Use a direct include of utf_string_conversions.h in chrome/browser/ui/, part 2.

chrome/browser/ui/webui/print_preview/print_preview_handler.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/ui/webui/print_preview/print_preview_handler.h"
 
 #include <ctype.h>
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/i18n/file_util_icu.h"
 #include "base/i18n/number_formatting.h"
 #include "base/json/json_reader.h"
 #include "base/lazy_instance.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
 #include "base/prefs/pref_service.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_restrictions.h"
-#include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/platform_util.h"
 #include "chrome/browser/printing/cloud_print/cloud_print_url.h"
 #include "chrome/browser/printing/print_dialog_cloud.h"
 #include "chrome/browser/printing/print_error_dialog.h"
 #include "chrome/browser/printing/print_job_manager.h"
 #include "chrome/browser/printing/print_preview_dialog_controller.h"
 #include "chrome/browser/printing/print_system_task_proxy.h"
 #include "chrome/browser/printing/print_view_manager.h"
@@ skipping 1045 matching lines @@
     // Nothing to print, no preview available.
     return false;
   }
   DCHECK(tmp_data->size() && tmp_data->front());
 
   *data = tmp_data;
   *title = print_preview_ui->initiator_tab_title();
   return true;
 }