MD Settings: break SettingsPageUIHandler to its own file

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_page_ui_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"
 #include "chrome/browser/ui/webui/settings/chromeos/device_keyboard_handler.h"
 #include "chrome/browser/ui/webui/settings/chromeos/easy_unlock_settings_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)
 
 #if defined(USE_NSS_CERTS)
 #include "chrome/browser/ui/webui/settings/certificates_handler.h"
 #endif  // defined(USE_NSS_CERTS)
 
 namespace settings {
 
-SettingsPageUIHandler::SettingsPageUIHandler() {
-}
-
-SettingsPageUIHandler::~SettingsPageUIHandler() {
-}
-
-void SettingsPageUIHandler::ResolveJavascriptCallback(
-    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,
-      base::FundamentalValue(true), response);
-}
-
-void SettingsPageUIHandler::RejectJavascriptCallback(
-    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,
-      base::FundamentalValue(false), 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));
 
 #if defined(USE_NSS_CERTS)
   AddSettingsPageUIHandler(new CertificatesHandler(false));
 #endif  // defined(USE_NSS_CERTS)
 
@@ skipping 68 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