Remove old (dead) app list code.

ui/app_list/views/app_list_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 UI_APP_LIST_VIEWS_APP_LIST_VIEW_H_
 #define UI_APP_LIST_VIEWS_APP_LIST_VIEW_H_
 
 #include <memory>
 
 #include "base/callback.h"
@@ skipping 32 matching lines @@
 // AppListView is the top-level view and controller of app list UI. It creates
 // and hosts a AppsGridView and passes AppListModel to it for display.
 class APP_LIST_EXPORT AppListView : public views::BubbleDialogDelegateView,
                                     public AppListViewDelegateObserver,
                                     public SpeechUIModelObserver {
  public:
   // Does not take ownership of |delegate|.
   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,
                                    int initial_apps_page,
                                    const gfx::Point& anchor_point_in_screen,
                                    views::BubbleBorder::Arrow arrow,
                                    bool border_accepts_events);
 
   // Initializes the widget as a frameless window, not a bubble.
   void InitAsFramelessWindow(gfx::NativeView parent,
@@ skipping 16 matching lines @@
   void ShowWhenReady();
 
   void CloseAppList();
 
   void UpdateBounds();
 
   // Enables/disables a semi-transparent overlay over the app list (good for
   // 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:
   gfx::Size GetPreferredSize() const override;
   void OnPaint(gfx::Canvas* canvas) override;
 
   // WidgetDelegate overrides:
   bool ShouldHandleSystemCommands() const override;
   bool ShouldDescendIntoChildForEventHandling(
       gfx::NativeView child,
@@ skipping 68 matching lines @@
 
   // For UMA and testing. If non-null, triggered when the app list is painted.
   base::Closure next_paint_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListView);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_VIEWS_APP_LIST_VIEW_H_