chrome: Update include paths of string_split.h to its new location.

chrome/browser/importer/toolbar_importer.cc

 // Copyright (c) 2012 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/toolbar_importer.h"
 
 #include <limits>
 
 #include "base/bind.h"
 #include "base/rand_util.h"
-#include "base/string_split.h"
 #include "base/strings/string_number_conversions.h"
+#include "base/strings/string_split.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/first_run/first_run.h"
 #include "chrome/browser/importer/importer_bridge.h"
 #include "chrome/browser/importer/importer_data_types.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/browser_thread.h"
 #include "grit/generated_resources.h"
 #include "net/base/load_flags.h"
 #include "net/url_request/url_fetcher.h"
 #include "third_party/libxml/chromium/libxml_utils.h"
@@ skipping 540 matching lines @@
 }
 
 void  Toolbar5Importer::AddBookmarksToChrome(
     const std::vector<ProfileWriter::BookmarkEntry>& bookmarks) {
   if (!bookmarks.empty() && !cancelled()) {
     const string16& first_folder_name =
         bridge_->GetLocalizedString(IDS_BOOKMARK_GROUP_FROM_GOOGLE_TOOLBAR);
     bridge_->AddBookmarks(bookmarks, first_folder_name);
   }
 }