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

chrome/browser/ui/content_settings/content_setting_bubble_model.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 "chrome/browser/ui/content_settings/content_setting_bubble_model.h"
 
 #include "base/command_line.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/geolocation/geolocation_content_settings_map.h"
@@ skipping 188 matching lines @@
   }
 
  private:
   ContentSetting block_setting_;
   int selected_item_;
 
   // Initialize the radio group by setting the appropriate labels for the
   // content type and setting the default value based on the content setting.
   void SetRadioGroup() {
     GURL url = tab_contents()->tab_contents()->GetURL();
-    std::wstring display_host_wide;
+    string16 display_host_utf16;
     net::AppendFormattedHost(url,
-        UTF8ToWide(profile()->GetPrefs()->GetString(prefs::kAcceptLanguages)),
-        &display_host_wide, NULL, NULL);
-    std::string display_host(WideToUTF8(display_host_wide));
+        profile()->GetPrefs()->GetString(prefs::kAcceptLanguages),
+        &display_host_utf16);
+    std::string display_host(UTF16ToUTF8(display_host_utf16));
 
     if (display_host.empty())
       display_host = url.spec();
 
     const std::set<std::string>& resources =
         bubble_content().resource_identifiers;
 
     RadioGroup radio_group;
     radio_group.url = url;
 
@@ skipping 312 matching lines @@
   bubble_content_.resource_identifiers.insert(resource_identifier);
 }
 
 void ContentSettingBubbleModel::Observe(NotificationType type,
                                         const NotificationSource& source,
                                         const NotificationDetails& details) {
   DCHECK(type == NotificationType::TAB_CONTENTS_DESTROYED);
   DCHECK(source == Source<TabContents>(tab_contents_->tab_contents()));
   tab_contents_ = NULL;
 }