Remove the Exit menu item from the Wrench menu in Win/Ash.

chrome/browser/ui/toolbar/wrench_menu_model.cc

Index: chrome/browser/ui/toolbar/wrench_menu_model.cc
diff --git a/chrome/browser/ui/toolbar/wrench_menu_model.cc b/chrome/browser/ui/toolbar/wrench_menu_model.cc
index 2ee902ca3b09d28fc5f7da31cff253bd034a73f3..4413f405ed0140f75ce44f2ac7ef05f826406a28 100644
--- a/chrome/browser/ui/toolbar/wrench_menu_model.cc
+++ b/chrome/browser/ui/toolbar/wrench_menu_model.cc
@@ -613,7 +613,12 @@ void WrenchMenuModel::Build(bool is_new_menu, bool supports_new_separators) {
                            tools_menu_model_.get());
   }
 
-  if (browser_defaults::kShowExitMenuItem) {
+  bool show_exit_menu = browser_defaults::kShowExitMenuItem;
+#if defined(OS_WIN) && defined(USE_AURA)
+  if (browser_->host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH)
+    show_exit_menu = false;
+#endif
+  if (show_exit_menu) {
     AddSeparator(ui::NORMAL_SEPARATOR);
     AddItemWithStringId(IDC_EXIT, IDS_EXIT);
   }