Convert GetDisplayStringInLTRDirectionality from wstring to string16.

chrome/browser/views/download_item_view.cc

Index: chrome/browser/views/download_item_view.cc
diff --git a/chrome/browser/views/download_item_view.cc b/chrome/browser/views/download_item_view.cc
index 7ceb5499599cbe5f4f091fda44e8d1ed676b1e04..7dc9d5a87c708e7fdabbb24eb039a5756f31fce0 100644
--- a/chrome/browser/views/download_item_view.cc
+++ b/chrome/browser/views/download_item_view.cc
@@ -15,6 +15,7 @@
 #include "base/i18n/rtl.h"
 #include "base/string_util.h"
 #include "base/sys_string_conversions.h"
+#include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_theme_provider.h"
 #include "chrome/browser/download/download_item_model.h"
@@ -285,7 +286,8 @@ DownloadItemView::DownloadItemView(DownloadItem* download,
     } else {
       ElideString(rootname, kFileNameMaxLength - extension.length(), &rootname);
       std::wstring filename = rootname + L"." + extension;
-      base::i18n::GetDisplayStringInLTRDirectionality(&filename);
+      filename = UTF16ToWide(base::i18n::GetDisplayStringInLTRDirectionality(
+          WideToUTF16(filename)));
       dangerous_download_label_ = new views::Label(
           l10n_util::GetStringF(IDS_PROMPT_DANGEROUS_DOWNLOAD, filename));
     }