Use constexpr TaskTraits constructor in chrome.

chrome/browser/chromeos/arc/voice_interaction/arc_voice_interaction_framework_service.cc

Index: chrome/browser/chromeos/arc/voice_interaction/arc_voice_interaction_framework_service.cc
diff --git a/chrome/browser/chromeos/arc/voice_interaction/arc_voice_interaction_framework_service.cc b/chrome/browser/chromeos/arc/voice_interaction/arc_voice_interaction_framework_service.cc
index f538d66278c6e8ff2ad04d90c396a2b575a58a0c..68f08f2e01af458df3c9af9238c318751b696f50 100644
--- a/chrome/browser/chromeos/arc/voice_interaction/arc_voice_interaction_framework_service.cc
+++ b/chrome/browser/chromeos/arc/voice_interaction/arc_voice_interaction_framework_service.cc
@@ -125,8 +125,7 @@ void ArcVoiceInteractionFrameworkService::CaptureFocusedWindow(
   ui::GrabWindowSnapshotAsyncJPEG(
       window, gfx::Rect(window->bounds().size()),
       base::CreateTaskRunnerWithTraits(
-          base::TaskTraits().MayBlock().WithPriority(
-              base::TaskPriority::USER_BLOCKING)),
+          {base::MayBlock(), base::TaskPriority::USER_BLOCKING}),
       base::Bind(&ScreenshotCallback, callback));
 }
 
@@ -140,8 +139,7 @@ void ArcVoiceInteractionFrameworkService::CaptureFullscreen(
   ui::GrabWindowSnapshotAsyncJPEG(
       window, gfx::Rect(window->bounds().size()),
       base::CreateTaskRunnerWithTraits(
-          base::TaskTraits().MayBlock().WithPriority(
-              base::TaskPriority::USER_BLOCKING)),
+          {base::MayBlock(), base::TaskPriority::USER_BLOCKING}),
       base::Bind(&ScreenshotCallback, callback));
 }