Makes Panel related classes use ash/wm/common types

ash/wm/overview/window_selector.cc

 // Copyright 2013 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/wm/overview/window_selector.h"
 
 #include <algorithm>
 #include <functional>
 #include <set>
 #include <utility>
 #include <vector>
 
 #include "ash/accessibility_delegate.h"
 #include "ash/ash_switches.h"
 #include "ash/metrics/user_metrics_recorder.h"
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/switchable_windows.h"
+#include "ash/wm/aura/wm_window_aura.h"
 #include "ash/wm/mru_window_tracker.h"
 #include "ash/wm/overview/window_grid.h"
 #include "ash/wm/overview/window_selector_delegate.h"
 #include "ash/wm/overview/window_selector_item.h"
 #include "ash/wm/panels/panel_layout_manager.h"
 #include "ash/wm/window_state.h"
 #include "ash/wm/window_state_aura.h"
 #include "ash/wm/window_util.h"
 #include "base/auto_reset.h"
 #include "base/command_line.h"
@@ skipping 241 matching lines @@
     // windows.
     for (size_t i = 0; i < kSwitchableWindowContainerIdsLength; ++i) {
       aura::Window* container = Shell::GetContainer(*iter,
           kSwitchableWindowContainerIds[i]);
       container->AddObserver(this);
       observed_windows_.insert(container);
     }
 
     // Hide the callout widgets for panels. It is safe to call this for
     // root windows that don't contain any panel windows.
-    static_cast<PanelLayoutManager*>(
-        Shell::GetContainer(*iter, kShellWindowId_PanelContainer)
-            ->layout_manager())->SetShowCalloutWidgets(false);
+    PanelLayoutManager::Get(wm::WmWindowAura::Get(*iter))
+        ->SetShowCalloutWidgets(false);
 
     std::unique_ptr<WindowGrid> grid(new WindowGrid(*iter, windows, this));
     if (grid->empty())
       continue;
     num_items_ += grid->size();
     grid_list_.push_back(std::move(grid));
   }
 
   {
     // The calls to WindowGrid::PrepareForOverview() and CreateTextFilter(...)
@@ skipping 39 matching lines @@
 // calls to restoring_minimized_windows() on a partially destructed object.
 void WindowSelector::Shutdown() {
   ResetFocusRestoreWindow(true);
   RemoveAllObservers();
 
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   for (aura::Window::Windows::const_iterator iter = root_windows.begin();
        iter != root_windows.end(); iter++) {
     // Un-hide the callout widgets for panels. It is safe to call this for
     // root_windows that don't contain any panel windows.
-    static_cast<PanelLayoutManager*>(
-        Shell::GetContainer(*iter, kShellWindowId_PanelContainer)
-            ->layout_manager())->SetShowCalloutWidgets(true);
+    PanelLayoutManager::Get(wm::WmWindowAura::Get(*iter))
+        ->SetShowCalloutWidgets(true);
   }
 
   size_t remaining_items = 0;
   for (WindowGrid* window_grid : grid_list_) {
     for (WindowSelectorItem* window_selector_item : window_grid->window_list())
       window_selector_item->RestoreWindow();
     remaining_items += window_grid->size();
   }
 
   DCHECK(num_items_ >= remaining_items);
@@ skipping 280 matching lines @@
   for (size_t i = 0;
       i <= grid_list_.size() &&
       grid_list_[selected_grid_index_]->Move(direction, animate); i++) {
     selected_grid_index_ =
         (selected_grid_index_ + display_direction + grid_list_.size()) %
         grid_list_.size();
   }
 }
 
 }  // namespace ash