Add GetMessageHandlers to HtmlDialogUIDelegate to allow...

chrome/browser/dom_ui/history_ui.cc

 // Copyright (c) 2006-2008 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/history_ui.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/message_loop.h"
 #include "base/string_piece.h"
@@ skipping 78 matching lines @@
   std::copy(full_html.begin(), full_html.end(), html_bytes->data.begin());
 
   SendResponse(request_id, html_bytes);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 //
 // HistoryHandler
 //
 ////////////////////////////////////////////////////////////////////////////////
-BrowsingHistoryHandler::BrowsingHistoryHandler(DOMUI* dom_ui)
-    : DOMMessageHandler(dom_ui),
-      search_text_(),
+BrowsingHistoryHandler::BrowsingHistoryHandler()
+    : search_text_(),
       remover_(NULL) {
-  dom_ui_->RegisterMessageCallback("getHistory",
-      NewCallback(this, &BrowsingHistoryHandler::HandleGetHistory));
-  dom_ui_->RegisterMessageCallback("searchHistory",
-      NewCallback(this, &BrowsingHistoryHandler::HandleSearchHistory));
-  dom_ui_->RegisterMessageCallback("deleteDay",
-      NewCallback(this, &BrowsingHistoryHandler::HandleDeleteDay));
-
   // Create our favicon data source.
   g_browser_process->io_thread()->message_loop()->PostTask(FROM_HERE,
       NewRunnableMethod(&chrome_url_data_manager,
                         &ChromeURLDataManager::AddDataSource,
                         new DOMUIFavIconSource(dom_ui_->GetProfile())));
 
   // Get notifications when history is cleared.
   registrar_.Add(this, NotificationType::HISTORY_URLS_DELETED,
                  Source<Profile>(dom_ui_->GetProfile()->GetOriginalProfile()));
 }
 
 BrowsingHistoryHandler::~BrowsingHistoryHandler() {
   cancelable_consumer_.CancelAllRequests();
   if (remover_.get())
     remover_->RemoveObserver(this);
 }
 
+void BrowsingHistoryHandler::RegisterMessages() {
+  dom_ui_->RegisterMessageCallback("getHistory",
+      NewCallback(this, &BrowsingHistoryHandler::HandleGetHistory));
+  dom_ui_->RegisterMessageCallback("searchHistory",
+      NewCallback(this, &BrowsingHistoryHandler::HandleSearchHistory));
+  dom_ui_->RegisterMessageCallback("deleteDay",
+      NewCallback(this, &BrowsingHistoryHandler::HandleDeleteDay));
+}
+
 void BrowsingHistoryHandler::HandleGetHistory(const Value* value) {
   // Anything in-flight is invalid.
   cancelable_consumer_.CancelAllRequests();
 
   // Get arguments (if any).
   int day = 0;
   ExtractIntegerValue(value, &day);
 
   // Set our query options.
   history::QueryOptions options;
@@ skipping 212 matching lines @@
   dom_ui_->CallJavascriptFunction(L"historyDeleted");
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 //
 // HistoryUIContents
 //
 ////////////////////////////////////////////////////////////////////////////////
 
 HistoryUI::HistoryUI(TabContents* contents) : DOMUI(contents) {
-  AddMessageHandler(new BrowsingHistoryHandler(this));
+  AddMessageHandler((new BrowsingHistoryHandler())->Attach(this));
 
   HistoryUIHTMLSource* html_source = new HistoryUIHTMLSource();
 
   // Set up the chrome://history/ source.
   g_browser_process->io_thread()->message_loop()->PostTask(FROM_HERE,
       NewRunnableMethod(&chrome_url_data_manager,
           &ChromeURLDataManager::AddDataSource,
           html_source));
 }
 
 // static
 const GURL HistoryUI::GetHistoryURLWithSearchText(const std::wstring& text) {
   return GURL(std::string(chrome::kChromeUIHistoryURL) + "#q=" +
               EscapeQueryParamValue(WideToUTF8(text)));
 }