Use a direct include of strings headers in chrome/browser/media_galleries/.

chrome/browser/media_galleries/fileapi/picasa/picasa_file_util.cc

 // Copyright 2013 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/media_galleries/fileapi/picasa/picasa_file_util.h"
 
 #include "base/basictypes.h"
-#include "base/string_util.h"
-#include "base/stringprintf.h"
+#include "base/strings/string_util.h"
+#include "base/strings/stringprintf.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/media_galleries/fileapi/media_file_system_mount_point_provider.h"
 #include "chrome/browser/media_galleries/fileapi/picasa/picasa_album_table_reader.h"
 #include "chrome/browser/media_galleries/fileapi/picasa/picasa_data_provider.h"
 #include "chrome/browser/media_galleries/imported_media_gallery_registry.h"
 #include "webkit/browser/fileapi/file_system_operation_context.h"
 #include "webkit/browser/fileapi/file_system_url.h"
 #include "webkit/common/fileapi/file_system_util.h"
 
@@ skipping 272 matching lines @@
   // intercepted by GetFileInfo()/CreateFileEnumerator(). Invalid cases
   // return a NOT_FOUND error.
   return base::PLATFORM_FILE_ERROR_NOT_FOUND;
 }
 
 PicasaDataProvider* PicasaFileUtil::DataProvider() {
   return chrome::ImportedMediaGalleryRegistry::PicasaDataProvider();
 }
 
 }  // namespace picasa