Use constexpr TaskTraits constructor in chrome.

chrome/browser/component_updater/chrome_component_updater_configurator.cc

Index: chrome/browser/component_updater/chrome_component_updater_configurator.cc
diff --git a/chrome/browser/component_updater/chrome_component_updater_configurator.cc b/chrome/browser/component_updater/chrome_component_updater_configurator.cc
index a13be61df0d48601366636a5eef6590fbf887a46..5acfc4ded9ab9b609eae39e4ad4467a31250b1d3 100644
--- a/chrome/browser/component_updater/chrome_component_updater_configurator.cc
+++ b/chrome/browser/component_updater/chrome_component_updater_configurator.cc
@@ -185,11 +185,8 @@ bool ChromeConfigurator::EnabledCupSigning() const {
 scoped_refptr<base::SequencedTaskRunner>
 ChromeConfigurator::GetSequencedTaskRunner() const {
   return base::CreateSequencedTaskRunnerWithTraits(
-      base::TaskTraits()
-          .MayBlock()
-          .WithPriority(base::TaskPriority::BACKGROUND)
-          .WithShutdownBehavior(
-              base::TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN));
+      {base::MayBlock(), base::TaskPriority::BACKGROUND,
+       base::TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN});
 }
 
 PrefService* ChromeConfigurator::GetPrefService() const {