make StackingClient dispatch to either ash or desktop

chrome/browser/ui/views/omnibox/omnibox_popup_contents_view.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 "chrome/browser/ui/views/omnibox/omnibox_popup_contents_view.h"
 
 #include "chrome/browser/ui/omnibox/omnibox_view.h"
 #include "chrome/browser/ui/views/location_bar/location_bar_view.h"
 #include "chrome/browser/ui/views/omnibox/omnibox_popup_non_view.h"
 #include "chrome/browser/ui/views/omnibox/omnibox_result_view.h"
@@ skipping 198 matching lines @@
   target_bounds_ = new_target_bounds;
 
   if (popup_ == NULL) {
     // If the popup is currently closed, we need to create it.
     popup_ = (new AutocompletePopupWidget)->AsWeakPtr();
     views::Widget::InitParams params(views::Widget::InitParams::TYPE_POPUP);
     params.can_activate = false;
     params.transparent = true;
     params.parent_widget = location_bar_->GetWidget();
     params.bounds = GetPopupBounds();
+    params.context = location_bar_->GetWidget()->GetNativeView();
     popup_->Init(params);
 #if defined(USE_ASH)
     ash::SetWindowVisibilityAnimationType(
         popup_->GetNativeView(),
         ash::WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL);
     // Meanie-pants designers won't let us animate the appearance in
     // production, but we will do it anyway for desktop-aura for the time being
     // as it lets usverify quickly that hotness is enabled.
 #if defined(OS_CHROMEOS)
     // No animation for autocomplete popup appearance.
@@ skipping 321 matching lines @@
   if (HasMatchAt(index) && should_set_selected_line)
     model_->SetSelectedLine(index, false, false);
 }
 
 void OmniboxPopupContentsView::OpenSelectedLine(
     const ui::LocatedEvent& event,
     WindowOpenDisposition disposition) {
   size_t index = GetIndexForPoint(event.location());
   OpenIndex(index, disposition);
 }