tweak the focus rectangle of TrayBackgroundView objects

ash/common/system/tray/tray_background_view.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ASH_COMMON_SYSTEM_TRAY_TRAY_BACKGROUND_VIEW_H_
 #define ASH_COMMON_SYSTEM_TRAY_TRAY_BACKGROUND_VIEW_H_
 
 #include <memory>
 
 #include "ash/ash_export.h"
@@ skipping 129 matching lines @@
   gfx::Insets GetBubbleAnchorInsets() const;
 
  protected:
   // ActionableView:
   std::unique_ptr<views::InkDropMask> CreateInkDropMask() const override;
   bool ShouldEnterPushedState(const ui::Event& event) override;
   bool PerformAction(const ui::Event& event) override;
   void HandlePerformActionResult(bool action_performed,
                                  const ui::Event& event) override;
   gfx::Rect GetFocusBounds() override;
+  void OnPaintFocus(gfx::Canvas* canvas) override;
 
  private:
   class TrayWidgetObserver;
 
   // ui::ImplicitAnimationObserver:
   void OnImplicitAnimationsCompleted() override;
   bool RequiresNotificationWhenAnimatorDestroyed() const override;
 
   // Applies transformations to the |layer()| to animate the view when
   // SetVisible(false) is called.
@@ skipping 29 matching lines @@
 
   std::unique_ptr<TrayWidgetObserver> widget_observer_;
   std::unique_ptr<TrayEventFilter> tray_event_filter_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayBackgroundView);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_SYSTEM_TRAY_TRAY_BACKGROUND_VIEW_H_