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

chrome/test/chromedriver/session_commands.cc

 // Copyright (c) 2013 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/test/chromedriver/session_commands.h"
 
 #include <list>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 183 matching lines @@
     for (std::list<std::string>::const_iterator it = web_view_ids.begin();
          it != web_view_ids.end(); ++it) {
       scoped_ptr<base::Value> result;
       WebView* web_view;
       status = session->chrome->GetWebViewById(*it, &web_view);
       if (status.IsError())
         return status;
       status = web_view->ConnectIfNecessary();
       if (status.IsError())
         return status;
-      status = web_view->CallFunction("", kGetWindowNameScript, args, &result);
+      status = web_view->CallFunction(
+          std::string(), kGetWindowNameScript, args, &result);
       if (status.IsError())
         return status;
       std::string window_name;
       if (!result->GetAsString(&window_name))
         return Status(kUnknownError, "failed to get window name");
       if (window_name == name) {
         web_view_id = *it;
         found = true;
         break;
       }
@@ skipping 249 matching lines @@
     Session* session,
     const base::DictionaryValue& params,
     scoped_ptr<base::Value>* value) {
   AutomationExtension* extension = NULL;
   Status status = session->chrome->GetAutomationExtension(&extension);
   if (status.IsError())
     return status;
 
   return extension->MaximizeWindow();
 }