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

chrome/browser/extensions/api/proxy/proxy_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.
 
 // Implementation of the Chrome Extensions Proxy Settings API.
 
 #include "chrome/browser/extensions/api/proxy/proxy_api.h"
 
 #include "base/json/json_writer.h"
 #include "base/stringprintf.h"
@@ skipping 23 matching lines @@
 }
 
 void ProxyEventRouter::OnProxyError(
     EventRouterForwarder* event_router,
     void* profile,
     int error_code) {
   scoped_ptr<ListValue> args(new ListValue());
   DictionaryValue* dict = new DictionaryValue();
   dict->SetBoolean(keys::kProxyEventFatal, true);
   dict->SetString(keys::kProxyEventError, net::ErrorToString(error_code));
-  dict->SetString(keys::kProxyEventDetails, "");
+  dict->SetString(keys::kProxyEventDetails, std::string());
   args->Append(dict);
 
   if (profile) {
     event_router->DispatchEventToRenderers(
         keys::kProxyEventOnProxyError, args.Pass(), profile, true, GURL());
   } else {
     event_router->BroadcastEventToRenderers(
         keys::kProxyEventOnProxyError, args.Pass(), GURL());
   }
 }
@@ skipping 118 matching lines @@
       extension_pref->Set(keys::kProxyConfigRules, proxy_rules_dict);
       break;
     }
     case ProxyPrefs::kModeCount:
       NOTREACHED();
   }
   return extension_pref.release();
 }
 
 }  // namespace extensions