Refactor menu dependency on aura/wm SetShadowType

ui/views/widget/desktop_aura/desktop_native_widget_aura.cc

Index: ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
diff --git a/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc b/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
index 3a3a9dd6a20257b75c7f6dcfc4e4f6e15e8f0d83..447633d98161184f078822be25688891030f4916 100644
--- a/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
+++ b/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
@@ -845,6 +845,12 @@ void DesktopNativeWidgetAura::SetOpacity(unsigned char opacity) {
     desktop_window_tree_host_->SetOpacity(opacity);
 }
 
+void DesktopNativeWidgetAura::SetHasActivationShadow(bool has_shadow) {
+  if (content_window_)
+    SetShadowType(content_window_, has_shadow ? wm::SHADOW_TYPE_RECTANGULAR
+                                              : wm::SHADOW_TYPE_NONE);
+}
+
 void DesktopNativeWidgetAura::SetUseDragFrame(bool use_drag_frame) {
 }