Use constexpr TaskTraits constructor in chrome.

chrome/browser/chromeos/policy/remote_commands/device_commands_factory_chromeos.cc

Index: chrome/browser/chromeos/policy/remote_commands/device_commands_factory_chromeos.cc
diff --git a/chrome/browser/chromeos/policy/remote_commands/device_commands_factory_chromeos.cc b/chrome/browser/chromeos/policy/remote_commands/device_commands_factory_chromeos.cc
index 36465a3ecdcba2c0d6d67389a98e89187924530f..f98e67b2e295d6fc1502fb9a762c3ef76d4e0419 100644
--- a/chrome/browser/chromeos/policy/remote_commands/device_commands_factory_chromeos.cc
+++ b/chrome/browser/chromeos/policy/remote_commands/device_commands_factory_chromeos.cc
@@ -37,11 +37,8 @@ DeviceCommandsFactoryChromeOS::BuildJobForType(em::RemoteCommand_Type type) {
       return base::WrapUnique<RemoteCommandJob>(
           new DeviceCommandScreenshotJob(base::MakeUnique<ScreenshotDelegate>(
               base::CreateSequencedTaskRunnerWithTraits(
-                  base::TaskTraits()
-                      .MayBlock()
-                      .WithPriority(base::TaskPriority::BACKGROUND)
-                      .WithShutdownBehavior(
-                          base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN)))));
+                  {base::MayBlock(), base::TaskPriority::BACKGROUND,
+                   base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN}))));
     case em::RemoteCommand_Type_DEVICE_SET_VOLUME:
       return base::WrapUnique<RemoteCommandJob>(
           new DeviceCommandSetVolumeJob());