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

chrome/browser/ui/browser_tabrestore.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/ui/browser_tabrestore.h"
 
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/session_service.h"
 #include "chrome/browser/sessions/session_service_factory.h"
@@ skipping 32 matching lines @@
     bool from_last_session,
     content::SessionStorageNamespace* session_storage_namespace,
     const std::string& user_agent_override) {
   GURL restore_url = navigations.at(selected_navigation).virtual_url();
   // TODO(ajwong): Remove the temporary session_storage_namespace_map when
   // we teach session restore to understand that one tab can have multiple
   // SessionStorageNamespace objects. Also remove the
   // session_storage_namespace.h include since we only need that to assign
   // into the map.
   content::SessionStorageNamespaceMap session_storage_namespace_map;
-  session_storage_namespace_map[""] = session_storage_namespace;
+  session_storage_namespace_map[std::string()] = session_storage_namespace;
   WebContents::CreateParams create_params(
       browser->profile(),
       tab_util::GetSiteInstanceForNewTab(browser->profile(), restore_url));
   WebContents* base_web_contents =
       browser->tab_strip_model()->GetActiveWebContents();
   if (base_web_contents) {
     create_params.initial_size =
         base_web_contents->GetView()->GetContainerSize();
   }
   WebContents* web_contents = content::WebContents::CreateWithSessionStorage(
@@ skipping 86 matching lines @@
   TabStripModel* tab_strip = browser->tab_strip_model();
   int insertion_index = tab_strip->active_index();
   tab_strip->InsertWebContentsAt(insertion_index + 1,
                                  web_contents,
                                  TabStripModel::ADD_ACTIVE |
                                  TabStripModel::ADD_INHERIT_GROUP);
   tab_strip->CloseWebContentsAt(insertion_index, TabStripModel::CLOSE_NONE);
 }
 
 }  // namespace chrome