Omit DefaultBrowserHandler from CrOS.

chrome/browser/ui/webui/settings/md_settings_ui.cc

 // Copyright 2015 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/settings/md_settings_ui.h"
 
 #include <stddef.h>
 
 #include <string>
 
 #include "base/metrics/histogram_macros.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/settings/appearance_handler.h"
 #include "chrome/browser/ui/webui/settings/downloads_handler.h"
 #include "chrome/browser/ui/webui/settings/font_handler.h"
 #include "chrome/browser/ui/webui/settings/languages_handler.h"
 #include "chrome/browser/ui/webui/settings/md_settings_localized_strings_provider.h"
 #include "chrome/browser/ui/webui/settings/people_handler.h"
 #include "chrome/browser/ui/webui/settings/reset_settings_handler.h"
 #include "chrome/browser/ui/webui/settings/search_engines_handler.h"
 #include "chrome/browser/ui/webui/settings/settings_clear_browsing_data_handler.h"
-#include "chrome/browser/ui/webui/settings/settings_default_browser_handler.h"
 #include "chrome/browser/ui/webui/settings/settings_startup_pages_handler.h"
 #include "chrome/browser/ui/webui/settings/site_settings_handler.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/browser/web_ui_data_source.h"
 #include "grit/settings_resources.h"
 #include "grit/settings_resources_map.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/ui/webui/settings/chromeos/change_picture_handler.h"
 #else  // !defined(OS_CHROMEOS)
+#include "chrome/browser/ui/webui/settings/settings_default_browser_handler.h"
 #include "chrome/browser/ui/webui/settings/settings_manage_profile_handler.h"
 #endif  // defined(OS_CHROMEOS)
 
 namespace settings {
 
 SettingsPageUIHandler::SettingsPageUIHandler() {
 }
 
 SettingsPageUIHandler::~SettingsPageUIHandler() {
 }
 
 void SettingsPageUIHandler::CallJavascriptCallback(
     const base::Value& callback_id, const base::Value& response) {
   // cr.webUIResponse is a global JS function exposed from cr.js.
   web_ui()->CallJavascriptFunction("cr.webUIResponse", callback_id, response);
 }
 
 MdSettingsUI::MdSettingsUI(content::WebUI* web_ui)
     : content::WebUIController(web_ui),
       WebContentsObserver(web_ui->GetWebContents()) {
   Profile* profile = Profile::FromWebUI(web_ui);
   AddSettingsPageUIHandler(new AppearanceHandler(web_ui));
   AddSettingsPageUIHandler(new ClearBrowsingDataHandler(web_ui));
-  AddSettingsPageUIHandler(new DefaultBrowserHandler(web_ui));
   AddSettingsPageUIHandler(new DownloadsHandler());
   AddSettingsPageUIHandler(new FontHandler(web_ui));
   AddSettingsPageUIHandler(new LanguagesHandler(web_ui));
   AddSettingsPageUIHandler(new PeopleHandler(profile));
   AddSettingsPageUIHandler(new SearchEnginesHandler(profile));
   AddSettingsPageUIHandler(new SiteSettingsHandler(profile));
   AddSettingsPageUIHandler(new StartupPagesHandler(web_ui));
 
 #if defined(OS_CHROMEOS)
   AddSettingsPageUIHandler(new chromeos::settings::ChangePictureHandler());
 #else
+  AddSettingsPageUIHandler(new DefaultBrowserHandler(web_ui));
   AddSettingsPageUIHandler(new ManageProfileHandler(profile));
 #endif
 
   content::WebUIDataSource* html_source =
       content::WebUIDataSource::Create(chrome::kChromeUIMdSettingsHost);
 
   AddSettingsPageUIHandler(ResetSettingsHandler::Create(html_source, profile));
 
   // Add all settings resources.
   for (size_t i = 0; i < kSettingsResourcesSize; ++i) {
@@ skipping 32 matching lines @@
   UMA_HISTOGRAM_TIMES("Settings.LoadDocumentTime.MD",
                       base::Time::Now() - load_start_time_);
 }
 
 void MdSettingsUI::DocumentOnLoadCompletedInMainFrame() {
   UMA_HISTOGRAM_TIMES("Settings.LoadCompletedTime.MD",
                       base::Time::Now() - load_start_time_);
 }
 
 }  // namespace settings