ash: Use SessionController instead of SessionStateDelegate

ash/common/shelf/shelf_widget.cc

 // Copyright 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.
 
 #include "ash/common/shelf/shelf_widget.h"
 
 #include "ash/animation/animation_change_type.h"
 #include "ash/common/focus_cycler.h"
-#include "ash/common/session/session_state_delegate.h"
+#include "ash/common/session/session_controller.h"
 #include "ash/common/shelf/app_list_button.h"
 #include "ash/common/shelf/shelf_background_animator_observer.h"
 #include "ash/common/shelf/shelf_constants.h"
 #include "ash/common/shelf/shelf_delegate.h"
 #include "ash/common/shelf/shelf_layout_manager.h"
 #include "ash/common/shelf/shelf_view.h"
 #include "ash/common/shelf/wm_shelf.h"
 #include "ash/common/shelf/wm_shelf_util.h"
 #include "ash/common/system/status_area_layout_manager.h"
 #include "ash/common/system/status_area_widget.h"
@@ skipping 156 matching lines @@
   background_animator_.RemoveObserver(delegate_view_);
   background_animator_.RemoveObserver(this);
 }
 
 void ShelfWidget::CreateStatusAreaWidget(WmWindow* status_container) {
   DCHECK(status_container);
   DCHECK(!status_area_widget_);
   // TODO(jamescook): Move ownership to RootWindowController.
   status_area_widget_ = new StatusAreaWidget(status_container, wm_shelf_);
   status_area_widget_->CreateTrayViews();
-  if (WmShell::Get()->GetSessionStateDelegate()->IsActiveUserSessionStarted())
+  if (WmShell::Get()->session_controller()->IsActiveUserSessionStarted())
     status_area_widget_->Show();
   WmShell::Get()->focus_cycler()->AddWidget(status_area_widget_);
   background_animator_.AddObserver(status_area_widget_);
   status_container->SetLayoutManager(
       base::MakeUnique<StatusAreaLayoutManager>(this));
 }
 
 void ShelfWidget::SetPaintsBackground(ShelfBackgroundType background_type,
                                       AnimationChangeType change_type) {
   background_animator_.PaintBackground(background_type, change_type);
@@ skipping 48 matching lines @@
   // Ensure the newly created |shelf_| gets current values.
   background_animator_.NotifyObserver(this);
 
   // TODO(jamescook): The IsActiveUserSessionStarted() check may not be needed
   // because the shelf is only created after the first user session is active.
   // The ShelfView seems to always be visible after login. At the lock screen
   // the shelf is hidden because its container is hidden. During auto-hide it is
   // hidden because ShelfWidget is transparent. Some of the ShelfView visibility
   // code could be simplified. http://crbug.com/674773
   shelf_view_->SetVisible(
-      WmShell::Get()->GetSessionStateDelegate()->IsActiveUserSessionStarted());
+      WmShell::Get()->session_controller()->IsActiveUserSessionStarted());
   shelf_layout_manager_->LayoutShelf();
   shelf_layout_manager_->UpdateAutoHideState();
   Show();
 }
 
 bool ShelfWidget::IsShelfVisible() const {
   return shelf_view_ && shelf_view_->visible();
 }
 
 bool ShelfWidget::IsShowingAppList() const {
@@ skipping 84 matching lines @@
   if (shelf_view_)
     shelf_view_->UpdateShelfItemBackground(color);
 }
 
 void ShelfWidget::WillDeleteShelfLayoutManager() {
   shelf_layout_manager_->RemoveObserver(this);
   shelf_layout_manager_ = nullptr;
 }
 
 }  // namespace ash