Add the navigation redirect-chain to Sync sessions proto for offline analysis.

content/browser/frame_host/navigator_impl.cc

 // Copyright 2013 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 "content/browser/frame_host/navigator_impl.h"
 
 #include "base/command_line.h"
 #include "content/browser/frame_host/frame_tree.h"
 #include "content/browser/frame_host/frame_tree_node.h"
 #include "content/browser/frame_host/navigation_controller_impl.h"
@@ skipping 59 matching lines @@
                                              controller_->GetBrowserContext()));
       entry->set_site_instance(
           static_cast<SiteInstanceImpl*>(
               render_frame_host->render_view_host()->GetSiteInstance()));
       // TODO(creis): If there's a pending entry already, find a safe way to
       // update it instead of replacing it and copying over things like this.
       if (pending_entry) {
         entry->set_transferred_global_request_id(
             pending_entry->transferred_global_request_id());
         entry->set_should_replace_entry(pending_entry->should_replace_entry());
-        entry->set_redirect_chain(pending_entry->redirect_chain());
+        entry->SetRedirectChain(pending_entry->GetRedirectChain());
       }
       controller_->SetPendingEntry(entry);
       if (delegate_)
         delegate_->NotifyChangedNavigationState(content::INVALIDATE_TYPE_URL);
     }
   }
 
   if (delegate_) {
     // Notify the observer about the start of the provisional load.
     delegate_->DidStartProvisionalLoad(
@@ skipping 84 matching lines @@
         render_frame_host->GetSiteInstance(), page_id);
   }
   if (!entry || entry->GetURL() != validated_source_url)
     return;
 
   delegate_->DidRedirectProvisionalLoad(
       render_frame_host, validated_target_url);
 }
 
 }  // namespace content