Remove old (dead) app list code.

ui/app_list/views/app_list_view.h

Index: ui/app_list/views/app_list_view.h
diff --git a/ui/app_list/views/app_list_view.h b/ui/app_list/views/app_list_view.h
index b0f834139d5bd967e8d24dfc641b7f463ce312a9..9380f9616122241c14a7528d32f8bad425302bd4 100644
--- a/ui/app_list/views/app_list_view.h
+++ b/ui/app_list/views/app_list_view.h
@@ -50,15 +50,6 @@ class APP_LIST_EXPORT AppListView : public views::BubbleDialogDelegateView,
   explicit AppListView(AppListViewDelegate* delegate);
   ~AppListView() override;
 
-  // Initializes the widget and use a given |anchor| plus an |anchor_offset| for
-  // positioning.
-  void InitAsBubbleAttachedToAnchor(gfx::NativeView parent,
-                                    int initial_apps_page,
-                                    views::View* anchor,
-                                    const gfx::Vector2d& anchor_offset,
-                                    views::BubbleBorder::Arrow arrow,
-                                    bool border_accepts_events);
-
   // Initializes the widget and use a fixed |anchor_point_in_screen| for
   // positioning.
   void InitAsBubbleAtFixedLocation(gfx::NativeView parent,
@@ -95,9 +86,6 @@ class APP_LIST_EXPORT AppListView : public views::BubbleDialogDelegateView,
   // hiding the app list when a modal dialog is being shown).
   void SetAppListOverlayVisible(bool visible);
 
-  // Returns true if the app list should be centered and in landscape mode.
-  bool ShouldCenterWindow() const;
-
   views::Widget* search_box_widget() const { return search_box_widget_; }
 
   // Overridden from views::View: