Fix extensions compile issues for Android on sync_unit_tests.

chrome/browser/extensions/app_notification_manager.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/extensions/app_notification_manager.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/file_path.h"
 #include "base/location.h"
@@ skipping 91 matching lines @@
   // it in error paths.
   linked_ptr<AppNotification> linked_item(item);
   if (!loaded())
     return false;
   const std::string& extension_id = item->extension_id();
   AppNotificationList& list = GetAllInternal(extension_id);
   list.push_back(linked_item);
 
   SyncAddChange(*linked_item);
 
-  sort(list.begin(), list.end(), AppNotificationSortPredicate);
+  std::sort(list.begin(), list.end(), AppNotificationSortPredicate);
 
   if (list.size() > AppNotificationManager::kMaxNotificationPerApp) {
     AppNotification* removed = list.begin()->get();
     SyncRemoveChange(*removed);
     list.erase(list.begin());
   }
 
   if (storage_.get()) {
     BrowserThread::PostTask(
         BrowserThread::FILE,
@@ skipping 421 matching lines @@
   AppNotification* notification = new AppNotification(
       false, base::Time::FromInternalValue(specifics.creation_timestamp_ms()),
       specifics.guid(), specifics.app_id(),
       specifics.title(), specifics.body_text());
   if (specifics.has_link_text())
     notification->set_link_text(specifics.link_text());
   if (specifics.has_link_url())
     notification->set_link_url(GURL(specifics.link_url()));
   return notification;
 }