Turn of ash notification tray by default for M21.

chrome/browser/notifications/desktop_notification_service.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/notifications/desktop_notification_service.h"
 
 #include "base/metrics/histogram.h"
 #include "base/threading/thread.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 34 matching lines @@
 #include "ui/base/layout.h"
 #include "ui/base/resource/resource_bundle.h"
 
 #if defined(USE_ASH)
 #include "ash/ash_switches.h"
 #include "base/command_line.h"
 
 namespace {
 
 bool IsAshNotifyEnabled() {
-  return !CommandLine::ForCurrentProcess()->HasSwitch(
-      ash::switches::kAshNotifyDisabled);
+  return CommandLine::ForCurrentProcess()->HasSwitch(ash::switches::kAshNotify);
 }
 
 }  // namespace
 #endif
 
 using content::BrowserThread;
 using content::RenderViewHost;
 using content::WebContents;
 using WebKit::WebNotificationPresenter;
 using WebKit::WebTextDirection;
@@ skipping 456 matching lines @@
 
   if (setting == CONTENT_SETTING_ALLOW)
     return WebKit::WebNotificationPresenter::PermissionAllowed;
   if (setting == CONTENT_SETTING_BLOCK)
     return WebKit::WebNotificationPresenter::PermissionDenied;
   if (setting == CONTENT_SETTING_ASK)
     return WebKit::WebNotificationPresenter::PermissionNotAllowed;
   NOTREACHED() << "Invalid notifications settings value: " << setting;
   return WebKit::WebNotificationPresenter::PermissionNotAllowed;
 }