Store original request URL in offline page metadata table

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 73 matching lines @@
     ReportDownloadStatusToRequestCoordinator();
     download_info_.reset();
     return;
   }
 
   // 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;
   page_model_->SavePage(
-      web_contents()->GetLastCommittedURL(),
-      client_id,
-      request_id,
+      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.
 void RecentTabHelper::EnsureInitialized() {
   if (snapshot_controller_)  // Initialized already.
@@ skipping 126 matching lines @@
 
 void RecentTabHelper::ContinueSnapshotAfterPurge(
     OfflinePageModel::DeletePageResult result) {
   if (!download_info_ ||
       result != OfflinePageModel::DeletePageResult::SUCCESS ||
       !IsSamePage()) {
     ReportSnapshotCompleted();
     return;
   }
 
-  page_model_->SavePage(snapshot_url_,
-                        download_info_->client_id_,
-                        download_info_->request_id_,
+  OfflinePageModel::SavePageParams save_page_params;
+  save_page_params.url = snapshot_url_;
+  save_page_params.client_id = download_info_->client_id_;
+  save_page_params.proposed_offline_id = download_info_->request_id_;
+  page_model_->SavePage(save_page_params,
                         delegate_->CreatePageArchiver(web_contents()),
                         base::Bind(&RecentTabHelper::SavePageCallback,
                                    weak_ptr_factory_.GetWeakPtr()));
 }
 
 void RecentTabHelper::SavePageCallback(OfflinePageModel::SavePageResult result,
                                        int64_t offline_id) {
   if (!download_info_)
     return;
   download_info_->page_snapshot_completed_ =
@@ skipping 32 matching lines @@
 bool RecentTabHelper::IsSamePage() const {
   return web_contents() &&
          (web_contents()->GetLastCommittedURL() == snapshot_url_);
 }
 
 ClientId RecentTabHelper::GetRecentPagesClientId() const {
   return ClientId(kLastNNamespace, tab_id_);
 }
 
 }  // namespace offline_pages