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

chrome/browser/extensions/api/web_socket_proxy_private/web_socket_proxy_private_api.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/extensions/api/web_socket_proxy_private/web_socket_proxy_private_api.h"
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
@@ skipping 77 matching lines @@
       return;
     }
   }
   NOTREACHED();
   OnHostResolution(net::ERR_UNEXPECTED);
 #endif
 }
 
 bool WebSocketProxyPrivate::RunImpl() {
   AddRef();
-  SetResult(Value::CreateStringValue(""));
+  SetResult(Value::CreateStringValue(std::string()));
 
 #if defined(OS_CHROMEOS)
   bool delay_response = false;
 
   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &hostname_));
   EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(1, &port_));
 
   listening_port_ = chromeos::WebSocketProxyController::GetPort();
   if (listening_port_ < 1) {
     delay_response = true;
@@ skipping 90 matching lines @@
 #if defined(OS_CHROMEOS)
   std::string passport = chrome::InternalAuthGeneration::GeneratePassport(
       "web_socket_proxy", map_) + std::string(":");
   if (ContainsKey(map_, "addr"))
     passport += map_["addr"];
   SetResult(Value::CreateStringValue(passport));
 #endif
 }
 
 }  // namespace extensions