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 273 matching lines @@
     ReportSnapshotCompleted(snapshot_info);
     return;
   }
 
   snapshot_info->expected_page_quality =
       snapshot_controller_->current_page_quality();
   OfflinePageModel::SavePageParams save_page_params;
   save_page_params.url = snapshot_url_;
   save_page_params.client_id = snapshot_info->client_id;
   save_page_params.proposed_offline_id = snapshot_info->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(), snapshot_info));
 }
 
 void RecentTabHelper::SavePageCallback(SnapshotProgressInfo* snapshot_info,
                                        OfflinePageModel::SavePageResult result,
                                        int64_t offline_id) {
   DCHECK(snapshot_info->IsForLastN() ||
@@ skipping 41 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