chromeos: Remove TrayBubbleView::Delegate::OnBeforeBubbleWidgetInit

ash/system/web_notification/web_notification_tray.cc

Index: ash/system/web_notification/web_notification_tray.cc
diff --git a/ash/system/web_notification/web_notification_tray.cc b/ash/system/web_notification/web_notification_tray.cc
index ec4a84d448c5aee3795069af313f621b7d827e6b..3a8f9f17a604611e49b0aeda67d7b77b04f4ef90 100644
--- a/ash/system/web_notification/web_notification_tray.cc
+++ b/ash/system/web_notification/web_notification_tray.cc
@@ -4,7 +4,6 @@
 
 #include "ash/system/web_notification/web_notification_tray.h"
 
-#include "ash/public/cpp/shell_window_ids.h"
 #include "ash/resources/vector_icons/vector_icons.h"
 #include "ash/root_window_controller.h"
 #include "ash/session/session_controller.h"
@@ -88,8 +87,9 @@ class WebNotificationBubbleWrapper {
         tray->GetAnchorAlignment();
     views::TrayBubbleView::InitParams init_params =
         bubble->GetInitParams(anchor_alignment);
-    views::TrayBubbleView* bubble_view = views::TrayBubbleView::Create(
-        anchor_tray->GetBubbleAnchor(), tray, &init_params);
+    views::TrayBubbleView* bubble_view = new views::TrayBubbleView(
+        anchor_tray->GetBubbleWindowContainer(), anchor_tray->GetBubbleAnchor(),
+        tray, init_params);
     bubble_view->set_anchor_view_insets(anchor_tray->GetBubbleAnchorInsets());
     bubble_wrapper_.reset(new TrayBubbleWrapper(tray, bubble_view));
     bubble->InitializeContents(bubble_view);
@@ -453,16 +453,6 @@ base::string16 WebNotificationTray::GetAccessibleNameForBubble() {
   return GetAccessibleNameForTray();
 }
 
-void WebNotificationTray::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 WebNotificationTray::HideBubble(const views::TrayBubbleView* bubble_view) {
   HideBubbleWithView(bubble_view);
 }