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

chrome/browser/ui/views/download/download_danger_prompt_views.cc

 // Copyright 2013 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/compiler_specific.h"
 #include "chrome/browser/download/download_stats.h"
 #include "chrome/browser/extensions/api/experience_sampling_private/experience_sampling.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/constrained_window/constrained_window_views.h"
 #include "components/strings/grit/components_strings.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.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/resource/resource_bundle.h"
+#include "ui/base/ui_features.h"
 #include "ui/views/controls/button/label_button.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/grid_layout.h"
 #include "ui/views/view.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/window/dialog_client_view.h"
 #include "ui/views/window/dialog_delegate.h"
 #include "url/gurl.h"
 
 using extensions::ExperienceSamplingEvent;
@@ skipping 288 matching lines @@
     }
     download_->RemoveObserver(this);
     download_ = NULL;
   }
   if (!done.is_null())
     done.Run(action);
 }
 
 }  // namespace
 
+#if !defined(OS_MACOSX) || BUILDFLAG(MAC_VIEWS_BROWSER)

[karandeepb, 2017/01/23 06:51:40]

maybe we can have a 
#define COCOA_BROWSER #defined(OS_MACOSX) && !BUILDFLAG(MAC_VIEWS_BROWSER) 
somwhere, as this pattern becomes more common.

+// static
 DownloadDangerPrompt* DownloadDangerPrompt::Create(
     content::DownloadItem* item,
     content::WebContents* web_contents,
     bool show_context,
     const OnDone& done) {
+  return DownloadDangerPrompt::CreateDownloadDangerPromptViews(
+      item, web_contents, show_context, done);
+}
+#endif
+
+// static
+DownloadDangerPrompt* DownloadDangerPrompt::CreateDownloadDangerPromptViews(
+    content::DownloadItem* item,
+    content::WebContents* web_contents,
+    bool show_context,
+    const OnDone& done) {
   DownloadDangerPromptViews* download_danger_prompt =
       new DownloadDangerPromptViews(item, show_context, done);
   constrained_window::ShowWebModalDialogViews(download_danger_prompt,
                                               web_contents);
   return download_danger_prompt;
 }