Apply new WM shadows to app list.

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"
 #include "base/macros.h"
-#include "base/observer_list.h"
 #include "build/build_config.h"
 #include "ui/app_list/app_list_export.h"
 #include "ui/app_list/speech_ui_model_observer.h"
 #include "ui/views/bubble/bubble_dialog_delegate.h"
 #include "ui/views/widget/widget.h"
 
 namespace base {
 class FilePath;
 }
 
 namespace app_list {
 class ApplicationDragAndDropHost;
 class AppListMainView;
 class AppListModel;
 class AppListViewDelegate;
-class AppListViewObserver;
 class HideViewAnimationObserver;
 class PaginationModel;
 class SearchBoxView;
 class SpeechView;
 
 namespace test {
 class AppListViewTestApi;
 }
 
 // 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 SpeechUIModelObserver {
  public:
   // Does not take ownership of |delegate|.
   explicit AppListView(AppListViewDelegate* delegate);
   ~AppListView() override;
 
-  // 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.
+  void InitAsBubble(gfx::NativeView parent, int initial_apps_page);
 
   // Initializes the widget as a frameless window, not a bubble.
   void InitAsFramelessWindow(gfx::NativeView parent,
                              int initial_apps_page,
                              gfx::Rect bounds);
 
   void SetBubbleArrow(views::BubbleBorder::Arrow arrow);
 
   void SetAnchorPoint(const gfx::Point& anchor_point);
 
@@ skipping 23 matching lines @@
   void OnPaint(gfx::Canvas* canvas) override;
 
   // WidgetDelegate overrides:
   bool ShouldHandleSystemCommands() const override;
   bool ShouldDescendIntoChildForEventHandling(
       gfx::NativeView child,
       const gfx::Point& location) override;
 
   void SetProfileByPath(const base::FilePath& profile_path);
 
-  void AddObserver(AppListViewObserver* observer);
-  void RemoveObserver(AppListViewObserver* observer);
-
   AppListMainView* app_list_main_view() { return app_list_main_view_; }
 
   // Gets the PaginationModel owned by this view's apps grid.
   PaginationModel* GetAppsPaginationModel();
 
   // Overridden from views::View:
   bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
   void Layout() override;
   void SchedulePaintInRect(const gfx::Rect& rect) override;
 
  private:
   friend class test::AppListViewTestApi;
 
   void InitContents(gfx::NativeView parent, int initial_apps_page);
 
   void InitChildWidgets();
 
-  void InitAsBubbleInternal(gfx::NativeView parent,
-                            int initial_apps_page,
-                            views::BubbleBorder::Arrow arrow,
-                            bool border_accepts_events,
-                            const gfx::Vector2d& anchor_offset);
-
   // Overridden from views::BubbleDialogDelegateView:
   void OnBeforeBubbleWidgetInit(views::Widget::InitParams* params,
                                 views::Widget* widget) const override;
   int GetDialogButtons() const override;
 
   // Overridden from views::WidgetDelegateView:
   views::View* GetInitiallyFocusedView() override;
   bool WidgetHasHitTestMask() const override;
   void GetWidgetHitTestMask(gfx::Path* mask) const override;
 
   // Overridden from views::WidgetObserver:
   void OnWidgetDestroying(views::Widget* widget) override;
   void OnWidgetVisibilityChanged(views::Widget* widget, bool visible) override;
-  void OnWidgetActivationChanged(views::Widget* widget, bool active) override;
 
   // Overridden from SpeechUIModelObserver:
   void OnSpeechRecognitionStateChanged(
       SpeechRecognitionState new_state) override;
 
   AppListViewDelegate* delegate_;  // Weak. Owned by AppListService.
 
   AppListMainView* app_list_main_view_;
   SpeechView* speech_view_;
 
   views::View* search_box_focus_host_;  // Owned by the views hierarchy.
   views::Widget* search_box_widget_;  // Owned by the app list's widget.
   SearchBoxView* search_box_view_;    // Owned by |search_box_widget_|.
 
   // A semi-transparent white overlay that covers the app list while dialogs are
   // open.
   views::View* overlay_view_;
 
-  base::ObserverList<AppListViewObserver> observers_;
   std::unique_ptr<HideViewAnimationObserver> animation_observer_;
 
   // 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_