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

chrome/browser/printing/cloud_print/cloud_print_setup_source.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/printing/cloud_print/cloud_print_setup_source.h"
 
 #include "base/memory/ref_counted_memory.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
@@ skipping 69 matching lines @@
     // Start by setting the per-locale URLs we show on the setup wizard.
     dict->SetString("invalidpasswordhelpurl",
                    GetLocalizedUrl(kInvalidPasswordHelpUrl));
     dict->SetString("cannotaccessaccounturl",
                    GetLocalizedUrl(kCanNotAccessAccountUrl));
     dict->SetString("createnewaccounturl",
                    GetLocalizedUrl(kCreateNewAccountUrl));
 
     // None of the strings used here currently have sync-specific wording in
     // them.  There is a unit test to catch if that happens.
-    dict->SetString("introduction", "");
+    dict->SetString("introduction", std::string());
     AddString(dict, "signinprefix", IDS_SYNC_LOGIN_SIGNIN_PREFIX);
     AddString(dict, "signinsuffix", IDS_SYNC_LOGIN_SIGNIN_SUFFIX);
     AddString(dict, "cannotbeblank", IDS_SYNC_CANNOT_BE_BLANK);
     AddString(dict, "emaillabel", IDS_SYNC_LOGIN_EMAIL_SAME_LINE);
     AddString(dict, "passwordlabel", IDS_SYNC_LOGIN_PASSWORD_SAME_LINE);
     AddString(dict, "invalidcredentials", IDS_SYNC_INVALID_USER_CREDENTIALS);
     AddString(dict, "signin", IDS_SYNC_SIGNIN);
     AddString(dict, "couldnotconnect", IDS_SYNC_LOGIN_COULD_NOT_CONNECT);
     AddString(dict, "cannotaccessaccount", IDS_SYNC_CANNOT_ACCESS_ACCOUNT);
     AddString(dict, "createaccount", IDS_SYNC_CREATE_ACCOUNT);
@@ skipping 37 matching lines @@
   return false;
 }
 
 std::string CloudPrintSetupSource::GetLocalizedUrl(
     const std::string& url) const {
   GURL original_url(url);
   DCHECK(original_url.is_valid());
   GURL localized_url = google_util::AppendGoogleLocaleParam(original_url);
   return localized_url.spec();
 }