Make browser windows override_redirect when dragging tabs.

ui/views/widget/widget_aura_utils.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 "ui/views/widget/widget_aura_utils.h"
 
 #include "base/logging.h"
 
 namespace views {
 
 ui::wm::WindowType GetAuraWindowTypeForWidgetType(
     Widget::InitParams::Type type) {
   switch (type) {
     case Widget::InitParams::TYPE_WINDOW:
+    case Widget::InitParams::TYPE_DRAG_BROWSER:
       return ui::wm::WINDOW_TYPE_NORMAL;
     case Widget::InitParams::TYPE_PANEL:
       return ui::wm::WINDOW_TYPE_PANEL;
     case Widget::InitParams::TYPE_CONTROL:
       return ui::wm::WINDOW_TYPE_CONTROL;
     case Widget::InitParams::TYPE_WINDOW_FRAMELESS:
     case Widget::InitParams::TYPE_POPUP:
     case Widget::InitParams::TYPE_BUBBLE:
     case Widget::InitParams::TYPE_DRAG:
       return ui::wm::WINDOW_TYPE_POPUP;
     case Widget::InitParams::TYPE_MENU:
       return ui::wm::WINDOW_TYPE_MENU;
     case Widget::InitParams::TYPE_TOOLTIP:
       return ui::wm::WINDOW_TYPE_TOOLTIP;
     default:
       NOTREACHED() << "Unhandled widget type " << type;
       return ui::wm::WINDOW_TYPE_UNKNOWN;
   }
 }
 
 }  // namespace views