Remove all remaining traces of MessageLoopProxy.

chrome/browser/ui/webui/options/password_manager_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/options/password_manager_handler.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 328 matching lines @@
       reinterpret_cast<void*>(IMPORT_FILE_SELECTED));
 #endif
 }
 
 void PasswordManagerHandler::ImportPasswordFileSelected(
     const base::FilePath& path) {
   scoped_refptr<ImportPasswordResultConsumer> form_consumer(
       new ImportPasswordResultConsumer(GetProfile()));
 
   password_manager::PasswordImporter::Import(
-      path, content::BrowserThread::GetMessageLoopProxyForThread(
+      path, content::BrowserThread::GetTaskRunnerForThread(
                 content::BrowserThread::FILE)
                 .get(),
       base::Bind(&ImportPasswordResultConsumer::ConsumePassword,
                  form_consumer));
 }
 
 PasswordManagerHandler::ImportPasswordResultConsumer::
     ImportPasswordResultConsumer(Profile* profile)
     : profile_(profile) {}
 
@@ skipping 42 matching lines @@
 #endif
 }
 
 void PasswordManagerHandler::ExportPasswordFileSelected(
     const base::FilePath& path) {
   std::vector<std::unique_ptr<autofill::PasswordForm>> password_list =
       password_manager_presenter_->GetAllPasswords();
   UMA_HISTOGRAM_COUNTS("PasswordManager.ExportedPasswordsPerUserInCSV",
                        password_list.size());
   password_manager::PasswordExporter::Export(
-      path, password_list, content::BrowserThread::GetMessageLoopProxyForThread(
+      path, password_list, content::BrowserThread::GetTaskRunnerForThread(
                                content::BrowserThread::FILE)
                                .get());
 }
 
 }  // namespace options