Use constexpr TaskTraits constructor in chrome.

chrome/browser/extensions/extension_disabled_ui_browsertest.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 <stddef.h>
 
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/ptr_util.h"
 #include "base/task_scheduler/post_task.h"
@@ skipping 216 matching lines @@
   UninstallExtension(extension_id);
   extension = NULL;
 
   // Install extension v1.
   InstallIncreasingPermissionExtensionV1();
 
   // Note: This interceptor gets requests on the IO thread.
   net::LocalHostTestURLRequestInterceptor interceptor(
       BrowserThread::GetTaskRunnerForThread(BrowserThread::IO),
       base::CreateTaskRunnerWithTraits(
-          base::TaskTraits()
-              .MayBlock()
-              .WithPriority(base::TaskPriority::BACKGROUND)
-              .WithShutdownBehavior(
-                  base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN)));
+          {base::MayBlock(), base::TaskPriority::BACKGROUND,
+           base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN}));
   interceptor.SetResponseIgnoreQuery(
       GURL("http://localhost/autoupdate/updates.xml"),
       test_data_dir_.AppendASCII("permissions_increase")
                     .AppendASCII("updates.xml"));
   interceptor.SetResponseIgnoreQuery(
       GURL("http://localhost/autoupdate/v2.crx"),
       scoped_temp_dir_.GetPath().AppendASCII("permissions2.crx"));
 
   sync_service->MergeDataAndStartSyncing(
       syncer::EXTENSIONS, syncer::SyncDataList(),
@@ skipping 19 matching lines @@
 }
 
 // Test that an error appears if an extension gets installed server side.
 IN_PROC_BROWSER_TEST_F(ExtensionDisabledGlobalErrorTest, RemoteInstall) {
   static const char extension_id[] = "pgdpcfcocojkjfbgpiianjngphoopgmo";
 
   // Note: This interceptor gets requests on the IO thread.
   net::LocalHostTestURLRequestInterceptor interceptor(
       BrowserThread::GetTaskRunnerForThread(BrowserThread::IO),
       base::CreateTaskRunnerWithTraits(
-          base::TaskTraits()
-              .MayBlock()
-              .WithPriority(base::TaskPriority::BACKGROUND)
-              .WithShutdownBehavior(
-                  base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN)));
+          {base::MayBlock(), base::TaskPriority::BACKGROUND,
+           base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN}));
   interceptor.SetResponseIgnoreQuery(
       GURL("http://localhost/autoupdate/updates.xml"),
       test_data_dir_.AppendASCII("permissions_increase")
           .AppendASCII("updates.xml"));
   interceptor.SetResponseIgnoreQuery(
       GURL("http://localhost/autoupdate/v2.crx"),
       scoped_temp_dir_.GetPath().AppendASCII("permissions2.crx"));
 
   sync_pb::EntitySpecifics specifics;
   specifics.mutable_extension()->set_id(extension_id);
@@ skipping 28 matching lines @@
 
   const Extension* extension = service_->GetExtensionById(extension_id, true);
   ASSERT_TRUE(extension);
   EXPECT_EQ("2", extension->VersionString());
   EXPECT_EQ(1u, registry_->disabled_extensions().size());
   EXPECT_EQ(Extension::DISABLE_REMOTE_INSTALL,
             ExtensionPrefs::Get(service_->profile())
                 ->GetDisableReasons(extension_id));
   EXPECT_TRUE(GetExtensionDisabledGlobalError());
 }