cros: Enable WebUILoginView reuse.

chrome/browser/chromeos/login/ui/login_display_host_impl.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 "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
 
 #include <utility>
 #include <vector>
 
 #include "ash/common/wallpaper/wallpaper_controller.h"
@@ skipping 1123 matching lines @@
   } else {
     using ui::mojom::WindowManager;
     params.mus_properties[WindowManager::kContainerId_InitProperty] =
         mojo::ConvertTo<std::vector<uint8_t>>(
             ash::kShellWindowId_LockScreenContainer);
   }
   login_window_ = new views::Widget;
   params.delegate = new LoginWidgetDelegate(login_window_);
   login_window_->Init(params);
 
-  login_view_ = new WebUILoginView();
+  login_view_ = new WebUILoginView(WebUILoginView::WebViewSettings());
   login_view_->Init();
   if (login_view_->webui_visible())
     OnLoginPromptVisible();
 
   // Animations are not available in Mash
   if (!chrome::IsRunningInMash()) {
     login_window_->SetVisibilityAnimationDuration(
         base::TimeDelta::FromMilliseconds(kLoginFadeoutTransitionDurationMs));
     login_window_->SetVisibilityAnimationTransition(
         views::Widget::ANIMATE_HIDE);
@@ skipping 212 matching lines @@
 
   locale_util::SwitchLanguageCallback callback(
       base::Bind(&OnLanguageSwitchedCallback, base::Passed(std::move(data))));
 
   // Load locale keyboards here. Hardware layout would be automatically enabled.
   locale_util::SwitchLanguage(locale, true, true /* login_layouts_only */,
                               callback, ProfileManager::GetActiveUserProfile());
 }
 
 }  // namespace chromeos