[ash-md] Allows ToggleButton to have a border and adds focus rectangle

ash/common/system/tray/tray_popup_utils.h

Index: ash/common/system/tray/tray_popup_utils.h
diff --git a/ash/common/system/tray/tray_popup_utils.h b/ash/common/system/tray/tray_popup_utils.h
index d772e14f4cd8687838a8f236d206288d67fae301..f299257ee667063dad8c5dd2eccd8bc11c47e1b8 100644
--- a/ash/common/system/tray/tray_popup_utils.h
+++ b/ash/common/system/tray/tray_popup_utils.h
@@ -25,6 +25,7 @@ class LayoutManager;
 class Separator;
 class Slider;
 class SliderListener;
+class ToggleButton;
 }  // namespace views
 
 namespace ash {
@@ -91,6 +92,11 @@ class TrayPopupUtils {
   // with a FillLayout.
   static views::Slider* CreateSlider(views::SliderListener* listener);
 
+  // Returns a ToggleButton that has been configured for system menu layout.
+  static views::ToggleButton* CreateToggleButton(
+      views::ButtonListener* listener,
+      int accessible_name_id);
+
   // Sets up |view| to be a sticky header in a tray detail scroll view.
   static void ConfigureAsStickyHeader(views::View* view);