Use constexpr TaskTraits constructor in chrome.

chrome/browser/ui/views/tabs/browser_tab_strip_controller.cc

Index: chrome/browser/ui/views/tabs/browser_tab_strip_controller.cc
diff --git a/chrome/browser/ui/views/tabs/browser_tab_strip_controller.cc b/chrome/browser/ui/views/tabs/browser_tab_strip_controller.cc
index efc5b8bc6fc28dee6a3848c05e2181e5eded6091..ea5764be19f46b0f1e445a9bff773055232fe5f9 100644
--- a/chrome/browser/ui/views/tabs/browser_tab_strip_controller.cc
+++ b/chrome/browser/ui/views/tabs/browser_tab_strip_controller.cc
@@ -414,8 +414,7 @@ void BrowserTabStripController::OnStoppedDraggingTabs() {
 
 void BrowserTabStripController::CheckFileSupported(const GURL& url) {
   base::PostTaskWithTraitsAndReplyWithResult(
-      FROM_HERE, base::TaskTraits().MayBlock().WithPriority(
-                     base::TaskPriority::USER_VISIBLE),
+      FROM_HERE, {base::MayBlock(), base::TaskPriority::USER_VISIBLE},
       base::Bind(&FindURLMimeType, url),
       base::Bind(&BrowserTabStripController::OnFindURLMimeTypeCompleted,
                  weak_ptr_factory_.GetWeakPtr(), url));