MacViews: Fix gn check fail for mac_views_browser on Aura dependencies.

content/shell/browser/layout_test/layout_test_download_manager_delegate.cc

 // Copyright 2014 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 "content/shell/browser/layout_test/layout_test_download_manager_delegate.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <commdlg.h>
 #endif
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "content/public/browser/download_item.h"
 #include "content/public/browser/download_manager.h"
 #include "content/shell/browser/layout_test/blink_test_controller.h"
 #include "net/base/filename_util.h"
 
-#if defined(OS_WIN)
-#include "ui/aura/window.h"
-#include "ui/aura/window_tree_host.h"
+#if defined(OS_WIN) && defined(USE_AURA)
+#include "ui/aura/window.h"            // nogncheck
+#include "ui/aura/window_tree_host.h"  // nogncheck
 #endif
 
 namespace content {
 
 LayoutTestDownloadManagerDelegate::LayoutTestDownloadManagerDelegate()
     : ShellDownloadManagerDelegate() {}
 
 LayoutTestDownloadManagerDelegate::~LayoutTestDownloadManagerDelegate(){
 }
 
 bool LayoutTestDownloadManagerDelegate::ShouldOpenDownload(
       DownloadItem* item,
       const DownloadOpenDelayedCallback& callback) {
   if (BlinkTestController::Get()->IsMainWindow(item->GetWebContents()) &&
       item->GetMimeType() == "text/html") {
     BlinkTestController::Get()->OpenURL(
         net::FilePathToFileURL(item->GetFullPath()));
   }
   return true;
 }
 
 }  // namespace content