Move yet more from WmShell to Shell

ash/wm/panels/panel_window_resizer_unittest.cc

 // Copyright (c) 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/common/wm/panels/panel_window_resizer.h"
 
 #include "ash/common/shelf/shelf_layout_manager.h"
 #include "ash/common/shelf/shelf_model.h"
 #include "ash/common/shelf/shelf_widget.h"
 #include "ash/common/shelf/wm_shelf.h"
@@ skipping 23 matching lines @@
 namespace ash {
 
 class PanelWindowResizerTest : public test::AshTestBase {
  public:
   PanelWindowResizerTest() {}
   ~PanelWindowResizerTest() override {}
 
   void SetUp() override {
     AshTestBase::SetUp();
     UpdateDisplay("600x400");
-    model_ = WmShell::Get()->shelf_model();
+    model_ = Shell::Get()->shelf_model();
   }
 
   void TearDown() override { AshTestBase::TearDown(); }
 
  protected:
   gfx::Point CalculateDragPoint(const WindowResizer& resizer,
                                 int delta_x,
                                 int delta_y) const {
     gfx::Point location = resizer.GetInitialLocation();
     location.set_x(location.x() + delta_x);
@@ skipping 500 matching lines @@
 INSTANTIATE_TEST_CASE_P(LtrRtl,
                         PanelWindowResizerTextDirectionTest,
                         testing::Bool());
 INSTANTIATE_TEST_CASE_P(NormalPanelPopup,
                         PanelWindowResizerTransientTest,
                         testing::Values(ui::wm::WINDOW_TYPE_NORMAL,
                                         ui::wm::WINDOW_TYPE_PANEL,
                                         ui::wm::WINDOW_TYPE_POPUP));
 
 }  // namespace ash