[ash-md] Keeps overview mode shield above DesktopBackgroundView

ash/common/wm/overview/window_selector.cc

 // Copyright 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/overview/window_selector.h"
 
 #include <algorithm>
 #include <functional>
 #include <set>
 #include <utility>
@@ skipping 188 matching lines @@
                                 WmWindow* root_window,
                                 const gfx::ImageSkia& image,
                                 int* text_filter_bottom) {
   views::Widget* widget = new views::Widget;
   views::Widget::InitParams params;
   params.type = views::Widget::InitParams::TYPE_WINDOW_FRAMELESS;
   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
   params.accept_events = true;
   params.bounds = GetTextFilterPosition(root_window);
+  params.name = "OverviewModeTextFilter";
   *text_filter_bottom = params.bounds.bottom();
   root_window->GetRootWindowController()->ConfigureWidgetInitParamsForContainer(
       widget, kShellWindowId_StatusContainer, &params);
   widget->Init(params);
 
   // Use |container| to specify the padding surrounding the text and to give
   // the textfield rounded corners.
   const bool material = ash::MaterialDesignController::IsOverviewMaterial();
   views::View* container = new RoundedContainerView(
       material ? kTextFilterCornerRadiusMD : kTextFilterCornerRadius,
@@ skipping 499 matching lines @@
   for (size_t i = 0; i <= grid_list_.size() &&
                      grid_list_[selected_grid_index_]->Move(direction, animate);
        i++) {
     selected_grid_index_ =
         (selected_grid_index_ + display_direction + grid_list_.size()) %
         grid_list_.size();
   }
 }
 
 }  // namespace ash