Turn of ash notification tray by default for M21.

chrome/browser/chromeos/locale_change_guard.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/chromeos/locale_change_guard.h"
 
 #include "ash/ash_switches.h"
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray.h"
 #include "base/bind.h"
@@ skipping 155 matching lines @@
     return;  // Already accepted.
 
   // Locale change detected, showing notification.
   if (from_locale_ != from_locale || to_locale_ != to_locale) {
     // Falling back to showing message in current locale.
     LOG(ERROR) <<
         "Showing locale change notification in current (not previous) language";
     PrepareChangingLocale(from_locale, to_locale);
   }
 
-  if (!CommandLine::ForCurrentProcess()->HasSwitch(
-          ash::switches::kAshNotifyDisabled)) {
+  if (CommandLine::ForCurrentProcess()->HasSwitch(ash::switches::kAshNotify)) {
     ash::Shell::GetInstance()->system_tray()->locale_observer()->
         OnLocaleChanged(this, cur_locale, from_locale_, to_locale_);
     return;
   }
 
   note_.reset(new chromeos::SystemNotification(
       profile_,
       new Delegate(this),
       IDR_NOTIFICATION_LOCALE_CHANGE,
       title_text_));
@@ skipping 56 matching lines @@
   if (by_user)
     master_->AcceptLocaleChange();
 }
 
 std::string LocaleChangeGuard::Delegate::id() const {
   // Arbitrary unique Id.
   return "8c386938-1e3f-11e0-ac7b-18a90520e2e5";
 }
 
 }  // namespace chromeos