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

chrome/test/chromedriver/window_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/window_commands.h"
 
 #include <list>
 
 #include "base/callback.h"
 #include "base/stringprintf.h"
@@ skipping 329 matching lines @@
     return status;
   value->reset(new base::StringValue(url));
   return Status(kOk);
 }
 
 Status ExecuteGoBack(
     Session* session,
     WebView* web_view,
     const base::DictionaryValue& params,
     scoped_ptr<base::Value>* value) {
-  return web_view->EvaluateScript("", "window.history.back();", value);
+  return web_view->EvaluateScript(
+      std::string(), "window.history.back();", value);
 }
 
 Status ExecuteGoForward(
     Session* session,
     WebView* web_view,
     const base::DictionaryValue& params,
     scoped_ptr<base::Value>* value) {
-  return web_view->EvaluateScript("", "window.history.forward();", value);
+  return web_view->EvaluateScript(
+      std::string(), "window.history.forward();", value);
 }
 
 Status ExecuteRefresh(
     Session* session,
     WebView* web_view,
     const base::DictionaryValue& params,
     scoped_ptr<base::Value>* value) {
   return web_view->Reload();
 }
 
@@ skipping 373 matching lines @@
     // |accuracy| is not part of the WebDriver spec yet, so if it is not given
     // default to 100 meters accuracy.
     geoposition.accuracy = 100;
   }
 
   Status status = web_view->OverrideGeolocation(geoposition);
   if (status.IsOk())
     session->overridden_geoposition.reset(new Geoposition(geoposition));
   return status;
 }