Cleanup: Remove more unneeded browser_thread.h includes.

chrome/browser/chromeos/extensions/file_browser_notifications.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/extensions/file_browser_notifications.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "base/stl_util.h"
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/notifications/desktop_notification_service.h"
 #include "chrome/browser/notifications/notification_delegate.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/webui/web_ui_util.h"
-#include "content/public/browser/browser_thread.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
 namespace {
 
 struct NotificationTypeInfo {
   FileBrowserNotifications::NotificationType type;
   const char* notification_id_prefix;
@@ skipping 362 matching lines @@
 }
 
 string16 FileBrowserNotifications::GetNotificationMessageForTest(
     const std::string& id) const {
   NotificationMap::const_iterator it = notification_map_.find(id);
   if (it == notification_map_.end())
     return string16();
   return it->second->message();
 }