MD Settings: Convert C++ handlers to be JavaScript-lifecycle aware.

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

 // Copyright 2013 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/reset_settings_handler.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 96 matching lines @@
                   base::Unretained(this)));
   web_ui()->RegisterMessageCallback(
       "requestFactoryResetRestart",
       base::Bind(&ResetSettingsHandler::HandleFactoryResetRestart,
                  base::Unretained(this)));
 #endif  // defined(OS_CHROMEOS)
 }
 
 void ResetSettingsHandler::HandleResetProfileSettings(
     const base::ListValue* args) {
+  AllowJavascript();
+
   CHECK_EQ(2U, args->GetSize());
   std::string callback_id;
   CHECK(args->GetString(0, &callback_id));
   bool send_settings = false;
   CHECK(args->GetBoolean(1, &send_settings));
 
   DCHECK(brandcode_.empty() || config_fetcher_);
   if (config_fetcher_ && config_fetcher_->IsActive()) {
     // Reset once the prefs are fetched.
     config_fetcher_->SetCallback(
@@ skipping 19 matching lines @@
           SerializeSettingsReportToProto(*setting_snapshot_, difference);
       if (report_proto)
         SendSettingsFeedbackProto(*report_proto, profile_);
     }
   }
   setting_snapshot_.reset();
 }
 
 void ResetSettingsHandler::HandleGetReportedSettings(
     const base::ListValue* args) {
+  AllowJavascript();
+
   CHECK_EQ(1U, args->GetSize());
   std::string callback_id;
   CHECK(args->GetString(0, &callback_id));
 
   setting_snapshot_->RequestShortcuts(base::Bind(
       &ResetSettingsHandler::OnGetReportedSettingsDone,
       weak_ptr_factory_.GetWeakPtr(),
       callback_id));
 }
 
@@ skipping 87 matching lines @@
   prefs->SetBoolean(prefs::kFactoryResetRequested, true);
   prefs->CommitPendingWrite();
 
   // Perform sign out. Current chrome process will then terminate, new one will
   // be launched (as if it was a restart).
   chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->RequestRestart();
 }
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace settings