Move even more from WmShell to Shell

ash/common/shelf/shelf_layout_manager.cc

 // 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.
 
 #include "ash/common/shelf/shelf_layout_manager.h"
 
 #include <algorithm>
 #include <cmath>
 #include <vector>
 
@@ skipping 879 matching lines @@
   if (shelf_widget_->IsActive() ||
       (shelf_widget_->status_area_widget() &&
        shelf_widget_->status_area_widget()->IsActive()))
     return SHELF_AUTO_HIDE_SHOWN;
 
   const int64_t shelf_display_id =
       WmWindow::Get(shelf_widget_->GetNativeWindow())
           ->GetDisplayNearestWindow()
           .id();
   const std::vector<WmWindow*> windows =
-      WmShell::Get()->mru_window_tracker()->BuildWindowListIgnoreModal();
+      Shell::Get()->mru_window_tracker()->BuildWindowListIgnoreModal();
   // Process the window list and check if there are any visible windows.
   // Ignore app list windows that may be animating to hide after dismissal.
   bool visible_window = false;
   for (size_t i = 0; i < windows.size(); ++i) {
     if (windows[i] && windows[i]->IsVisible() && !IsAppListWindow(windows[i]) &&
         !windows[i]->GetWindowState()->IsMinimized() &&
         windows[i]->GetDisplayNearestWindow().id() == shelf_display_id) {
       visible_window = true;
       break;
     }
@@ skipping 237 matching lines @@
   gesture_drag_status_ = GESTURE_DRAG_NONE;
 }
 
 void ShelfLayoutManager::CancelGestureDrag() {
   gesture_drag_status_ = GESTURE_DRAG_CANCEL_IN_PROGRESS;
   UpdateVisibilityState();
   gesture_drag_status_ = GESTURE_DRAG_NONE;
 }
 
 }  // namespace ash