Move WebUIMessageHandler to its own file in the public directory and put it in the content namesp...

chrome/browser/ui/webui/sessions_ui.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/sessions_ui.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/glue/session_model_associator.h"
 #include "chrome/browser/sync/glue/synced_session.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
 #include "chrome/browser/ui/webui/chrome_web_ui_data_source.h"
 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
 #include "chrome/common/chrome_version_info.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/webui/web_ui.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_ui_message_handler.h"
 #include "grit/browser_resources.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "grit/theme_resources_standard.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
 using content::WebContents;
+using content::WebUIMessageHandler;
 
 namespace {
 
 ChromeWebUIDataSource* CreateSessionsUIHTMLSource() {
   ChromeWebUIDataSource* source =
       new ChromeWebUIDataSource(chrome::kChromeUISessionsHost);
 
   source->AddLocalizedString("sessionsTitle", IDS_SESSIONS_TITLE);
   source->AddLocalizedString("sessionsCountFormat",
                              IDS_SESSIONS_SESSION_COUNT_BANNER_FORMAT);
@@ skipping 220 matching lines @@
   Profile* profile = Profile::FromBrowserContext(contents->GetBrowserContext());
   profile->GetChromeURLDataManager()->AddDataSource(
       CreateSessionsUIHTMLSource());
 }
 
 // static
 RefCountedMemory* SessionsUI::GetFaviconResourceBytes() {
   return ResourceBundle::GetSharedInstance().
       LoadDataResourceBytes(IDR_HISTORY_FAVICON);
 }