MacViews: Enable views based Download recovery dialog behind secondary-ui-md flag.

chrome/browser/ui/cocoa/download/download_danger_prompt_impl.cc

 // Copyright 2016 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/download_danger_prompt.h"
 
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/download/download_stats.h"
 #include "chrome/browser/extensions/api/experience_sampling_private/experience_sampling.h"
 #include "chrome/browser/safe_browsing/download_protection_service.h"
 #include "chrome/browser/ui/tab_modal_confirm_dialog.h"
 #include "chrome/browser/ui/tab_modal_confirm_dialog_delegate.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/strings/grit/components_strings.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/download_danger_type.h"
 #include "content/public/browser/download_item.h"
 #include "ui/base/l10n/l10n_util.h"
+#include "ui/base/material_design/material_design_controller.h"
 #include "url/gurl.h"
 
 using extensions::ExperienceSamplingEvent;
 using safe_browsing::ClientSafeBrowsingReportRequest;
 
 namespace {
 
 // TODO(wittman): Create a native web contents modal dialog implementation of
 // this dialog for non-Views platforms, to support bold formatting of the
 // message lead.
@@ skipping 218 matching lines @@
 }
 
 }  // namespace
 
 // static
 DownloadDangerPrompt* DownloadDangerPrompt::Create(
     content::DownloadItem* item,
     content::WebContents* web_contents,
     bool show_context,
     const OnDone& done) {
+  if (ui::MaterialDesignController::IsSecondaryUiMaterial())
+    return DownloadDangerPrompt::CreateDownloadDangerPromptViews(
+        item, web_contents, show_context, done);
+
   DownloadDangerPromptImpl* prompt =
       new DownloadDangerPromptImpl(item, web_contents, show_context, done);
   // |prompt| will be deleted when the dialog is done.
   TabModalConfirmDialog::Create(prompt, web_contents);
   return prompt;
 }