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

Index: chrome/browser/ui/content_settings/content_setting_bubble_model.cc
===================================================================
--- chrome/browser/ui/content_settings/content_setting_bubble_model.cc	(revision 82762)
+++ chrome/browser/ui/content_settings/content_setting_bubble_model.cc	(working copy)
@@ -206,11 +206,11 @@
   // 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();