Refactor menu dependency on aura/wm SetShadowType

ui/views/window/dialog_delegate.cc

Index: ui/views/window/dialog_delegate.cc
diff --git a/ui/views/window/dialog_delegate.cc b/ui/views/window/dialog_delegate.cc
index 7af50a4d07e264e7e92bd0dded805fb0643f9184..640738da98260347e3a2aa55353fa6699af64dc1 100644
--- a/ui/views/window/dialog_delegate.cc
+++ b/ui/views/window/dialog_delegate.cc
@@ -13,7 +13,6 @@
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_observer.h"
 #include "ui/views/window/dialog_client_view.h"
-#include "ui/wm/core/shadow_types.h"
 
 namespace views {
 
@@ -166,8 +165,7 @@ NonClientFrameView* DialogDelegate::CreateDialogFrameView(Widget* widget) {
     if (titlebar_view)
       frame->SetTitlebarExtraView(titlebar_view);
   }
-  // TODO(msw): Add a matching shadow type and remove the bubble frame border?
-  wm::SetShadowType(widget->GetNativeWindow(), wm::SHADOW_TYPE_NONE);
+  widget->SetHasActivationShadow(false);
   return frame;
 }