Update some uses of UTF conversions in chrome/browser to use the base:: namespace.

chrome/browser/ssl/ssl_error_info.cc

 // Copyright (c) 2012 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/ssl/ssl_error_info.h"
 
 #include "base/i18n/time_formatting.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/browser/cert_store.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "net/base/escape.h"
 #include "net/base/net_errors.h"
 #include "net/cert/cert_status_flags.h"
 #include "net/ssl/ssl_info.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "url/gurl.h"
 
+using base::UTF8ToUTF16;
+
 SSLErrorInfo::SSLErrorInfo(const base::string16& title,
                            const base::string16& details,
                            const base::string16& short_description,
                            const std::vector<base::string16>& extra_info)
     : title_(title),
       details_(details),
       short_description_(short_description),
       extra_information_(extra_info) {
 }
 
@@ skipping 287 matching lines @@
             cert_id, &cert);
         DCHECK(r);
       }
       if (errors)
         errors->push_back(
             SSLErrorInfo::CreateError(kErrorTypes[i], cert.get(), url));
     }
   }
   return count;
 }