Switch to standard integer types in chrome/browser/, part 1 of 4.

chrome/browser/download/notification/download_notification.cc

 // Copyright 2015 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/download/notification/download_notification.h"
 
+#include "base/macros.h"
 #include "chrome/browser/download/notification/download_notification_manager.h"
 
 namespace {
 
 ///////////////////////////////////////////////////////////////////////////////
 // NotificationWatcher class:
 ///////////////////////////////////////////////////////////////////////////////
 
 class NotificationWatcher : public NotificationDelegate {
  public:
@@ skipping 50 matching lines @@
 
 NotificationDelegate* DownloadNotification::watcher() const {
   return watcher_.get();
 }
 
 void DownloadNotification::InvokeUnsafeForceNotificationFlush(
     message_center::MessageCenter* message_center, const std::string& id) {
   DCHECK(message_center);
   message_center->ForceNotificationFlush(id);
 }