Add timestamp support to the Previews infobar

chrome/browser/previews/previews_infobar_delegate.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/previews/previews_infobar_delegate.h"
 
 #include "base/metrics/histogram_macros.h"
 #include "base/optional.h"
 #include "chrome/browser/android/android_theme_resources.h"
 #include "chrome/browser/infobars/infobar_service.h"
@@ skipping 56 matching lines @@
   InfoBarService* infobar_service =
       InfoBarService::FromWebContents(web_contents);
 
   // The WebContents may not have TabHelpers set. If TabHelpers are not set,
   // don't show Previews infobars.
   if (!infobar_tab_helper || !infobar_service)
     return;
   if (infobar_tab_helper->displayed_preview_infobar())
     return;
 
+#if defined(OS_ANDROID)
+  infobars::InfoBar* infobar =
+      infobar_service->AddInfoBar(PreviewsInfoBarDelegate::CreateInfoBar(
+          infobar_service,
+          std::unique_ptr<PreviewsInfoBarDelegate>(new PreviewsInfoBarDelegate(
+              web_contents, infobar_type, is_data_saver_user,
+              on_dismiss_callback))));
+#else
   infobars::InfoBar* infobar =
       infobar_service->AddInfoBar(infobar_service->CreateConfirmInfoBar(
           std::unique_ptr<ConfirmInfoBarDelegate>(new PreviewsInfoBarDelegate(
               web_contents, infobar_type, is_data_saver_user,
               on_dismiss_callback))));
+#endif
 
   if (infobar && (infobar_type == LITE_PAGE || infobar_type == LOFI)) {
     auto* data_reduction_proxy_settings =
         DataReductionProxyChromeSettingsFactory::GetForBrowserContext(
             web_contents->GetBrowserContext());
     data_reduction_proxy_settings->IncrementLoFiUIShown();
   }
 
   RecordPreviewsInfoBarAction(infobar_type, INFOBAR_SHOWN);
   infobar_tab_helper->set_displayed_preview_infobar(true);
@@ skipping 80 matching lines @@
   } else if (infobar_type_ == OFFLINE) {
     // Prevent LoFi and lite page modes from showing after reload.
     // TODO(ryansturm): rename DISABLE_LOFI_MODE to DISABLE_PREVIEWS.
     //  crbug.com/707272
     web_contents->GetController().Reload(content::ReloadType::DISABLE_LOFI_MODE,
                                          true);
   }
 
   return true;
 }
+
+base::string16 PreviewsInfoBarDelegate::GetTimestampText() const {
+  return base::string16();
+}