Vanquish views::BubbleDelegate{View,}

ui/views/widget/widget_delegate.cc

Index: ui/views/widget/widget_delegate.cc
diff --git a/ui/views/widget/widget_delegate.cc b/ui/views/widget/widget_delegate.cc
index ced90b6f392a8fe2936dea349fa2d9b215e87d1f..c5f9d97490c457d01995bd827481638c33a2b275 100644
--- a/ui/views/widget/widget_delegate.cc
+++ b/ui/views/widget/widget_delegate.cc
@@ -6,7 +6,6 @@
 
 #include "base/strings/utf_string_conversions.h"
 #include "ui/gfx/image/image_skia.h"
-#include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/view.h"
 #include "ui/views/views_delegate.h"
 #include "ui/views/widget/widget.h"
@@ -35,10 +34,6 @@ View* WidgetDelegate::GetInitiallyFocusedView() {
   return nullptr;
 }
 
-BubbleDelegateView* WidgetDelegate::AsBubbleDelegate() {
-  return nullptr;
-}
-
 BubbleDialogDelegateView* WidgetDelegate::AsBubbleDialogDelegate() {
   return nullptr;
 }