[web-ui] Migrate RegisterMessageCallback usage to base::bind().

chrome/browser/ui/webui/workers_ui.cc

Index: chrome/browser/ui/webui/workers_ui.cc
===================================================================
--- chrome/browser/ui/webui/workers_ui.cc	(revision 103795)
+++ chrome/browser/ui/webui/workers_ui.cc	(working copy)
@@ -4,6 +4,8 @@
 
 #include "chrome/browser/ui/webui/workers_ui.h"
 
+#include "base/bind.h"
+#include "base/bind_helpers.h"
 #include "base/json/json_writer.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/string_number_conversions.h"
@@ -107,7 +109,8 @@
 
 void WorkersDOMHandler::RegisterMessages() {
   web_ui_->RegisterMessageCallback(kOpenDevToolsCommand,
-      NewCallback(this, &WorkersDOMHandler::HandleOpenDevTools));
+      base::Bind(&WorkersDOMHandler::HandleOpenDevTools,
+                 base::Unretained(this)));
 }
 
 void WorkersDOMHandler::HandleOpenDevTools(const ListValue* args) {