Sidebar mini tabs UI (views version)....

chrome/browser/ui/views/sidebar/sidebar_tab_strip_host_win.cc

+// Copyright (c) 2006-2009 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/sidebar/sidebar_tab_strip_host.h"
+#include "views/widget/widget_win.h"
+
+views::Widget* SidebarTabStripHost::CreateHost() {
+  views::WidgetWin* widget = new views::WidgetWin();
+  // Don't let WidgetWin manage our lifetime, BrowserView owns us.
+  widget->set_delete_on_destroy(false);
+  widget->set_window_style(WS_CHILD | WS_CLIPCHILDREN);
+  widget->set_window_ex_style(WS_EX_TOPMOST);
+
+  return widget;
+}
+
+void SidebarTabStripHost::SetWidgetPositionNative(const gfx::Rect& new_pos,
+                                                  bool no_redraw) {
+  DWORD swp_flags = SWP_NOOWNERZORDER;
+  if (no_redraw)
+    swp_flags |= SWP_NOREDRAW;
+  if (!host_->IsVisible())
+    swp_flags |= SWP_SHOWWINDOW;
+
+  ::SetWindowPos(host_->GetNativeView(), HWND_TOP, new_pos.x(), new_pos.y(),
+                 new_pos.width(), new_pos.height(), swp_flags);
+}
+