ash: Make sure the focus-border in the tray paints correctly, and tray-view should not be focusable

ash/system/tray/tray_views.h

Index: ash/system/tray/tray_views.h
diff --git a/ash/system/tray/tray_views.h b/ash/system/tray/tray_views.h
index e2a3eb2e44c9c306888db8a06fe6976a40cf08f2..f81764b508939936657b052fed91f340471ddfda 100644
--- a/ash/system/tray/tray_views.h
+++ b/ash/system/tray/tray_views.h
@@ -66,6 +66,8 @@ class ASH_EXPORT ActionableView : public views::View {
   const string16& accessible_name() const { return accessible_name_; }
 
  protected:
+  void DrawBorder(gfx::Canvas* canvas, const gfx::Rect& bounds);
+
   // Performs an action when user clicks on the view (on mouse-press event), or
   // presses a key when this view is in focus. Returns true if the event has
   // been handled and an action was performed. Returns false otherwise.