Use constexpr TaskTraits constructor in chrome.

chrome/browser/favicon/large_icon_service_factory.cc

Index: chrome/browser/favicon/large_icon_service_factory.cc
diff --git a/chrome/browser/favicon/large_icon_service_factory.cc b/chrome/browser/favicon/large_icon_service_factory.cc
index f5ce381084999233a426d9b69e1c486485b11ff5..b81c5c4ac949e3d0734726fa99bc566ea17686bd 100644
--- a/chrome/browser/favicon/large_icon_service_factory.cc
+++ b/chrome/browser/favicon/large_icon_service_factory.cc
@@ -52,11 +52,8 @@ KeyedService* LargeIconServiceFactory::BuildServiceInstanceFor(
   return new favicon::LargeIconService(
       favicon_service,
       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}),
       base::MakeUnique<image_fetcher::ImageFetcherImpl>(
           base::MakeUnique<suggestions::ImageDecoderImpl>(),
           profile->GetRequestContext()));