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

chrome/browser/profile_import_process_host.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/profile_import_process_host.h"
 
 #include "app/l10n_util.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/string_number_conversions.h"
@@ skipping 106 matching lines @@
 
 void ProfileImportProcessHost::OnMessageReceived(const IPC::Message& message) {
   DCHECK(ChromeThread::CurrentlyOn(ChromeThread::IO));
   ChromeThread::PostTask(
       thread_id_, FROM_HERE,
       NewRunnableMethod(import_process_client_.get(),
                         &ImportProcessClient::OnMessageReceived,
                         message));
 }
 
-void ProfileImportProcessHost::OnProcessCrashed() {
+void ProfileImportProcessHost::OnProcessCrashed(int exit_code) {
   DCHECK(ChromeThread::CurrentlyOn(ChromeThread::IO));
   ChromeThread::PostTask(
       thread_id_, FROM_HERE,
       NewRunnableMethod(import_process_client_.get(),
-                        &ImportProcessClient::OnProcessCrashed));
+                        &ImportProcessClient::OnProcessCrashed,
+                        exit_code));
 }
 
 void ProfileImportProcessHost::ImportProcessClient::OnMessageReceived(
     const IPC::Message& message) {
   IPC_BEGIN_MESSAGE_MAP(ProfileImportProcessHost, message)
     // Notification messages about the state of the import process.
     IPC_MESSAGE_HANDLER(ProfileImportProcessHostMsg_Import_Started,
                         ImportProcessClient::OnImportStart)
     IPC_MESSAGE_HANDLER(ProfileImportProcessHostMsg_Import_Finished,
                         ImportProcessClient::OnImportFinished)
@@ skipping 16 matching lines @@
     IPC_MESSAGE_HANDLER(ProfileImportProcessHostMsg_NotifyFavIconsImportStart,
                         ImportProcessClient::OnFavIconsImportStart)
     IPC_MESSAGE_HANDLER(ProfileImportProcessHostMsg_NotifyFavIconsImportGroup,
                         ImportProcessClient::OnFavIconsImportGroup)
     IPC_MESSAGE_HANDLER(ProfileImportProcessHostMsg_NotifyPasswordFormReady,
                         ImportProcessClient::OnPasswordFormImportReady)
     IPC_MESSAGE_HANDLER(ProfileImportProcessHostMsg_NotifyKeywordsReady,
                         ImportProcessClient::OnKeywordsImportReady)
   IPC_END_MESSAGE_MAP_EX()
 }