Remove remote tree host and some related input and metro_driver code

chrome/browser/plugins/plugin_infobar_delegates.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/plugins/plugin_infobar_delegates.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/path_service.h"
@@ skipping 20 matching lines @@
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 #if defined(ENABLE_PLUGIN_INSTALLATION)
 #include "chrome/browser/plugins/plugin_installer.h"
 #endif
 
 #if defined(OS_WIN)
 #include <shellapi.h>
 #include "ui/base/win/shell.h"
-
-#if defined(USE_AURA)
-#include "ui/aura/remote_window_tree_host_win.h"
-#endif
 #endif
 
 using base::UserMetricsAction;
 
 #if defined(ENABLE_PLUGIN_INSTALLATION)
 
 // OutdatedPluginInfoBarDelegate ----------------------------------------------
 
 void OutdatedPluginInfoBarDelegate::Create(
     InfoBarService* infobar_service,
@@ skipping 153 matching lines @@
     const base::string16& message) {
   DCHECK(infobar->owner());
   infobar->owner()->ReplaceInfoBar(
       infobar,
       infobar->owner()->CreateConfirmInfoBar(
           scoped_ptr<ConfirmInfoBarDelegate>(new OutdatedPluginInfoBarDelegate(
               installer, std::move(plugin_metadata), message))));
 }
 
 #endif  // defined(ENABLE_PLUGIN_INSTALLATION)