chromeos: Remove TrayBubbleView::Delegate::OnBeforeBubbleWidgetInit

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 3045bfd29e42250960c0d2a5d4985d9b6a31aa95..8ecf7a54005ff3cb93893edb4c7aa4d5de81ed56 100644
--- a/ui/message_center/views/message_center_bubble.cc
+++ b/ui/message_center/views/message_center_bubble.cc
@@ -79,17 +79,6 @@ void MessageCenterBubble::SetSettingsVisible() {
     initially_settings_visible_ = true;
 }
 
-views::TrayBubbleView::InitParams MessageCenterBubble::GetInitParams(
-    views::TrayBubbleView::AnchorAlignment anchor_alignment) {
-  views::TrayBubbleView::InitParams init_params =
-      GetDefaultInitParams(anchor_alignment);
-  init_params.min_width += kMarginBetweenItems * 2;
-  init_params.max_width += kMarginBetweenItems * 2;
-  init_params.max_height = max_height();
-  init_params.can_activate = true;
-  return init_params;
-}
-
 void MessageCenterBubble::InitializeContents(
     views::TrayBubbleView* new_bubble_view) {
   set_bubble_view(new_bubble_view);