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

chrome/browser/extensions/event_router_forwarder.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/extensions/event_router_forwarder.h"
 
 #include "base/bind.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/event_router.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "googleurl/src/gurl.h"
 
 using content::BrowserThread;
 
 namespace extensions {
 
 EventRouterForwarder::EventRouterForwarder() {
 }
 
 EventRouterForwarder::~EventRouterForwarder() {
 }
 
 void EventRouterForwarder::BroadcastEventToRenderers(
     const std::string& event_name,
     scoped_ptr<base::ListValue> event_args,
     const GURL& event_url) {
-  HandleEvent("", event_name, event_args.Pass(), 0, true, event_url);
+  HandleEvent(std::string(), event_name, event_args.Pass(), 0, true, event_url);
 }
 
 void EventRouterForwarder::DispatchEventToRenderers(
     const std::string& event_name,
     scoped_ptr<base::ListValue> event_args,
     void* profile,
     bool use_profile_to_restrict_events,
     const GURL& event_url) {
   if (!profile)
     return;
-  HandleEvent("", event_name, event_args.Pass(), profile,
-              use_profile_to_restrict_events, event_url);
+  HandleEvent(std::string(),
+              event_name,
+              event_args.Pass(),
+              profile,
+              use_profile_to_restrict_events,
+              event_url);
 }
 
 void EventRouterForwarder::BroadcastEventToExtension(
     const std::string& extension_id,
     const std::string& event_name,
     scoped_ptr<base::ListValue> event_args,
     const GURL& event_url) {
   HandleEvent(extension_id, event_name, event_args.Pass(), 0, true, event_url);
 }
 
@@ skipping 66 matching lines @@
   event->event_url = event_url;
   if (extension_id.empty()) {
     ExtensionSystem::Get(profile)->event_router()->BroadcastEvent(event.Pass());
   } else {
     ExtensionSystem::Get(profile)->event_router()->
         DispatchEventToExtension(extension_id, event.Pass());
   }
 }
 
 }  // namespace extensions