Remove popup overlay from MHTML when requested

chrome/browser/android/offline_pages/recent_tab_helper.cc

 // Copyright (c) 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/android/offline_pages/recent_tab_helper.h"
 
 #include <queue>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 81 matching lines @@
 
   // No snapshots yet happened on the current page - return and wait for some.
   if (!is_page_ready_for_snapshot_)
     return;
 
   // If snapshot already happened and we missed it, go ahead and snapshot now.
   OfflinePageModel::SavePageParams save_page_params;
   save_page_params.url = web_contents()->GetLastCommittedURL();
   save_page_params.client_id = client_id;
   save_page_params.proposed_offline_id = request_id;
+  save_page_params.is_background = false;
   page_model_->SavePage(
       save_page_params,
       delegate_->CreatePageArchiver(web_contents()),
       base::Bind(&RecentTabHelper::SavePageCallback,
                  weak_ptr_factory_.GetWeakPtr()));
 }
 
 // Initialize lazily. It needs TabAndroid for initialization, which is also a
 // TabHelper - so can't initialize in constructor because of uncertain order
 // of creation of TabHelpers.
@@ skipping 170 matching lines @@
   else
     request_coordinator->EnableForOffliner(snapshot_info_->request_id,
                                            snapshot_info_->client_id);
 }
 
 ClientId RecentTabHelper::GetRecentPagesClientId() const {
   return ClientId(kLastNNamespace, tab_id_);
 }
 
 }  // namespace offline_pages