Remove WmLookup.

ash/common/wm/panels/panel_window_resizer.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/wm/panels/panel_window_resizer.h"
 
 #include "ash/common/shelf/wm_shelf.h"
 #include "ash/common/wm/panels/panel_layout_manager.h"
 #include "ash/common/wm/window_parenting_utils.h"
 #include "ash/common/wm/window_state.h"
-#include "ash/common/wm_lookup.h"
 #include "ash/common/wm_window.h"
 #include "ash/common/wm_window_property.h"
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/root_window_controller.h"
+#include "ash/shell.h"
 #include "ui/base/hit_test.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/display/display.h"
 #include "ui/display/screen.h"
 
 namespace ash {
 
 namespace {
 
 const int kPanelSnapToLauncherDistance = 30;
@@ skipping 23 matching lines @@
   if (dst_display.id() !=
       panel_container_->GetRootWindow()->GetDisplayNearestWindow().id()) {
     // The panel is being dragged to a new display. If the previous container is
     // the current parent of the panel it will be informed of the end of drag
     // when the panel is reparented, otherwise let the previous container know
     // the drag is complete. If we told the panel's parent that the drag was
     // complete it would begin positioning the panel.
     if (GetTarget()->GetParent() != panel_container_)
       PanelLayoutManager::Get(panel_container_)->FinishDragging();
     WmWindow* dst_root =
-        WmLookup::Get()
-            ->GetRootWindowControllerWithDisplayId(dst_display.id())
+        Shell::GetRootWindowControllerWithDisplayId(dst_display.id())
             ->GetWindow();
     panel_container_ =
         dst_root->GetChildByShellWindowId(kShellWindowId_PanelContainer);
 
     // The panel's parent already knows that the drag is in progress for this
     // panel.
     if (panel_container_ && GetTarget()->GetParent() != panel_container_)
       PanelLayoutManager::Get(panel_container_)->StartDragging(GetTarget());
   }
   gfx::Point offset;
@@ skipping 129 matching lines @@
 
 void PanelWindowResizer::UpdateLauncherPosition() {
   if (panel_container_) {
     PanelLayoutManager::Get(panel_container_)
         ->shelf()
         ->UpdateIconPositionForPanel(GetTarget());
   }
 }
 
 }  // namespace ash