ->GetNextFocusableView(nullptr, nullptr, false, false);
-  // The bubble may not have any focusable view (eg. on lock screen). In such
-  // case, |next_focusable_view| is null.
-  if (next_focusable_view)
-    next_focusable_view->RequestFocus();
 }
 
 void MessageCenterBubble::OnBubbleViewDestroyed() {