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

chrome/browser/prerender/prerender_contents.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/prerender/prerender_contents.h"
 
 #include <algorithm>
 #include <functional>
 #include <utility>
 
@@ skipping 447 matching lines @@
 
 size_t PrerenderContents::pending_prerender_count() const {
   return pending_prerenders_.size();
 }
 
 WebContents* PrerenderContents::CreateWebContents(
     SessionStorageNamespace* session_storage_namespace) {
   // TODO(ajwong): Remove the temporary map once prerendering is aware of
   // multiple session storage namespaces per tab.
   content::SessionStorageNamespaceMap session_storage_namespace_map;
-  session_storage_namespace_map[""] = session_storage_namespace;
-  return  WebContents::CreateWithSessionStorage(
+  session_storage_namespace_map[std::string()] = session_storage_namespace;
+  return WebContents::CreateWithSessionStorage(
       WebContents::CreateParams(profile_), session_storage_namespace_map);
 }
 
 void PrerenderContents::NotifyPrerenderStart() {
   DCHECK_EQ(FINAL_STATUS_MAX, final_status_);
   FOR_EACH_OBSERVER(Observer, observer_list_, OnPrerenderStart(this));
 }
 
 void PrerenderContents::NotifyPrerenderStopLoading() {
   FOR_EACH_OBSERVER(Observer, observer_list_, OnPrerenderStopLoading(this));
@@ skipping 221 matching lines @@
 
 bool PrerenderContents::IsCrossSiteNavigationPending() const {
   if (!prerender_contents_)
     return false;
   return (prerender_contents_->GetSiteInstance() !=
           prerender_contents_->GetPendingSiteInstance());
 }
 
 
 }  // namespace prerender