Reset the background of title label when selected by arrow keys.

ui/app_list/views/app_list_item_view.h

Index: ui/app_list/views/app_list_item_view.h
diff --git a/ui/app_list/views/app_list_item_view.h b/ui/app_list/views/app_list_item_view.h
index d5a651611b36de9586dad38831ca410e7937aa02..95ca4f3df83aa3fa24f854ed687f0d3fb06acbe1 100644
--- a/ui/app_list/views/app_list_item_view.h
+++ b/ui/app_list/views/app_list_item_view.h
@@ -81,6 +81,10 @@ class APP_LIST_EXPORT AppListItemView : public views::CustomButton,
   // the assuming bounds of this view.
   gfx::Rect GetIconBoundsForTargetViewBounds(const gfx::Rect& target_bounds);
 
+  // If the item is not in a folder, not highlighted, not being dragged, and not
+  // having something dropped onto it, enables subpixel AA for the title.
+  void SetTitleSubpixelAA();
+
   // views::CustomButton overrides:
   void OnGestureEvent(ui::GestureEvent* event) override;
 
@@ -109,10 +113,6 @@ class APP_LIST_EXPORT AppListItemView : public views::CustomButton,
   // Invoked when |mouse_drag_timer_| fires to show dragging UI.
   void OnMouseDragTimer();
 
-  // If the item is not in a folder, not highlighted, not being dragged, and not
-  // having something dropped onto it, enables subpixel AA for the title.
-  void SetTitleSubpixelAA();
-
   // views::View overrides:
   const char* GetClassName() const override;
   void Layout() override;