Eliminate wstring from base/utf_offset_string_conversions.h, net/base/escape.h, and net/base/net_...

content/browser/tab_contents/tab_contents.cc

 // Copyright (c) 2011 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 "content/browser/tab_contents/tab_contents.h"
 
 #include <cmath>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
@@ skipping 2185 matching lines @@
   browser::HideHungRendererDialog(this);
 }
 
 void TabContents::LoadStateChanged(const GURL& url,
                                    net::LoadState load_state,
                                    uint64 upload_position,
                                    uint64 upload_size) {
   load_state_ = load_state;
   upload_position_ = upload_position;
   upload_size_ = upload_size;
-  std::wstring languages =
-      UTF8ToWide(profile()->GetPrefs()->GetString(prefs::kAcceptLanguages));
-  std::string host = url.host();
-  load_state_host_ = WideToUTF16Hack(
-      net::IDNToUnicode(host.c_str(), host.size(), languages, NULL));
+  load_state_host_ = net::IDNToUnicode(url.host(),
+      profile()->GetPrefs()->GetString(prefs::kAcceptLanguages));
   if (load_state_ == net::LOAD_STATE_READING_RESPONSE)
     SetNotWaitingForResponse();
   if (is_loading())
     NotifyNavigationStateChanged(INVALIDATE_LOAD | INVALIDATE_TAB);
 }
 
 bool TabContents::IsExternalTabContainer() const {
   if (!delegate())
     return false;
 
@@ skipping 216 matching lines @@
 
 void TabContents::CreateViewAndSetSizeForRVH(RenderViewHost* rvh) {
   RenderWidgetHostView* rwh_view = view()->CreateViewForWidget(rvh);
   rwh_view->SetSize(view()->GetContainerSize());
 }
 
 void TabContents::OnOnlineStateChanged(bool online) {
   render_view_host()->Send(new ViewMsg_NetworkStateChanged(
       render_view_host()->routing_id(), online));
 }