Refactor menu controller to isolate aura dependency.

ui/views/touchui/touch_selection_controller_impl.cc

Index: ui/views/touchui/touch_selection_controller_impl.cc
diff --git a/ui/views/touchui/touch_selection_controller_impl.cc b/ui/views/touchui/touch_selection_controller_impl.cc
index 7e9fca67d1f0b4147e840fe20d3cd849d2984a0b..1f8ee57f995023db905cb0d57a29ff26d70d5c88 100644
--- a/ui/views/touchui/touch_selection_controller_impl.cc
+++ b/ui/views/touchui/touch_selection_controller_impl.cc
@@ -7,6 +7,7 @@
 #include "base/time/time.h"
 #include "grit/ui_resources.h"
 #include "grit/ui_strings.h"
+#include "ui/aura/window.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/image.h"
@@ -16,7 +17,6 @@
 #include "ui/gfx/size.h"
 #include "ui/views/widget/widget.h"
 #include "ui/wm/core/masked_window_targeter.h"
-#include "ui/wm/core/shadow_types.h"
 #include "ui/wm/core/window_animations.h"
 
 namespace {
@@ -78,7 +78,7 @@ views::Widget* CreateTouchSelectionPopupWidget(
   params.parent = context;
   params.delegate = widget_delegate;
   widget->Init(params);
-  SetShadowType(widget->GetNativeView(), wm::SHADOW_TYPE_NONE);
+  widget->SetHasShadow(false);
   return widget;
 }