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

chrome/browser/ui/webui/chromeos/login/network_screen_handler.cc

 // Copyright (c) 2011 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/webui/chromeos/login/network_screen_handler.h"
 
+#include "base/bind.h"
+#include "base/bind_helpers.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "content/browser/webui/web_ui.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/input_method/input_method_manager.h"
 #include "chrome/browser/chromeos/input_method/input_method_util.h"
 #include "chrome/browser/chromeos/login/language_switch_menu.h"
 #include "chrome/browser/chromeos/status/input_method_menu.h"
@@ skipping 114 matching lines @@
   if (show_on_init_) {
     show_on_init_ = false;
     Show();
   }
 }
 
 // NetworkScreenHandler, WebUIMessageHandler implementation: -------------------
 
 void NetworkScreenHandler::RegisterMessages() {
   web_ui_->RegisterMessageCallback(kJsApiNetworkOnExit,
-      NewCallback(this, &NetworkScreenHandler::HandleOnExit));
+      base::Bind(&NetworkScreenHandler::HandleOnExit,base::Unretained(this)));
   web_ui_->RegisterMessageCallback(kJsApiNetworkOnLanguageChanged,
-      NewCallback(this, &NetworkScreenHandler::HandleOnLanguageChanged));
+      base::Bind(&NetworkScreenHandler::HandleOnLanguageChanged,
+                 base::Unretained(this)));
   web_ui_->RegisterMessageCallback(kJsApiNetworkOnInputMethodChanged,
-      NewCallback(this, &NetworkScreenHandler::HandleOnInputMethodChanged));
+      base::Bind(&NetworkScreenHandler::HandleOnInputMethodChanged,
+                 base::Unretained(this)));
 }
 
 // NetworkScreenHandler, private: ----------------------------------------------
 
 void NetworkScreenHandler::HandleOnExit(const ListValue* args) {
   ClearErrors();
   screen_->OnContinuePressed();
 }
 
 void NetworkScreenHandler::HandleOnLanguageChanged(const ListValue* args) {
@@ skipping 65 matching lines @@
     input_method->SetString(
         "title", InputMethodMenu::GetTextForMenu(input_methods->at(i)));
     input_method->SetBoolean("selected",
         input_methods->at(i).id() == current_input_method_id);
     input_methods_list->Append(input_method);
   }
   return input_methods_list;
 }
 
 }  // namespace chromeos