Add GetMessageHandlers to HtmlDialogUIDelegate to allow...

chrome/browser/dom_ui/shown_sections_handler.cc

 // Copyright (c) 2009 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/dom_ui/shown_sections_handler.h"
 
 #include "base/string_util.h"
 #include "base/values.h"
 #include "chrome/browser/profile.h"
 #include "chrome/common/pref_names.h"
 
-ShownSectionsHandler::ShownSectionsHandler(DOMUI* dom_ui)
-    : DOMMessageHandler(dom_ui),
-      dom_ui_(dom_ui) {
-  dom_ui->RegisterMessageCallback("getShownSections",
+void ShownSectionsHandler::RegisterMessages() {
+  dom_ui_->RegisterMessageCallback("getShownSections",
       NewCallback(this, &ShownSectionsHandler::HandleGetShownSections));
-  dom_ui->RegisterMessageCallback("setShownSections",
+  dom_ui_->RegisterMessageCallback("setShownSections",
       NewCallback(this, &ShownSectionsHandler::HandleSetShownSections));
 }
 
 void ShownSectionsHandler::HandleGetShownSections(const Value* value) {
   const int mode = dom_ui_->GetProfile()->GetPrefs()->
       GetInteger(prefs::kNTPShownSections);
   FundamentalValue* mode_value = new FundamentalValue(mode);
   dom_ui_->CallJavascriptFunction(L"onShownSections", *mode_value);
 }
 
@@ skipping 17 matching lines @@
   dom_ui_->GetProfile()->GetPrefs()->SetInteger(
       prefs::kNTPShownSections, StringToInt(mode_string));
 }
 
 // static
 void ShownSectionsHandler::RegisterUserPrefs(PrefService* prefs) {
   prefs->RegisterIntegerPref(prefs::kNTPShownSections,
       THUMB | RECENT | TIPS);
 }