Convert MdSettingsUI to use the new navigation callbacks.

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>
 
@@ skipping 20 matching lines @@
 #include "chrome/browser/ui/webui/settings/settings_clear_browsing_data_handler.h"
 #include "chrome/browser/ui/webui/settings/settings_cookies_view_handler.h"
 #include "chrome/browser/ui/webui/settings/settings_import_data_handler.h"
 #include "chrome/browser/ui/webui/settings/settings_media_devices_selection_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 "chrome/grit/settings_resources.h"
 #include "chrome/grit/settings_resources_map.h"
+#include "content/public/browser/navigation_handle.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/browser/web_ui_data_source.h"
 
 #if defined(OS_CHROMEOS)
 #include "ash/common/system/chromeos/palette/palette_utils.h"
 #include "ash/common/system/chromeos/power/power_status.h"
 #include "chrome/browser/chromeos/arc/arc_session_manager.h"
 #include "chrome/browser/chromeos/login/quick_unlock/quick_unlock_utils.h"
 #include "chrome/browser/ui/ash/ash_util.h"
@@ skipping 144 matching lines @@
 MdSettingsUI::~MdSettingsUI() {
 }
 
 void MdSettingsUI::AddSettingsPageUIHandler(
     std::unique_ptr<SettingsPageUIHandler> handler) {
   DCHECK(handler);
   handlers_.insert(handler.get());
   web_ui()->AddMessageHandler(std::move(handler));
 }
 
-void MdSettingsUI::DidStartProvisionalLoadForFrame(
-    content::RenderFrameHost* render_frame_host,
-    const GURL& validated_url,
-    bool is_error_page) {
+void MdSettingsUI::DidStartNavigation(
+    content::NavigationHandle* navigation_handle) {
+  if (navigation_handle->IsSamePage())
+    return;
+
   load_start_time_ = base::Time::Now();
 }
 
 void MdSettingsUI::DocumentLoadedInFrame(
     content::RenderFrameHost* render_frame_host) {
   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