Window prerequisites for ShelfWindowWatcher panel support.

ash/common/test/test_shelf_item_delegate.cc

Index: ash/common/test/test_shelf_item_delegate.cc
diff --git a/ash/common/test/test_shelf_item_delegate.cc b/ash/common/test/test_shelf_item_delegate.cc
index 96916d677e071fa598307e4d01be04f208a63b09..6983a1edf91e1fa92041498d1ca2f63817fe9b7f 100644
--- a/ash/common/test/test_shelf_item_delegate.cc
+++ b/ash/common/test/test_shelf_item_delegate.cc
@@ -4,34 +4,11 @@
 
 #include "ash/common/test/test_shelf_item_delegate.h"
 
-#include "ash/common/wm_lookup.h"
 #include "ash/common/wm_window.h"
-#include "ui/events/event.h"
-#include "ui/views/view.h"
-#include "ui/views/widget/widget.h"
 
 namespace ash {
 namespace test {
 
-namespace {
-
-// Moves |window| to the root window where the |event| occurred.
-// Note: This was forked from ash/wm/window_util.h's wm::MoveWindowToEventRoot.
-void MoveWindowToEventRoot(WmWindow* window, const ui::Event& event) {
-  views::View* target = static_cast<views::View*>(event.target());
-  if (!target)
-    return;
-  WmWindow* target_root =
-      WmLookup::Get()->GetWindowForWidget(target->GetWidget())->GetRootWindow();
-  if (!target_root || target_root == window->GetRootWindow())
-    return;
-  WmWindow* window_container = target_root->GetChildByShellWindowId(
-      window->GetParent()->GetShellWindowId());
-  window_container->AddChild(window);
-}
-
-}  // namespace
-
 TestShelfItemDelegate::TestShelfItemDelegate(WmWindow* window)
     : window_(window), is_draggable_(true) {}
 
@@ -41,7 +18,7 @@ ShelfItemDelegate::PerformedAction TestShelfItemDelegate::ItemSelected(
     const ui::Event& event) {
   if (window_) {
     if (window_->GetType() == ui::wm::WINDOW_TYPE_PANEL)
-      MoveWindowToEventRoot(window_, event);
+      window_->MoveToEventRoot(event);
     window_->Show();
     window_->Activate();
     return kExistingWindowActivated;