Use constexpr TaskTraits constructor in components.

components/web_restrictions/browser/web_restrictions_client.cc

Index: components/web_restrictions/browser/web_restrictions_client.cc
diff --git a/components/web_restrictions/browser/web_restrictions_client.cc b/components/web_restrictions/browser/web_restrictions_client.cc
index 6a815987341b01ae49ade23293340cfa58898534..08e229ada5d6aba50dc7177c531b9083497e1434 100644
--- a/components/web_restrictions/browser/web_restrictions_client.cc
+++ b/components/web_restrictions/browser/web_restrictions_client.cc
@@ -95,8 +95,7 @@ void WebRestrictionsClient::SetAuthorityTask(
       reinterpret_cast<jlong>(this)));
   supports_request_ = false;
   base::PostTaskWithTraitsAndReplyWithResult(
-      FROM_HERE, base::TaskTraits().MayBlock().WithPriority(
-                     base::TaskPriority::BACKGROUND),
+      FROM_HERE, {base::MayBlock(), base::TaskPriority::BACKGROUND},
       base::Bind(&CheckSupportsRequestTask, java_provider_),
       base::Bind(&WebRestrictionsClient::RequestSupportKnown,
                  base::Unretained(this), provider_authority_));