importer: Cleanup ToolbarImporter code a little bit.

chrome/profile_import/profile_import_thread.cc

 // Copyright (c) 2011 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/profile_import/profile_import_thread.h"
 
 #include <algorithm>
 
 #include "base/values.h"
 #include "chrome/browser/importer/external_process_importer_bridge.h"
+#include "chrome/browser/importer/importer.h"
 #include "chrome/browser/importer/importer_list.h"
 #include "chrome/browser/importer/importer_messages.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "content/common/child_process.h"
 
 namespace {
 // Rather than sending all import items over IPC at once we chunk them into
 // separate requests.  This avoids the case of a large import causing
 // oversized IPC messages.
 const int kNumBookmarksToSend = 100;
@@ skipping 166 matching lines @@
   Send(new ProfileImportProcessHostMsg_NotifyKeywordsReady(urls,
       default_keyword_index, unique_on_host_and_path));
 }
 
 void ProfileImportThread::Cleanup() {
   importer_->Cancel();
   importer_ = NULL;
   bridge_ = NULL;
   ChildProcess::current()->ReleaseProcess();
 }