Rewrite std::string("") to std::string(), Linux edition.

chrome/browser/ui/gtk/ssl_client_certificate_selector.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_client_certificate_selector.h"
 
 #include <gtk/gtk.h>
 
 #include <string>
 #include <vector>
@@ skipping 231 matching lines @@
           cert_request_info()->client_certs.size()))
     return cert_request_info()->client_certs[selected];
   return NULL;
 }
 
 // static
 std::string SSLClientCertificateSelector::FormatComboBoxText(
     net::X509Certificate::OSCertHandle cert, const std::string& nickname) {
   std::string rv(nickname);
   rv += " [";
-  rv += x509_certificate_model::GetSerialNumberHexified(cert, "");
+  rv += x509_certificate_model::GetSerialNumberHexified(cert, std::string());
   rv += ']';
   return rv;
 }
 
 // static
 std::string SSLClientCertificateSelector::FormatDetailsText(
     net::X509Certificate::OSCertHandle cert) {
   std::string rv;
 
   rv += l10n_util::GetStringFUTF8(
       IDS_CERT_SUBJECTNAME_FORMAT,
       UTF8ToUTF16(x509_certificate_model::GetSubjectName(cert)));
 
   rv += "\n  ";
   rv += l10n_util::GetStringFUTF8(
       IDS_CERT_SERIAL_NUMBER_FORMAT,
-      UTF8ToUTF16(
-          x509_certificate_model::GetSerialNumberHexified(cert, "")));
+      UTF8ToUTF16(x509_certificate_model::GetSerialNumberHexified(
+          cert, std::string())));
 
   base::Time issued, expires;
   if (x509_certificate_model::GetTimes(cert, &issued, &expires)) {
     string16 issued_str = base::TimeFormatShortDateAndTime(issued);
     string16 expires_str = base::TimeFormatShortDateAndTime(expires);
     rv += "\n  ";
     rv += l10n_util::GetStringFUTF8(IDS_CERT_VALIDITY_RANGE_FORMAT,
                                     issued_str, expires_str);
   }
 
@@ skipping 107 matching lines @@
     content::WebContents* contents,
     const net::HttpNetworkSession* network_session,
     net::SSLCertRequestInfo* cert_request_info,
     const base::Callback<void(net::X509Certificate*)>& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   (new SSLClientCertificateSelector(
       contents, network_session, cert_request_info, callback))->Show();
 }
 
 }  // namespace chrome