While building the system menu for the Chrome browser frame we should add the separator after the

chrome/browser/ui/views/frame/browser_frame_win.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/frame/browser_frame_win.h"
 
 #include <dwmapi.h>
 #include <shellapi.h>
 #include <set>
 
@@ skipping 453 matching lines @@
 
   DwmExtendFrameIntoClientArea(GetNativeView(), &margins);
 }
 
 void BrowserFrameWin::BuildSystemMenuForBrowserWindow() {
   system_menu_contents_->AddSeparator(ui::NORMAL_SEPARATOR);
 
   if (chrome::CanOpenTaskManager()) {
     system_menu_contents_->AddItemWithStringId(IDC_TASK_MANAGER,
                                                IDS_TASK_MANAGER);
+    system_menu_contents_->AddSeparator(ui::NORMAL_SEPARATOR);
   }
-  system_menu_contents_->AddSeparator(ui::NORMAL_SEPARATOR);
   system_menu_contents_->AddItemWithStringId(IDC_RESTORE_TAB, IDS_RESTORE_TAB);
   system_menu_contents_->AddItemWithStringId(IDC_NEW_TAB, IDS_NEW_TAB);
   AddFrameToggleItems();
   // If it's a regular browser window with tabs, we don't add any more items,
   // since it already has menus (Page, Chrome).
 }
 
 void BrowserFrameWin::BuildSystemMenuForAppOrPopupWindow() {
   Browser* browser = browser_view()->browser();
   if (browser->is_app() && chrome::CanOpenTaskManager()) {
@@ skipping 129 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // NativeBrowserFrame, public:
 
 // static
 NativeBrowserFrame* NativeBrowserFrame::CreateNativeBrowserFrame(
     BrowserFrame* browser_frame,
     BrowserView* browser_view) {
   return new BrowserFrameWin(browser_frame, browser_view);
 }