Refactor menu controller to isolate aura dependency.

ui/views/widget/native_widget_aura.cc

Index: ui/views/widget/native_widget_aura.cc
diff --git a/ui/views/widget/native_widget_aura.cc b/ui/views/widget/native_widget_aura.cc
index f428259e841da0f65f44462004cb82b306ce2bb2..d47a56b1f6b7326318a617bbf21be5e29a301726 100644
--- a/ui/views/widget/native_widget_aura.cc
+++ b/ui/views/widget/native_widget_aura.cc
@@ -34,6 +34,7 @@
 #include "ui/views/widget/widget_aura_utils.h"
 #include "ui/views/widget/widget_delegate.h"
 #include "ui/views/widget/window_reorderer.h"
+#include "ui/wm/core/shadow_types.h"
 #include "ui/wm/core/window_util.h"
 #include "ui/wm/public/activation_client.h"
 #include "ui/wm/public/drag_drop_client.h"
@@ -577,6 +578,11 @@ void NativeWidgetAura::SetOpacity(unsigned char opacity) {
     window_->layer()->SetOpacity(opacity / 255.0);
 }
 
+void NativeWidgetAura::SetHasShadow(bool has_shadow) {
+  SetShadowType(window_, has_shadow ? wm::SHADOW_TYPE_RECTANGULAR
+                                    : wm::SHADOW_TYPE_NONE);
+}
+
 void NativeWidgetAura::SetUseDragFrame(bool use_drag_frame) {
   NOTIMPLEMENTED();
 }