Convert infobar APIs to UTF-16.

chrome/browser/download/download_request_infobar_delegate.cc

 // Copyright (c) 2009 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/download/download_request_infobar_delegate.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 
 DownloadRequestInfoBarDelegate::DownloadRequestInfoBarDelegate(TabContents* tab,
     DownloadRequestLimiter::TabDownloadState* host)
     : ConfirmInfoBarDelegate(tab),
       host_(host) {
   if (tab)
     tab->AddInfoBar(this);
 }
 
 DownloadRequestInfoBarDelegate::~DownloadRequestInfoBarDelegate() {
 }
 
 void DownloadRequestInfoBarDelegate::InfoBarClosed() {
   Cancel();
   // This will delete us.
   ConfirmInfoBarDelegate::InfoBarClosed();
 }
 
-std::wstring DownloadRequestInfoBarDelegate::GetMessageText() const {
-  return l10n_util::GetString(IDS_MULTI_DOWNLOAD_WARNING);
+string16 DownloadRequestInfoBarDelegate::GetMessageText() const {
+  return l10n_util::GetStringUTF16(IDS_MULTI_DOWNLOAD_WARNING);
 }
 
 SkBitmap* DownloadRequestInfoBarDelegate::GetIcon() const {
   return ResourceBundle::GetSharedInstance().GetBitmapNamed(
       IDR_INFOBAR_MULTIPLE_DOWNLOADS);
 }
 
 int DownloadRequestInfoBarDelegate::GetButtons() const {
   return BUTTON_OK | BUTTON_CANCEL;
 }
 
-std::wstring DownloadRequestInfoBarDelegate::GetButtonLabel(
+string16 DownloadRequestInfoBarDelegate::GetButtonLabel(
     ConfirmInfoBarDelegate::InfoBarButton button) const {
   if (button == BUTTON_OK)
-    return l10n_util::GetString(IDS_MULTI_DOWNLOAD_WARNING_ALLOW);
+    return l10n_util::GetStringUTF16(IDS_MULTI_DOWNLOAD_WARNING_ALLOW);
   else
-    return l10n_util::GetString(IDS_MULTI_DOWNLOAD_WARNING_DENY);
+    return l10n_util::GetStringUTF16(IDS_MULTI_DOWNLOAD_WARNING_DENY);
 }
 
 bool DownloadRequestInfoBarDelegate::Accept() {
   if (host_) {
     // Accept() call will nullify host_ if no further prompts are required.
     host_->Accept();
   }
 
   return !host_;
 }
 
 bool DownloadRequestInfoBarDelegate::Cancel() {
   if (host_) {
     host_->Cancel();
     host_ = NULL;
   }
   return true;
 }