WidgetDelegateView is its own contents view.

chrome/browser/ui/views/screen_capture_notification_ui_views.cc

Index: chrome/browser/ui/views/screen_capture_notification_ui_views.cc
diff --git a/chrome/browser/ui/views/screen_capture_notification_ui_views.cc b/chrome/browser/ui/views/screen_capture_notification_ui_views.cc
index ba6d195620f9a38511b274c714bde8c0c8955ff8..3bb3727ebc66f231d11e2503451a67ef65bea930 100644
--- a/chrome/browser/ui/views/screen_capture_notification_ui_views.cc
+++ b/chrome/browser/ui/views/screen_capture_notification_ui_views.cc
@@ -95,7 +95,6 @@ class ScreenCaptureNotificationUIViews
 
   // views::WidgetDelegateView overrides.
   void DeleteDelegate() override;
-  views::View* GetContentsView() override;
   views::ClientView* CreateClientView(views::Widget* widget) override;
   views::NonClientFrameView* CreateNonClientFrameView(
       views::Widget* widget) override;
@@ -267,10 +266,6 @@ void ScreenCaptureNotificationUIViews::DeleteDelegate() {
   NotifyStopped();
 }
 
-views::View* ScreenCaptureNotificationUIViews::GetContentsView() {
-  return this;
-}
-
 views::ClientView* ScreenCaptureNotificationUIViews::CreateClientView(
     views::Widget* widget) {
   DCHECK(!client_view_);