Consolidate bubble border code.

ui/app_list/app_list_view.h

Index: ui/app_list/app_list_view.h
diff --git a/ui/app_list/app_list_view.h b/ui/app_list/app_list_view.h
index a4d5c67e566071a86f7b8b20ee619caf051f5bc0..8ffecb93fdf499cf5e6514d126ea9e2ba1d07c80 100644
--- a/ui/app_list/app_list_view.h
+++ b/ui/app_list/app_list_view.h
@@ -14,7 +14,6 @@
 
 namespace app_list {
 
-class AppListBubbleBorder;
 class AppListModel;
 class AppListViewDelegate;
 class ContentsView;
@@ -63,9 +62,6 @@ class APP_LIST_EXPORT AppListView : public views::BubbleDelegateView,
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE;
 
-  // Overridden from views::BubbleDelegate:
-  virtual gfx::Rect GetBubbleBounds() OVERRIDE;
-
   // Overridden from SearchBoxViewDelegate:
   virtual void QueryChanged(SearchBoxView* sender) OVERRIDE;
 
@@ -79,7 +75,6 @@ class APP_LIST_EXPORT AppListView : public views::BubbleDelegateView,
   scoped_ptr<AppListModel> model_;
   scoped_ptr<AppListViewDelegate> delegate_;
 
-  AppListBubbleBorder* bubble_border_;  // Owned by views hierarchy.
   SearchBoxView* search_box_view_;  // Owned by views hierarchy.
   ContentsView* contents_view_;  // Owned by views hierarchy.