This adds some plumbing for propagating the status and error code of a

chrome/browser/importer/importer.cc

 // Copyright (c) 2010 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/importer/importer.h"
 
 #include "app/l10n_util.h"
 #include "base/thread.h"
 #include "base/values.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
@@ skipping 419 matching lines @@
 
 void ExternalProcessImporterClient::CancelImportProcessOnIOThread() {
   profile_import_process_host_->CancelProfileImportProcess();
 }
 
 void ExternalProcessImporterClient::NotifyItemFinishedOnIOThread(
     importer::ImportItem import_item) {
   profile_import_process_host_->ReportImportItemFinished(import_item);
 }
 
-void ExternalProcessImporterClient::OnProcessCrashed() {
+void ExternalProcessImporterClient::OnProcessCrashed(int exit_code) {
   if (cancelled_)
     return;
 
   process_importer_host_->Cancel();
 }
 
 void ExternalProcessImporterClient::Cleanup() {
   if (cancelled_)
     return;
 
@@ skipping 135 matching lines @@
   template_url_vec.reserve(template_urls.size());
   std::vector<TemplateURL>::const_iterator iter;
   for (iter = template_urls.begin();
        iter != template_urls.end();
        ++iter) {
     template_url_vec.push_back(new TemplateURL(*iter));
   }
   bridge_->SetKeywords(template_url_vec, default_keyword_index,
                        unique_on_host_and_path);
 }