Choose the right window to switch to when a panel is deactivated on Windows.

chrome/browser/ui/panels/panel_browser_window_gtk.cc

 // Copyright (c) 2011 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/panels/panel_browser_window_gtk.h"
 
 #include "chrome/browser/ui/panels/panel.h"
 #include "chrome/browser/ui/panels/panel_manager.h"
 #include "chrome/browser/ui/panels/panel_settings_menu_model.h"
 #include "chrome/common/chrome_notification_types.h"
@@ skipping 523 matching lines @@
       PanelBrowserWindowGtk* panel_browser_window_gtk);
 
  private:
   virtual void PressLeftMouseButtonTitlebar(
       const gfx::Point& point) OVERRIDE;
   virtual void ReleaseMouseButtonTitlebar() OVERRIDE;
   virtual void DragTitlebar(int delta_x, int delta_y) OVERRIDE;
   virtual void CancelDragTitlebar() OVERRIDE;
   virtual void FinishDragTitlebar() OVERRIDE;
   virtual bool VerifyDrawingAttention() const OVERRIDE;
+  virtual bool VerifyTitlebarPaintedAsActive(bool as_active) OVERRIDE;
 
   PanelBrowserWindowGtk* panel_browser_window_gtk_;
 };
 
 // static
 NativePanelTesting* NativePanelTesting::Create(NativePanel* native_panel) {
   return new NativePanelTestingGtk(static_cast<PanelBrowserWindowGtk*>(
       native_panel));
 }
 
@@ skipping 55 matching lines @@
 }
 
 bool NativePanelTestingGtk::VerifyDrawingAttention() const {
   std::string title;
   BrowserWindowGtk::TitleDecoration decoration =
       panel_browser_window_gtk_->GetWindowTitle(&title);
   return panel_browser_window_gtk_->IsDrawingAttention() &&
          decoration == BrowserWindowGtk::PANGO_MARKUP;
 }
 
+bool NativePanelTestingGtk::VerifyTitlebarPaintedAsActive(bool as_active) {
+  // TODO(jianli): to be implemented.
+  return false;
+}