Reset browser.check_default_browser to true when Chrome is the user's default browser

chrome/browser/ui/webui/options/browser_options_handler.cc

 // Copyright (c) 2012 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/options/browser_options_handler.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 1131 matching lines @@
     return IDS_OPTIONS_DEFAULTBROWSER_NOTDEFAULT;
   return IDS_OPTIONS_DEFAULTBROWSER_UNKNOWN;
 }
 
 void BrowserOptionsHandler::SetDefaultWebClientUIState(
     ShellIntegration::DefaultWebClientUIState state) {
   int status_string_id;
 
   if (state == ShellIntegration::STATE_IS_DEFAULT) {
     status_string_id = IDS_OPTIONS_DEFAULTBROWSER_DEFAULT;
+    // Notify the user in the future if Chrome ceases to be the user's chosen
+    // default browser.
+    PrefService* prefs = Profile::FromWebUI(web_ui())->GetPrefs();
+    prefs->SetBoolean(prefs::kCheckDefaultBrowser, true);
   } else if (state == ShellIntegration::STATE_NOT_DEFAULT) {
     if (ShellIntegration::CanSetAsDefaultBrowser() ==
             ShellIntegration::SET_DEFAULT_NOT_ALLOWED) {
       status_string_id = IDS_OPTIONS_DEFAULTBROWSER_SXS;
     } else {
       status_string_id = IDS_OPTIONS_DEFAULTBROWSER_NOTDEFAULT;
     }
   } else if (state == ShellIntegration::STATE_UNKNOWN) {
     status_string_id = IDS_OPTIONS_DEFAULTBROWSER_UNKNOWN;
   } else {
@@ skipping 1007 matching lines @@
 void BrowserOptionsHandler::OnPolicyUpdated(const policy::PolicyNamespace& ns,
                                             const policy::PolicyMap& previous,
                                             const policy::PolicyMap& current) {
   std::set<std::string> different_keys;
   current.GetDifferingKeys(previous, &different_keys);
   if (ContainsKey(different_keys, policy::key::kMetricsReportingEnabled))
     SetupMetricsReportingCheckbox();
 }
 
 }  // namespace options