chromeos: Remove TrayBubbleView::Delegate::OnBeforeBubbleWidgetInit

ash/system/tray/system_tray.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/system/tray/system_tray.h"
 
 #include <algorithm>
 #include <map>
 #include <vector>
 
@@ skipping 563 matching lines @@
 
 void SystemTray::OnMouseExitedView() {
   if (system_bubble_)
     system_bubble_->bubble()->RestartAutoCloseTimer();
 }
 
 base::string16 SystemTray::GetAccessibleNameForBubble() {
   return GetAccessibleNameForTray();
 }
 
-void SystemTray::OnBeforeBubbleWidgetInit(
-    views::Widget* anchor_widget,
-    views::Widget* bubble_widget,
-    views::Widget::InitParams* params) const {
-  // Place the bubble in the same root window as |anchor_widget|.
-  RootWindowController::ForWindow(anchor_widget->GetNativeWindow())
-      ->ConfigureWidgetInitParamsForContainer(
-          bubble_widget, kShellWindowId_SettingBubbleContainer, params);
-}
-
 void SystemTray::HideBubble(const TrayBubbleView* bubble_view) {
   HideBubbleWithView(bubble_view);
 }
 
 TrayCast* SystemTray::GetTrayCastForTesting() const {
   return tray_cast_;
 }
 
 TrayEnterprise* SystemTray::GetTrayEnterpriseForTesting() const {
   return tray_enterprise_;
@@ skipping 104 matching lines @@
           .work_area()
           .height();
   if (work_area_height > 0) {
     UMA_HISTOGRAM_CUSTOM_COUNTS(
         "Ash.SystemMenu.PercentageOfWorkAreaHeightCoveredByMenu",
         100 * bubble_view->height() / work_area_height, 1, 300, 100);
   }
 }
 
 }  // namespace ash