Use constexpr TaskTraits constructor in chrome.

chrome/browser/ui/views/chrome_views_delegate_win.cc

Index: chrome/browser/ui/views/chrome_views_delegate_win.cc
diff --git a/chrome/browser/ui/views/chrome_views_delegate_win.cc b/chrome/browser/ui/views/chrome_views_delegate_win.cc
index 3f87f6f706caaf62548e6b9f867d25fd0eb8bc20..3202ad5d9ac8a785f361e43a87f0842e8efcb1b9 100644
--- a/chrome/browser/ui/views/chrome_views_delegate_win.cc
+++ b/chrome/browser/ui/views/chrome_views_delegate_win.cc
@@ -167,9 +167,7 @@ int ChromeViewsDelegate::GetAppbarAutohideEdges(HMONITOR monitor,
     // TODO(robliao): Annotate this task with .WithCOM() once supported.
     // https://crbug.com/662122
     base::PostTaskWithTraitsAndReplyWithResult(
-        FROM_HERE,
-        base::TaskTraits().MayBlock().WithPriority(
-            base::TaskPriority::USER_BLOCKING),
+        FROM_HERE, {base::MayBlock(), base::TaskPriority::USER_BLOCKING},
         base::Bind(&GetAppbarAutohideEdgesOnWorkerThread, monitor),
         base::Bind(&ChromeViewsDelegate::OnGotAppbarAutohideEdges,
                    weak_factory_.GetWeakPtr(), callback, monitor,