Add timestamp to infobar for stale Previews

chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_io_data.cc

 // Copyright 2015 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/net/spdyproxy/data_reduction_proxy_chrome_io_data.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
@@ skipping 42 matching lines @@
     previews_service->previews_ui_service()->AddPreviewNavigation(url, type,
                                                                   opt_out);
   }
 }
 
 // If this is the first Lo-Fi response for a page load, a
 // PreviewsInfoBarDelegate is created, which handles showing Lo-Fi UI.
 void OnLoFiResponseReceivedOnUI(content::WebContents* web_contents) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   PreviewsInfoBarDelegate::Create(
-      web_contents, previews::PreviewsType::LOFI, true /* is_data_saver_user */,
+      web_contents, previews::PreviewsType::LOFI,
+      base::Time() /* previews_freshness */, true /* is_data_saver_user */,
       base::Bind(&AddPreviewNavigationToBlackListCallback,
                  web_contents->GetBrowserContext(),
                  web_contents->GetController()
                      .GetLastCommittedEntry()
                      ->GetRedirectChain()[0],
                  previews::PreviewsType::LOFI));
 }
 
 } // namespace
 
@@ skipping 19 matching lines @@
   data_reduction_proxy_io_data->set_lofi_decider(
       base::MakeUnique<data_reduction_proxy::ContentLoFiDecider>());
   data_reduction_proxy_io_data->set_resource_type_provider(
       base::MakeUnique<data_reduction_proxy::ContentResourceTypeProvider>());
   data_reduction_proxy_io_data->set_lofi_ui_service(
       base::MakeUnique<data_reduction_proxy::ContentLoFiUIService>(
           ui_task_runner, base::Bind(&OnLoFiResponseReceivedOnUI)));
 
   return data_reduction_proxy_io_data;
 }